octave: liboctave/util/oct-inttypes.h annotate

annotate liboctave/util/oct-inttypes.h @ 21244:1473547f50f5

include octave-config.h in public header files * mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk: Emit "#include octave-config.h" statement for generated header files. * build-env.h, builtins.h, Cell.h, base-text-renderer.h, c-file-ptr-stream.h, cdisplay.h, comment-list.h, data.h, debug.h, defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h, dynamic-ld.h, error.h, errwarn.h, event-queue.h, file-io.h, ft-text-renderer.h, gl-render.h, gl2ps-print.h, graphics.in.h, gripes.h, help.h, hook-fcn.h, input.h, jit-ir.h, jit-typeinfo.h, jit-util.h, load-path.h, load-save.h, ls-ascii-helper.h, ls-hdf5.h, ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h, ls-utils.h, mex.h, mexproto.h, mxarray.in.h, oct-errno.h, oct-fstrm.h, oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h, oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h, octave-default-image.h, octave-link.h, octave-preserve-stream-state.h, pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h, sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h, sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h, workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.h, ov-base-diag.h, ov-base-int.h, ov-base-mat.h, ov-base-scalar.h, ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h, ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h, ov-classdef.h, ov-colon.h, ov-complex.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h, ov-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h, ov-int8.h, ov-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h, ov-oncleanup.h, ov-perm.h, ov-range.h, ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h, ov-type-conv.h, ov-typeinfo.h, ov-uint16.h, ov-uint32.h, ov-uint64.h, ov-uint8.h, ov-usr-fcn.h, ov.h, ovl.h, octave.h, op-int.h, ops.h, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h, pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h, Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h, CRowVector.h, CSparse.h, DiagArray2.h, MArray.h, MDiagArray2.h, MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h, boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h, dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h, dSparse.h, dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h, fCNDArray.h, fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h, fNDArray.h, fRowVector.h, idx-vector.h, int16NDArray.h, int32NDArray.h, int64NDArray.h, int8NDArray.h, intNDArray.h, uint16NDArray.h, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h, f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h, CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h, CmplxSCHUR.h, CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, base-aepbal.h, base-dae.h, base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h, dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h, dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h, fCmplxAEPBAL.h, fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h, fCmplxLU.h, fCmplxQR.h, fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h, fEIG.h, floatAEPBAL.h, floatCHOL.h, floatGEPBAL.h, floatHESS.h, floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h, floatSVD.h, lo-mappers.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h, oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h, sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h, Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h, mx-op-defs.h, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h, mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h, oct-syscalls.h, oct-time.h, oct-uname.h, pathlen.h, sysdir.h, syswait.h, action-container.h, base-list.h, byte-swap.h, caseless-str.h, cmd-edit.h, cmd-hist.h, data-conv.h, functor.h, glob-match.h, lo-array-errwarn.h, lo-array-gripes.h, lo-cutils.h, lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h, lo-traits.h, lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h, oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h, pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h, statdefs.h, str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h: Include octave-config.h.

author	John W. Eaton <jwe@octave.org>
date	Wed, 10 Feb 2016 14:25:53 -0500
parents	f7121e111991
children	933083fee7ae

rev	line source
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1 /*
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18634 diff changeset	3 Copyright (C) 2004-2015 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10436 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	5
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	7
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	11 option) any later version.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	12
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	16 for more details.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	17
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6764 diff changeset	20 <http://www.gnu.org/licenses/>.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	21
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	22 */
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	23
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19861 diff changeset	24 #if ! defined (octave_oct_inttypes_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17769 diff changeset	25 #define octave_oct_inttypes_h 1
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	26
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	27 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	29 #include <cstdlib>
6482 7e958a1532c6 [project @ 2007-04-04 02:37:07 by jwe] jwe parents: 6402 diff changeset	30
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	31 #include <limits>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	32 #include <iosfwd>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	33
8731 5abe5ae55465 use lo-traits in oct-inttypes Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	34 #include "lo-traits.h"
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	35 #include "lo-math.h"
4969 52f808101130 [project @ 2004-09-08 02:44:04 by jwe] jwe parents: 4968 diff changeset	36 #include "lo-mappers.h"
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	37
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	38 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	39 inline long double xround (long double x) { return roundl (x); }
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	40 inline long double xisnan (long double x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	41 { return xisnan (static_cast<double> (x)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	42 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	43
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	44 // FIXME: we define this by our own because some compilers, such as
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	45 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	46 // the future, it should go away in favor of std::abs.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	47 template <typename T>
8293 ad5bb02d267a workaround missing std::abs(int64_t) in MSVC Jaroslav Hajek <highegg@gmail.com> parents: 8202 diff changeset	48 inline T octave_int_abs (T x) { return x >= 0 ? x : -x; }
ad5bb02d267a workaround missing std::abs(int64_t) in MSVC Jaroslav Hajek <highegg@gmail.com> parents: 8202 diff changeset	49
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	50 // Query for an integer type of certain sizeof, and signedness.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	51 template <int qsize, bool qsigned>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	52 struct query_integer_type
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	53 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	54 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	55 static const bool registered = false;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	56 typedef void type; // Void shall result in a compile-time error if we
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	57 // attempt to use it in computations.
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	58 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	59
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	60 #define REGISTER_INT_TYPE(TYPE) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	61 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	62 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	63 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	64 public: \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	65 static const bool registered = true; \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	66 typedef TYPE type; \
7598 a89b3fa632ee partial specialization for octave_int_fit_to_range John W. Eaton <jwe@octave.org> parents: 7596 diff changeset	67 }
7596 6929e40fc597 compatible handling of NaN -> int conversions John W. Eaton <jwe@octave.org> parents: 7534 diff changeset	68
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	69 // No two registered integers can share sizeof and signedness.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	70 REGISTER_INT_TYPE (int8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	71 REGISTER_INT_TYPE (uint8_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	72 REGISTER_INT_TYPE (int16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	73 REGISTER_INT_TYPE (uint16_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	74 REGISTER_INT_TYPE (int32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	75 REGISTER_INT_TYPE (uint32_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	76 REGISTER_INT_TYPE (int64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	77 REGISTER_INT_TYPE (uint64_t);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	78
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	79 // Rationale: Comparators have a single static method, rel(), that returns the
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	80 // result of the binary relation. They also have two static boolean fields:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	81 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	82 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	83 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	84 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	85 public: \
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	86 static const bool ltval = (0 OP 1); \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	87 static const bool gtval = (1 OP 0); \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	88 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	89 static bool op (T x, T y) { return x OP y; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	90 }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	91
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	92 // We also provide two special relations: ct, yielding always true, and cf,
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	93 // yielding always false.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	94 #define REGISTER_OCTAVE_CONST_OP(NM,value) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	95 class NM \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	96 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	97 public: \
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	98 static const bool ltval = value; \
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	99 static const bool gtval = value; \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	100 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	101 static bool op (T, T) { return value; } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	102 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	103
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	104 // Handles non-homogeneous integer comparisons. Avoids doing useless tests.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	105 class octave_int_cmp_op
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	106 {
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	107 // This determines a suitable promotion type for T1 when meeting T2 in a
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	108 // binary relation. If promotion to int or T2 is safe, it is used. Otherwise,
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	109 // the signedness of T1 is preserved and it is widened if T2 is wider.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	110 // Notice that if this is applied to both types, they must end up with equal
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	111 // size.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	112 template <typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	113 class prom
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	114 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	115 // Promote to int?
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	116 static const bool pint = (sizeof (T1) < sizeof (int)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	117 && sizeof (T2) < sizeof (int));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	118 static const bool t1sig = std::numeric_limits<T1>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	119 static const bool t2sig = std::numeric_limits<T2>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	120 static const bool psig =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	121 (pint \|\| (sizeof (T2) > sizeof (T1) && t2sig) \|\| t1sig);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	122 static const int psize =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	123 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	124 ? sizeof (T2) : sizeof (T1)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	125 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	126 typedef typename query_integer_type<psize, psig>::type type;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	127 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	128
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	129 // Implements comparisons between two types of equal size but
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	130 // possibly different signedness.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	131 template <typename xop, int size>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	132 class uiop
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	133 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	134 typedef typename query_integer_type<size, false>::type utype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	135 typedef typename query_integer_type<size, true>::type stype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	136 public:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	137 static bool op (utype x, utype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	138 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	139 static bool op (stype x, stype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	140 { return xop::op (x, y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	141 static bool op (stype x, utype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	142 { return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	143 static bool op (utype x, stype y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	144 { return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y)); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	145 };
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	146
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	147 public:
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	148 REGISTER_OCTAVE_CMP_OP (lt, <);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	149 REGISTER_OCTAVE_CMP_OP (le, <=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	150 REGISTER_OCTAVE_CMP_OP (gt, >);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	151 REGISTER_OCTAVE_CMP_OP (ge, >=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	152 REGISTER_OCTAVE_CMP_OP (eq, ==);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	153 REGISTER_OCTAVE_CMP_OP (ne, !=);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	154 REGISTER_OCTAVE_CONST_OP (ct, true);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	155 REGISTER_OCTAVE_CONST_OP (cf, false);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	156
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	157 // Universal comparison operation.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	158 template <typename xop, typename T1, typename T2>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	159 static bool
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	160 op (T1 x, T2 y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	161 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	162 typedef typename prom<T1, T2>::type PT1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	163 typedef typename prom<T2, T1>::type PT2;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	164 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	165 static_cast<PT2> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	166 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	167
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	168 public:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	169
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	170 // Mixed comparisons
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	171 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	172 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	173 mop (T x, double y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	174 { return xop::op (static_cast<double> (x), y); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	175
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	176 template <typename xop, typename T>
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	177 static bool
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	178 mop (double x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	179 { return xop::op (x, static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	180
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	181 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	182 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	183 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	184 external_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	185 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	186 external_mop (T, double)
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	187
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	188 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t);
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	189 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (uint64_t);
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	190 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	191
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	192 // Typecasting to doubles won't work properly for 64-bit integers --
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	193 // they lose precision.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	194 // If we have long doubles, use them...
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	195 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	196 # ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	197 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	198 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	199 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	200 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	201 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	202 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	203 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	204 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	205 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	206 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	207 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	208 return external_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	209 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	210 # else
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	211 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	212 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	213 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	214 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	215 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	216 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	217 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	218 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	219 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	220 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	221 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	222 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	223 return xop::op (static_cast<long double> (x), \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	224 static_cast<long double> (y)); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	225 }
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	226 # endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	227 #else
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	228 // ... otherwise, use external handlers
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	229
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	230 // FIXME: We could declare directly the mop methods as external,
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	231 // but we can't do this because bugs in gcc (<= 4.3) prevent
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	232 // explicit instantiations later in that case.
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	233 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	234 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	235 emulate_mop (double, T); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	236 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	237 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	238 mop (double x, T y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	239 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	240 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	241 } \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	242 template <typename xop> static OCTAVE_API bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	243 emulate_mop (T, double); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	244 template <typename xop> \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	245 static bool \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	246 mop (T x, double y) \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	247 { \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	248 return emulate_mop<xop> (x, y); \
f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	249 }
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	250 #endif
ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	251
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	252 DEFINE_LONG_DOUBLE_CMP_OP(int64_t)
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	253 DEFINE_LONG_DOUBLE_CMP_OP(uint64_t)
8856 ab4db66e286f workaround gcc 4.3 explicit instantiation bug in octave_int_cmp_op Jaroslav Hajek <highegg@gmail.com> parents: 8731 diff changeset	254
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	255 #undef DEFINE_LONG_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	256 };
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	257
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	258 // Base integer class. No data, just conversion methods and exception flags.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	259 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	260 class octave_int_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	261 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	262 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	263
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	264 static T min_val () { return std::numeric_limits<T>:: min (); }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	265 static T max_val () { return std::numeric_limits<T>:: max (); }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	266
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	267 // Convert integer value.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	268 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	269 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	270 truncate_int (const S& value)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	271 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	272 // An exhaustive test whether the max and/or min check can be omitted.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	273 static const bool t_is_signed = std::numeric_limits<T>::is_signed;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	274 static const bool s_is_signed = std::numeric_limits<S>::is_signed;
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	275 static const int t_size = sizeof (T);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	276 static const int s_size = sizeof (S);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	277
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	278 static const bool omit_chk_min =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	279 (! s_is_signed \|\| (t_is_signed && t_size >= s_size));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	280 static const bool omit_chk_max =
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	281 (t_size > s_size \|\| (t_size == s_size
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	282 && (! t_is_signed \|\| s_is_signed)));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	283 // If the check can be omitted, substitute constant false relation.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	284 typedef octave_int_cmp_op::cf cf;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	285 typedef octave_int_cmp_op::lt lt;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	286 typedef octave_int_cmp_op::gt gt;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	287 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	288 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max;
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	289
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	290 // Efficiency of the following depends on inlining and dead code
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	291 // elimination, but that should be a piece of cake for most compilers.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	292 if (chk_min::op (value, static_cast<S> (min_val ())))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	293 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	294 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	295 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	296 else if (chk_max::op (value, static_cast<S> (max_val ())))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	297 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	298 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	299 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	300 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	301 return static_cast<T> (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	302 }
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	303
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	304 private:
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	305
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	306 // Computes a real-valued threshold for a max/min check.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	307 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	308 static S
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	309 compute_threshold (S val, T orig_val)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	310 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	311 val = xround (val); // Fool optimizations (maybe redundant)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	312 // If val is even, but orig_val is odd, we're one unit off.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	313 if (orig_val % 2 && val / 2 == xround (val / 2))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	314 // FIXME: is this always correct?
19739 3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions. Rik <rik@octave.org> parents: 19697 diff changeset	315 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2));
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	316 return val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	317 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	318
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	319 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	320 // Convert a real number (check NaN and non-int).
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	321 template <typename S>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	322 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	323 convert_real (const S& value)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	324 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	325 // Compute proper thresholds.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	326 static const S thmin = compute_threshold (static_cast<S> (min_val ()),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	327 min_val ());
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	328 static const S thmax = compute_threshold (static_cast<S> (max_val ()),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	329 max_val ());
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	330 if (xisnan (value))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	331 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	332 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	333 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	334 else if (value < thmin)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	335 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	336 return min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	337 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	338 else if (value > thmax)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	339 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	340 return max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	341 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	342 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	343 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	344 S rvalue = xround (value);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	345 return static_cast<T> (rvalue);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	346 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	347 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	348 };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	349
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	350 // Saturated (homogeneous) integer arithmetics. The signed and unsigned
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	351 // implementations are significantly different, so we implement another layer
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	352 // and completely specialize. Arithmetics inherits from octave_int_base so that
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	353 // it can use its exceptions and truncation functions.
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	354
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	355 template <typename T, bool is_signed>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	356 class octave_int_arith_base
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	357 { };
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	358
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	359 // Unsigned arithmetics. C++ standard requires it to be modular, so the
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	360 // overflows can be handled efficiently and reliably.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	361 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	362 class octave_int_arith_base<T, false> : octave_int_base<T>
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	363 {
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	364 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	365
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	366 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	367 abs (T x) { return x; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	368
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	369 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	370 signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	371
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	372 // Shifts do not overflow.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	373 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	374 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	375
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	376 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	377 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	378
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	379 static T
10405 cc69a17ec801 remove integer math warnings Jaroslav Hajek <highegg@gmail.com> parents: 10346 diff changeset	380 minus (T)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	381 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	382 return static_cast<T> (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	383 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	384
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	385 // the overflow behaviour for unsigned integers is guaranteed by C/C++,
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	386 // so the following should always work.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	387 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	388 add (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	389 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	390 T u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	391 if (u < x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	392 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	393 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	394 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	395 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	396 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	397
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	398 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	399 sub (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	400 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	401 T u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	402 if (u > x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	403 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	404 u = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	405 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	406 return u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	407 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	408
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	409 // Multiplication is done using promotion to wider integer type. If there is
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	410 // no suitable promotion type, this operation MUST be specialized.
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	411 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	412
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	413 static T
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	414 mul_internal (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	415 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	416 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	417 typedef typename query_integer_type<2*sizeof (T), false>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	418 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	419 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	420 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	421
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	422 // Division with rounding to nearest. Note that / and % are probably
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	423 // computed by a single instruction.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	424 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	425 div (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	426 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	427 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	428 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	429 T z = x / y;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	430 T w = x % y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	431 if (w >= y-w) z += 1;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	432 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	433 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	434 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	435 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	436 return x ? octave_int_base<T>::max_val () : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	437 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	438 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	439
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	440 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	441 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	442 rem (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	443 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	444 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	445 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	446
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	447 // Modulus. Note the weird y = 0 case for Matlab compatibility.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	448 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	449 mod (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	450 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	451 return y != 0 ? x % y : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	452 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	453 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	454
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	455 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	456
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	457 // Handle 64-bit multiply using long double
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	458
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	459 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	460
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	461 extern OCTAVE_API uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	462 octave_external_uint64_uint64_mul (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	463
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	464 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	465
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	466 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	467 inline uint64_t
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	468 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t x, uint64_t y)
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	469 {
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	470 uint64_t retval;
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	471
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	472 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	473
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	474 if (p > static_cast<long double> (octave_int_base<uint64_t>::max_val ()))
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	475 retval = octave_int_base<uint64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	476 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	477 retval = static_cast<uint64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	478
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	479 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	480 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	481
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	482 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	483 inline uint64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	484 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	485 {
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	486 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	487 return octave_external_uint64_uint64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	488 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	489 return mul_internal (x, y);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	490 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	491 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	492
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	493 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	494
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	495 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	496 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	497 OCTAVE_API uint64_t
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	498 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t, uint64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	499
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	500 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	501
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	502 // Signed integer arithmetics.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	503 // Rationale: If HAVE_FAST_INT_OPS is defined, the following conditions
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	504 // should hold:
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	505 // 1. Signed numbers are represented by twos complement
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	506 // (see <http://en.wikipedia.org/wiki/Two%27s_complement>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	507 // 2. static_cast to unsigned int counterpart works like interpreting
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	508 // the signed bit pattern as unsigned (and is thus zero-cost).
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	509 // 3. Signed addition and subtraction yield the same bit results as unsigned.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	510 // (We use casts to prevent optimization interference, so there is no
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	511 // need for things like -ftrapv).
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	512 // 4. Bit operations on signed integers work like on unsigned integers,
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	513 // except for the shifts. Shifts are arithmetic.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	514 //
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	515 // The above conditions are satisfied by most modern platforms. If
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	516 // HAVE_FAST_INT_OPS is defined, bit tricks and wraparound arithmetics are used
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	517 // to avoid conditional jumps as much as possible, thus being friendly to
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	518 // modern pipeline processor architectures.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	519 // Otherwise, we fall back to a bullet-proof code that only uses assumptions
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	520 // guaranteed by the standard.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	521
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	522 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	523 class octave_int_arith_base<T, true> : octave_int_base<T>
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	524 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	525 // The corresponding unsigned type.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	526 typedef typename query_integer_type<sizeof (T), false>::type UT;
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	527 public:
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	528
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	529 // Returns 1 for negative number, 0 otherwise.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	530 static T
13734 28ddb3150943 Rename signbit to __signbit, until the problem is fixed in gnulib. Michael Goffioul <michael.goffioul@gmail.com> parents: 13012 diff changeset	531 __signbit (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	532 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	533 #ifdef HAVE_FAST_INT_OPS
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	534 return static_cast<UT> (x) >> std::numeric_limits<T>::digits;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	535 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	536 return (x < 0) ? 1 : 0;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	537 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	538 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	539
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	540 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	541 abs (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	542 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	543 #ifdef HAVE_FAST_INT_OPS
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	544 // This is close to how GCC does std::abs, but we can't just use std::abs,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	545 // because its behaviour for INT_MIN is undefined and the compiler could
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	546 // discard the following test.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	547 T m = x >> std::numeric_limits<T>::digits;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	548 T y = (x ^ m) - m;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	549 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	550 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	551 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	552 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	553 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	554 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	555 // -INT_MAX is safe because C++ actually allows only three implementations
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	556 // of integers: sign & magnitude, ones complement and twos complement.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	557 // The first test will, with modest optimizations, evaluate at compile
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	558 // time, and maybe eliminate the branch completely.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	559 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	560 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	561 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	562 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	563 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	564 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	565 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	566 y = (x < 0) ? -x : x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	567 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	568 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	569 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	570
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	571 static T
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	572 signum (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	573 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	574 // With modest optimizations, this will compile without a jump.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	575 return ((x > 0) ? 1 : 0) - __signbit (x);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	576 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	577
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	578 // FIXME: we do not have an authority what signed shifts should
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	579 // exactly do, so we define them the easy way. Note that Matlab does
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	580 // not define signed shifts.
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	581
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	582 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	583 rshift (T x, int n) { return x >> n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	584
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	585 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	586 lshift (T x, int n) { return x << n; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	587
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	588 // Minus has problems similar to abs.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	589 static T
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	590 minus (T x)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	591 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	592 #ifdef HAVE_FAST_INT_OPS
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	593 T y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	594 if (y == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	595 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	596 --y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	597 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	598 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	599 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	600 T y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	601 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val ()
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	602 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	603 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	604 y = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	605 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	606 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	607 y = -x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	608 return y;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	609 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	610 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	611
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	612 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	613 add (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	614 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	615 #ifdef HAVE_FAST_INT_OPS
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	616 // The typecasts do nothing, but they are here to prevent an optimizing
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	617 // compiler from interfering. Also, the signed operations on small types
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	618 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	619 T u = static_cast<UT> (x) + static_cast<UT> (y);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	620 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	621 T uy = u ^ y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	622 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	623 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	624 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	625 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	626 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	627 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	628 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	629 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	630 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	631 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	632 if (x < octave_int_base<T>::min_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	633 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	634 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	635 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	636 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	637 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	638 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	639 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	640 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	641 if (x > octave_int_base<T>::max_val () - y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	642 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	643 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	644 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	645 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	646 u = x + y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	647 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	648
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	649 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	650 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	651 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	652
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	653 // This is very similar to addition.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	654 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	655 sub (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	656 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	657 #ifdef HAVE_FAST_INT_OPS
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	658 // The typecasts do nothing, but they are here to prevent an optimizing
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	659 // compiler from interfering. Also, the signed operations on small types
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	660 // actually return int.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	661 T u = static_cast<UT> (x) - static_cast<UT> (y);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	662 T ux = u ^ x;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	663 T uy = u ^ ~y;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	664 if ((ux & uy) < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	665 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	666 u = octave_int_base<T>::max_val () + __signbit (~u);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	667 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	668 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	669 #else
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	670 // We shall carefully avoid anything that may overflow.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	671 T u;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	672 if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	673 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	674 if (x > octave_int_base<T>::max_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	675 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	676 u = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	677 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	678 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	679 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	680 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	681 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	682 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	683 if (x < octave_int_base<T>::min_val () + y)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	684 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	685 u = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	686 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	687 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	688 u = x - y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	689 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	690
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	691 return u;
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	692 #endif
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	693 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	694
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	695 // Multiplication is done using promotion to wider integer type. If there is
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	696 // no suitable promotion type, this operation MUST be specialized.
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	697 static T mul (T x, T y) { return mul_internal (x, y); }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	698
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	699 static T
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	700 mul_internal (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	701 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	702 // Promotion type for multiplication (if exists).
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	703 typedef typename query_integer_type<2*sizeof (T), true>::type mptype;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	704 return octave_int_base<T>::truncate_int (static_cast<mptype> (x)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	705 * static_cast<mptype> (y));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	706 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	707
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	708 // Division.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	709 static T
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	710 div (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	711 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	712 T z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	713 if (y == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	714 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	715 if (x < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	716 z = octave_int_base<T>::min_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	717 else if (x != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	718 z = octave_int_base<T>::max_val ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	719 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	720 z = 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	721 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	722 else if (y < 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	723 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	724 // This is a special case that overflows as well.
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	725 if (y == -1 && x == octave_int_base<T>::min_val ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	726 {
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	727 z = octave_int_base<T>::max_val ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	728 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	729 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	730 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	731 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	732 // Can't overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	733 T w = -octave_int_abs (x % y);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	734 if (w <= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	735 z -= 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	736 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	737 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	738 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	739 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	740 z = x / y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	741 // FIXME: this is a workaround due to MSVC's absence of
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	742 // std::abs (int64_t). The call to octave_int_abs can't
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	743 // overflow, but std::abs (x) can!
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	744 T w = octave_int_abs (x % y);
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	745
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	746 if (w >= y - w)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	747 z += 1 - (__signbit (x) << 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	748 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	749 return z;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	750 }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	751
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	752 // Remainder.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	753 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	754 rem (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	755 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	756 return y != 0 ? x % y : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	757 }
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	758
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	759 // Modulus. Note the weird y = 0 case for Matlab compatibility.
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	760 static T
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	761 mod (T x, T y)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	762 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	763 if (y != 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	764 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	765 T r = x % y;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	766 return ((r < 0) != (y < 0)) ? r + y : r;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	767 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	768 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	769 return x;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	770 }
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	771 };
6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	772
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	773 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	774
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	775 // Handle 64-bit multiply using long double
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	776
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	777 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	778
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	779 extern OCTAVE_API int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	780 octave_external_int64_int64_mul (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	781
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	782 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	783
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	784 template <>
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	785 inline int64_t
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	786 octave_int_arith_base<int64_t, true>::mul_internal (int64_t x, int64_t y)
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	787 {
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	788 int64_t retval;
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	789
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	790 long double p = static_cast<long double> (x) * static_cast<long double> (y);
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	791
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	792 // NOTE: We could maybe do it with a single branch if HAVE_FAST_INT_OPS,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	793 // but it would require one more runtime conversion, so the question is
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	794 // whether it would really be faster.
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	795 if (p > static_cast<long double> (octave_int_base<int64_t>::max_val ()))
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	796 retval = octave_int_base<int64_t>::max_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	797 else if (p < static_cast<long double> (octave_int_base<int64_t>::min_val ()))
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	798 retval = octave_int_base<int64_t>::min_val ();
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	799 else
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	800 retval = static_cast<int64_t> (p);
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	801
824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	802 return retval;
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	803 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	804
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	805 template <>
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	806 inline int64_t
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	807 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	808 {
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	809 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	810 return octave_external_int64_int64_mul (x, y);
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	811 #else
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	812 return mul_internal (x, y);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	813 #endif
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	814 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	815
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	816 #else
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	817
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	818 // Special handler for 64-bit integer multiply.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	819 template <>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	820 OCTAVE_API int64_t
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	821 octave_int_arith_base<int64_t, true>::mul_internal (int64_t, int64_t);
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	822
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	823 #endif
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	824
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	825 // This class simply selects the proper arithmetics.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	826 template <typename T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	827 class octave_int_arith
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	828 : public octave_int_arith_base<T, std::numeric_limits<T>::is_signed>
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	829 { };
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	830
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	831 template <typename T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	832 class
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	833 octave_int : public octave_int_base<T>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	834 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	835 public:
4943 1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	836 typedef T val_type;
1a499d0c58f5 [project @ 2004-08-31 00:51:31 by jwe] jwe parents: 4920 diff changeset	837
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	838 octave_int (void) : ival () { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	839
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	840 octave_int (T i) : ival (i) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	841
18627 37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	842 // Always treat characters as unsigned.
37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	843 octave_int (char c)
37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	844 : ival (octave_int_base<T>::truncate_int (static_cast<unsigned char> (c)))
37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	845 { }
37c300acfcfd don't truncate when casting char to uintN values (bug #42054) John W. Eaton <jwe@octave.org> parents: 18252 diff changeset	846
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	847 octave_int (double d) : ival (octave_int_base<T>::convert_real (d)) { }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	848
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	849 octave_int (float d) : ival (octave_int_base<T>::convert_real (d)) { }
6402 fe9817a6ee98 [project @ 2007-03-13 02:25:31 by jwe] jwe parents: 6108 diff changeset	850
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	851 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	852 octave_int (long double d) : ival (octave_int_base<T>::convert_real (d)) { }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	853 #endif
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	854
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	855 octave_int (bool b) : ival (b) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	856
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	857 template <typename U>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	858 octave_int (const U& i) : ival(octave_int_base<T>::truncate_int (i)) { }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	859
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	860 template <typename U>
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	861 octave_int (const octave_int<U>& i)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	862 : ival (octave_int_base<T>::truncate_int (i.value ())) { }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	863
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	864 octave_int (const octave_int<T>& i) : ival (i.ival) { }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	865
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	866 octave_int& operator = (const octave_int<T>& i)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	867 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	868 ival = i.ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	869 return *this;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	870 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	871
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	872 T value (void) const { return ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	873
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	874 const unsigned char * iptr (void) const
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	875 { return reinterpret_cast<const unsigned char *> (& ival); }
f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	876
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	877 bool operator ! (void) const { return ! ival; }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	878
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	879 bool bool_value (void) const { return static_cast<bool> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	880
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	881 char char_value (void) const { return static_cast<char> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	882
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	883 double double_value (void) const { return static_cast<double> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	884
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	885 float float_value (void) const { return static_cast<float> (value ()); }
4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	886
7177 57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	887 operator T (void) const { return value (); }
57d2546ad8d5 [project @ 2007-11-14 22:21:35 by jwe] jwe parents: 7017 diff changeset	888
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	889 // char and bool operators intentionally omitted.
5533 667ad2becb63 [project @ 2005-11-10 21:40:48 by jwe] jwe parents: 5420 diff changeset	890
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	891 operator double (void) const { return double_value (); }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	892
7198 4555c116b420 [project @ 2007-11-27 03:06:10 by jwe] jwe parents: 7177 diff changeset	893 operator float (void) const { return float_value (); }
5030 160365410ad4 [project @ 2004-09-24 03:22:23 by jwe] jwe parents: 5029 diff changeset	894
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	895 octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	896 operator + () const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	897 { return *this; }
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	898
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	899 // unary operators & mappers
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	900 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	901 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	902 OPNAME () const \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	903 { return octave_int_arith<T>::NAME (ival); }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	904
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	905 OCTAVE_INT_UN_OP(operator -, minus)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	906 OCTAVE_INT_UN_OP(abs, abs)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	907 OCTAVE_INT_UN_OP(signum, signum)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	908
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	909 #undef OCTAVE_INT_UN_OP
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	910
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	911 // Homogeneous binary integer operations.
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	912 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	913 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	914 operator OP (const ARGT& y) const \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	915 { return octave_int_arith<T>::NAME (ival, y); } \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	916 inline octave_int<T>& \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	917 operator OP##= (const ARGT& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	918 { \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	919 ival = octave_int_arith<T>::NAME (ival, y); \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	920 return *this; \
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	921 }
bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	922
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	923 OCTAVE_INT_BIN_OP(+, add, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	924 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	925 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	926 OCTAVE_INT_BIN_OP(/, div, octave_int<T>)
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	927 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>)
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	928 OCTAVE_INT_BIN_OP(<<, lshift, int)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	929 OCTAVE_INT_BIN_OP(>>, rshift, int)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	930
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	931 #undef OCTAVE_INT_BIN_OP
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7198 diff changeset	932
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	933 static octave_int<T> min (void) { return std::numeric_limits<T>::min (); }
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	934 static octave_int<T> max (void) { return std::numeric_limits<T>::max (); }
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	935
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	936 static int nbits (void) { return std::numeric_limits<T>::digits; }
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	937
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14168 diff changeset	938 static int byte_size (void) { return sizeof (T); }
4949 f6b63ff1119b [project @ 2004-08-31 19:17:44 by jwe] jwe parents: 4943 diff changeset	939
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	940 static const char *type_name ();
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	941
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	942 // The following are provided for convenience.
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	943 static const octave_int zero, one;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	944
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	945 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	946 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	947 void mex_get_data (void) const { return const_cast<T > (&ival); }
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5898 diff changeset	948
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	949 private:
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	950
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	951 T ival;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	952 };
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	953
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	954 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	955 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	956 rem (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	957 { return octave_int_arith<T>::rem (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	958
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	959 template <typename T>
10436 00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	960 inline octave_int<T>
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	961 mod (const octave_int<T>& x, const octave_int<T>& y)
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	962 { return octave_int_arith<T>::mod (x.value (), y.value ()); }
00219bdd2d17 implement built-in rem and mod Jaroslav Hajek <highegg@gmail.com> parents: 10405 diff changeset	963
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	964 // No mixed integer binary operations!
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	965
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	966 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	967 inline bool
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	968 xisnan (const octave_int<T>&)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	969 { return false; }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	970
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	971 // FIXME: can/should any of these be inline?
7997 2b8952e133c9 implement checked conversions between integers Jaroslav Hajek <highegg@gmail.com> parents: 7922 diff changeset	972
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	973 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	974 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	975 pow (const octave_int<T>&, const octave_int<T>&);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	976
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	977 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	978 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	979 pow (const double& a, const octave_int<T>& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	980
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	981 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	982 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	983 pow (const octave_int<T>& a, const double& b);
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	984
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	985 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	986 extern OCTAVE_API octave_int<T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	987 pow (const float& a, const octave_int<T>& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	988
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	989 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	990 extern OCTAVE_API octave_int<T>
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	991 pow (const octave_int<T>& a, const float& b);
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	992
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	993 // FIXME: Do we really need a differently named single-precision
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	994 // function integer power function here instead of an overloaded
15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	995 // one?
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	996 template <typename T>
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	997 extern OCTAVE_API octave_int<T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	998 powf (const float& a, const octave_int<T>& b);
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	999
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1000 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1001 extern OCTAVE_API octave_int<T>
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1002 powf (const octave_int<T>& a, const float& b);
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1003
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1004 // Binary relations
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1005
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1006 #define OCTAVE_INT_CMP_OP(OP, NAME) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1007 template <typename T1, typename T2> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1008 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1009 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1010 { return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1011 (x.value (), y.value ()); }
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1012
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1013 OCTAVE_INT_CMP_OP (<, lt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1014 OCTAVE_INT_CMP_OP (<=, le)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1015 OCTAVE_INT_CMP_OP (>, gt)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1016 OCTAVE_INT_CMP_OP (>=, ge)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1017 OCTAVE_INT_CMP_OP (==, eq)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1018 OCTAVE_INT_CMP_OP (!=, ne)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1019
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1020 #undef OCTAVE_INT_CMP_OP
4953 7a3a480e8645 [project @ 2004-09-01 21:10:28 by jwe] jwe parents: 4952 diff changeset	1021
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1022 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1023 inline std::ostream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1024 operator << (std::ostream& os, const octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1025 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1026 os << ival.value ();
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1027 return os;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1028 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1029
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1030 template <typename T>
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1031 inline std::istream&
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1032 operator >> (std::istream& is, octave_int<T>& ival)
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1033 {
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1034 T tmp = 0;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1035 is >> tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1036 ival = tmp;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1037 return is;
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1038 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1039
18252 284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1040 // We need to specialise for char and unsigned char because
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1041 // std::operator<< and std::operator>> are overloaded to input and
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1042 // output the ASCII character values instead of a representation of
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1043 // their numerical value (e.g. os << char(10) outputs a space instead
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1044 // of outputting the characters '1' and '0')
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1045
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1046 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1047 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1048 operator << (std::ostream& os, const octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1049 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1050 os << static_cast<int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1051 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1052 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1053
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1054 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1055 inline std::ostream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1056 operator << (std::ostream& os, const octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1057 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1058 os << static_cast<unsigned int> (ival.value ());
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1059 return os;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1060 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1061
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1062
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1063 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1064 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1065 operator >> (std::istream& is, octave_int<int8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1066 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1067 int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1068 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1069 ival = static_cast<int8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1070 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1071 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1072
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1073 template <>
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1074 inline std::istream&
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1075 operator >> (std::istream& is, octave_int<uint8_t>& ival)
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1076 {
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1077 unsigned int tmp = 0;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1078 is >> tmp;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1079 ival = static_cast<uint8_t> (tmp);
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1080 return is;
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1081 }
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1082
284e5c87f27b Fix saving int8 and uint8 in plain text format (bug #40980) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 18017 diff changeset	1083
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1084 // Bitwise operations
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7598 diff changeset	1085
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1086 #define OCTAVE_INT_BITCMP_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1087 template <typename T> \
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1088 octave_int<T> \
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1089 operator OP (const octave_int<T>& x, const octave_int<T>& y) \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1090 { return x.value () OP y.value (); }
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1091
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1092 OCTAVE_INT_BITCMP_OP (&)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1093 OCTAVE_INT_BITCMP_OP (\|)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1094 OCTAVE_INT_BITCMP_OP (^)
6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1095
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1096 #undef OCTAVE_INT_BITCMP_OP
4906 6754342ef7ad [project @ 2004-06-23 11:11:50 by jwe] jwe parents: 4902 diff changeset	1097
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1098 // General bit shift.
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1099 template <typename T>
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1100 octave_int<T>
4920 b22a7a1db0d5 [project @ 2004-07-27 18:15:25 by jwe] jwe parents: 4919 diff changeset	1101 bitshift (const octave_int<T>& a, int n,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1102 const octave_int<T>& mask = std::numeric_limits<T>::max ())
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1103 {
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1104 if (n > 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1105 return (a << n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1106 else if (n < 0)
4952 bfd57b466752 [project @ 2004-09-01 00:49:05 by jwe] jwe parents: 4949 diff changeset	1107 return (a >> -n) & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1108 else
8963 d1eab3ddb02d oct-inttypes.h (bitshift): apply mask even if not shifting John W. Eaton <jwe@octave.org> parents: 8950 diff changeset	1109 return a & mask;
4909 5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1110 }
5c9e36402f17 [project @ 2004-07-12 17:08:24 by jwe] jwe parents: 4906 diff changeset	1111
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1112 typedef octave_int<int8_t> octave_int8;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1113 typedef octave_int<int16_t> octave_int16;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1114 typedef octave_int<int32_t> octave_int32;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1115 typedef octave_int<int64_t> octave_int64;
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1116
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1117 typedef octave_int<uint8_t> octave_uint8;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1118 typedef octave_int<uint16_t> octave_uint16;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1119 typedef octave_int<uint32_t> octave_uint32;
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1120 typedef octave_int<uint64_t> octave_uint64;
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1121
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1122 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1123
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1124 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1125 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1126 external_double_ ## T ## _ ## OP (double x, T y); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1127 extern OCTAVE_API T \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1128 external_ ## T ## _double_ ## OP (T x, double y)
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1129
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1130 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1131 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1132 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1133 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \
0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1134 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, div)
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1135
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1136 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_int64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1137 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_uint64);
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1138
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1139 #endif
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1140
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1141 #define OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1142 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1143 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1144 operator OP (const octave_int<T>& x, const double& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1145 { return octave_int<T> (static_cast<double> (x) OP y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1146 template <typename T> \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1147 inline octave_int<T> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1148 operator OP (const double& x, const octave_int<T>& y) \
19861 19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions. Rik <rik@octave.org> parents: 19739 diff changeset	1149 { return octave_int<T> (x OP static_cast<double> (y)); }
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1150
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1151 #ifdef OCTAVE_INT_USE_LONG_DOUBLE
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1152 // Handle mixed op using long double
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1153 #ifdef OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1154 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1155 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1156 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1157 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1158 operator OP (const double& x, const octave_int64& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1159 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1160 return external_double_octave_int64_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1161 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1162 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1163 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1164 operator OP (const double& x, const octave_uint64& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1165 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1166 return external_double_octave_uint64_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1167 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1168 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1169 inline octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1170 operator OP (const octave_int64& x, const double& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1171 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1172 return external_octave_int64_double_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1173 } \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1174 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1175 inline octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1176 operator OP (const octave_uint64& x, const double& y) \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1177 { \
18017 0cd39f7f2409 additional improvements for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 18005 diff changeset	1178 return external_octave_uint64_double_ ## NAME (x, y); \
17980 824c05a6d3ec avoid errors for int64 ops implemented with long double (bug #40607) John W. Eaton <jwe@octave.org> parents: 17822 diff changeset	1179 }
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1180 #else
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21139 diff changeset	1181 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1182 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1183 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1184 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1185 operator OP (const double& x, const octave_int64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1186 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1187 return octave_int64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1188 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1189 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1190 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1191 operator OP (const double& x, const octave_uint64& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1192 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1193 return octave_uint64 (x OP static_cast<long double> (y.value ())); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1194 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1195 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1196 inline octave_int64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1197 operator OP (const octave_int64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1198 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1199 return octave_int64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1200 } \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1201 template <> \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1202 inline octave_uint64 \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1203 operator OP (const octave_uint64& x, const double& y) \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1204 { \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1205 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1206 }
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1207 #endif
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1208 #else
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1209 // external handlers
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1210 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1211 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1212 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1213 OCTAVE_API octave_int64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1214 operator OP (const double&, const octave_int64&); \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1215 template <> \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1216 OCTAVE_API octave_uint64 \
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1217 operator OP (const double&, const octave_uint64&); \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1218 template <> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1219 OCTAVE_API octave_int64 \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1220 operator OP (const octave_int64&, const double&); \
7521 6f10bbb2854a avoid some GCC warnings for unsigned comparisons John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	1221 template <> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1222 OCTAVE_API octave_uint64 \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1223 operator OP (const octave_uint64&, const double&);
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1224
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1225 #endif
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1226
17993 ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1227 OCTAVE_INT_DOUBLE_BIN_OP (+, add)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1228 OCTAVE_INT_DOUBLE_BIN_OP (-, sub)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1229 OCTAVE_INT_DOUBLE_BIN_OP (*, mul)
ac9fd5010620 avoid including gnulib header in installed Octave header file (bug #40607) John W. Eaton <jwe@octave.org> parents: 17980 diff changeset	1230 OCTAVE_INT_DOUBLE_BIN_OP (/, div)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1231
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1232 #undef OCTAVE_INT_DOUBLE_BIN_OP0
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1233 #undef OCTAVE_INT_DOUBLE_BIN_OP
18005 79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1234 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OP
79653c5b6147 make int64 ops implemented with long double work again (bug #40607) John W. Eaton <jwe@octave.org> parents: 17993 diff changeset	1235 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1236
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1237 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1238 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1239 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1240 operator OP (const octave_int<T>& x, const double& y) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1241 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1242 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1243 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1244 operator OP (const double& x, const octave_int<T>& y) \
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1245 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1246
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1247 OCTAVE_INT_DOUBLE_CMP_OP (<, lt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1248 OCTAVE_INT_DOUBLE_CMP_OP (<=, le)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1249 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1250 OCTAVE_INT_DOUBLE_CMP_OP (>, gt)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1251 OCTAVE_INT_DOUBLE_CMP_OP (==, eq)
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1252 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne)
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1253
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1254 #undef OCTAVE_INT_DOUBLE_CMP_OP
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1255
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1256 // Floats are handled by simply converting to doubles.
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1257
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1258 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1259 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1260 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1261 operator OP (const octave_int<T>& x, float y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1262 { return x OP static_cast<double> (y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1263 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1264 inline octave_int<T> \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1265 operator OP (float x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1266 { return static_cast<double> (x) OP y; }
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1267
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1268 OCTAVE_INT_FLOAT_BIN_OP (+)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1269 OCTAVE_INT_FLOAT_BIN_OP (-)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1270 OCTAVE_INT_FLOAT_BIN_OP (*)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1271 OCTAVE_INT_FLOAT_BIN_OP (/)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1272
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1273 #undef OCTAVE_INT_FLOAT_BIN_OP
5072 97b62f0c1bee [project @ 2004-11-09 05:51:30 by jwe] jwe parents: 5030 diff changeset	1274
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1275 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1276 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1277 inline bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1278 operator OP (const octave_int<T>& x, const float& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1279 { return x OP static_cast<double> (y); } \
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1280 template <typename T> \
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1281 bool \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1282 operator OP (const float& x, const octave_int<T>& y) \
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1283 { return static_cast<double> (x) OP y; }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1284
8169 66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1285 OCTAVE_INT_FLOAT_CMP_OP (<)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1286 OCTAVE_INT_FLOAT_CMP_OP (<=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1287 OCTAVE_INT_FLOAT_CMP_OP (>=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1288 OCTAVE_INT_FLOAT_CMP_OP (>)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1289 OCTAVE_INT_FLOAT_CMP_OP (==)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1290 OCTAVE_INT_FLOAT_CMP_OP (!=)
66bc6f9b4f72 rewrite integer arithmetics and conversions Jaroslav Hajek <highegg@gmail.com> parents: 8104 diff changeset	1291
8185 69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1292 #undef OCTAVE_INT_FLOAT_CMP_OP
69c5cce38c29 implement 64-bit arithmetics Jaroslav Hajek <highegg@gmail.com> parents: 8169 diff changeset	1293
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1294 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1295 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1296 xmax (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1297 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1298 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1299 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1300 return octave_int<T> (xv >= yv ? xv : yv);
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1301 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1302
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1303 template <typename T>
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1304 octave_int<T>
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1305 xmin (const octave_int<T>& x, const octave_int<T>& y)
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1306 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1307 const T xv = x.value ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18017 diff changeset	1308 const T yv = y.value ();
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1309 return octave_int<T> (xv <= yv ? xv : yv);
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1310 }
26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9648 diff changeset	1311
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: diff changeset	1312 #endif

Mercurial > octave

annotate liboctave/util/oct-inttypes.h @ 21244:1473547f50f5