Mercurial > octave
annotate liboctave/util/oct-inttypes.h @ 21724:aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
* configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc,
ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc,
GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc,
MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc,
ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc,
PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc,
ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc,
find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc,
octave-txt-lexer.cc, main-window.cc, octave-cmd.cc,
octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc,
workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc,
__lin_interpn__.cc, __luinc__.cc, __magick_read__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc,
bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h,
cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc,
error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc,
file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc,
gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc,
help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h,
jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc,
load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h,
mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc,
oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll,
oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc,
pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc,
pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c,
siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc,
sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc,
time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc,
urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc,
xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc,
__fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc,
convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc,
ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc,
ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc,
ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc,
ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc,
ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc,
ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc,
ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h,
op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc,
op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc,
op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc,
op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc,
op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc,
op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc,
op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc,
op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc,
op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc,
op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc,
op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc,
op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc,
op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc,
op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc,
op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc,
op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc,
op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc,
lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc,
pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc,
pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc,
pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc,
pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc,
version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc,
Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc,
Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc,
CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc,
CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc,
MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc,
MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc,
Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc,
chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc,
dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc,
dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc,
fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc,
int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc,
uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc,
f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h,
liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc,
chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc,
lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc,
oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc,
randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk,
mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc,
oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc,
kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc,
oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h,
oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h,
oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc,
statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc,
acinclude.m4, display-available.c, display-available.h, main-cli.cc,
main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc,
octave-config.in.cc, shared-fcns.h:
Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 17 May 2016 12:09:30 -0400 |
parents | ae4d7dfea337 |
children | b571fc85953f |
rev | line source |
---|---|
4902 | 1 /* |
2 | |
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3 Copyright (C) 2004-2015 John W. Eaton |
11523 | 4 Copyright (C) 2008-2009 Jaroslav Hajek |
4902 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
4902 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
4902 | 21 |
22 */ | |
23 | |
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24 #if ! defined (octave_oct_inttypes_h) |
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25 #define octave_oct_inttypes_h 1 |
4902 | 26 |
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27 #include "octave-config.h" |
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28 |
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29 #include <cstdlib> |
6482 | 30 |
4902 | 31 #include <limits> |
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32 #include <iosfwd> |
4902 | 33 |
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34 #include "lo-traits.h" |
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35 #include "lo-math.h" |
4969 | 36 #include "lo-mappers.h" |
4902 | 37 |
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38 #if defined (OCTAVE_INT_USE_LONG_DOUBLE) |
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39 inline long double xround (long double x) { return roundl (x); } |
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40 inline long double xisnan (long double x) |
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41 { return xisnan (static_cast<double> (x)); } |
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42 #endif |
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43 |
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44 // FIXME: we define this by our own because some compilers, such as |
8333 | 45 // MSVC, do not provide std::abs (int64_t) and std::abs (uint64_t). In |
46 // the future, it should go away in favor of std::abs. | |
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47 template <typename T> |
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48 inline T octave_int_abs (T x) { return x >= 0 ? x : -x; } |
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49 |
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50 // Query for an integer type of certain sizeof, and signedness. |
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51 template <int qsize, bool qsigned> |
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52 struct query_integer_type |
4902 | 53 { |
54 public: | |
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55 static const bool registered = false; |
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56 typedef void type; // Void shall result in a compile-time error if we |
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57 // attempt to use it in computations. |
4902 | 58 }; |
59 | |
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60 #define REGISTER_INT_TYPE(TYPE) \ |
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61 template <> \ |
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62 class query_integer_type<sizeof (TYPE), std::numeric_limits<TYPE>::is_signed> \ |
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63 { \ |
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64 public: \ |
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65 static const bool registered = true; \ |
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66 typedef TYPE type; \ |
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67 } |
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68 |
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69 // No two registered integers can share sizeof and signedness. |
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70 REGISTER_INT_TYPE (int8_t); |
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71 REGISTER_INT_TYPE (uint8_t); |
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72 REGISTER_INT_TYPE (int16_t); |
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73 REGISTER_INT_TYPE (uint16_t); |
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74 REGISTER_INT_TYPE (int32_t); |
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75 REGISTER_INT_TYPE (uint32_t); |
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76 REGISTER_INT_TYPE (int64_t); |
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77 REGISTER_INT_TYPE (uint64_t); |
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78 |
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79 // Rationale: Comparators have a single static method, rel(), that returns the |
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80 // result of the binary relation. They also have two static boolean fields: |
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81 // ltval, gtval determine the value of x OP y if x < y, x > y, respectively. |
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82 #define REGISTER_OCTAVE_CMP_OP(NM,OP) \ |
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83 class NM \ |
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84 { \ |
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85 public: \ |
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86 static const bool ltval = (0 OP 1); \ |
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87 static const bool gtval = (1 OP 0); \ |
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88 template <typename T> \ |
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89 static bool op (T x, T y) { return x OP y; } \ |
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90 } |
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91 |
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92 // We also provide two special relations: ct, yielding always true, and cf, |
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93 // yielding always false. |
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94 #define REGISTER_OCTAVE_CONST_OP(NM,value) \ |
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95 class NM \ |
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96 { \ |
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97 public: \ |
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98 static const bool ltval = value; \ |
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99 static const bool gtval = value; \ |
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100 template <typename T> \ |
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101 static bool op (T, T) { return value; } \ |
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102 } |
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104 // Handles non-homogeneous integer comparisons. Avoids doing useless tests. |
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105 class octave_int_cmp_op |
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106 { |
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107 // This determines a suitable promotion type for T1 when meeting T2 in a |
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108 // binary relation. If promotion to int or T2 is safe, it is used. Otherwise, |
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109 // the signedness of T1 is preserved and it is widened if T2 is wider. |
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110 // Notice that if this is applied to both types, they must end up with equal |
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111 // size. |
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112 template <typename T1, typename T2> |
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113 class prom |
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114 { |
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115 // Promote to int? |
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116 static const bool pint = (sizeof (T1) < sizeof (int) |
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117 && sizeof (T2) < sizeof (int)); |
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118 static const bool t1sig = std::numeric_limits<T1>::is_signed; |
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119 static const bool t2sig = std::numeric_limits<T2>::is_signed; |
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120 static const bool psig = |
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121 (pint || (sizeof (T2) > sizeof (T1) && t2sig) || t1sig); |
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122 static const int psize = |
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123 (pint ? sizeof (int) : (sizeof (T2) > sizeof (T1) |
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124 ? sizeof (T2) : sizeof (T1))); |
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125 public: |
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126 typedef typename query_integer_type<psize, psig>::type type; |
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127 }; |
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129 // Implements comparisons between two types of equal size but |
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130 // possibly different signedness. |
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131 template <typename xop, int size> |
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132 class uiop |
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133 { |
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134 typedef typename query_integer_type<size, false>::type utype; |
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135 typedef typename query_integer_type<size, true>::type stype; |
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136 public: |
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137 static bool op (utype x, utype y) |
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138 { return xop::op (x, y); } |
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139 static bool op (stype x, stype y) |
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140 { return xop::op (x, y); } |
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141 static bool op (stype x, utype y) |
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142 { return (x < 0) ? xop::ltval : xop::op (static_cast<utype> (x), y); } |
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143 static bool op (utype x, stype y) |
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144 { return (y < 0) ? xop::gtval : xop::op (x, static_cast<utype> (y)); } |
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145 }; |
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147 public: |
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148 REGISTER_OCTAVE_CMP_OP (lt, <); |
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149 REGISTER_OCTAVE_CMP_OP (le, <=); |
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150 REGISTER_OCTAVE_CMP_OP (gt, >); |
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151 REGISTER_OCTAVE_CMP_OP (ge, >=); |
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152 REGISTER_OCTAVE_CMP_OP (eq, ==); |
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153 REGISTER_OCTAVE_CMP_OP (ne, !=); |
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154 REGISTER_OCTAVE_CONST_OP (ct, true); |
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155 REGISTER_OCTAVE_CONST_OP (cf, false); |
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156 |
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157 // Universal comparison operation. |
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158 template <typename xop, typename T1, typename T2> |
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159 static bool |
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160 op (T1 x, T2 y) |
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161 { |
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162 typedef typename prom<T1, T2>::type PT1; |
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163 typedef typename prom<T2, T1>::type PT2; |
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164 return uiop<xop, sizeof (PT1)>::op (static_cast<PT1> (x), |
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165 static_cast<PT2> (y)); |
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166 } |
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167 |
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168 public: |
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169 |
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170 // Mixed comparisons |
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171 template <typename xop, typename T> |
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172 static bool |
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173 mop (T x, double y) |
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174 { return xop::op (static_cast<double> (x), y); } |
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175 |
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176 template <typename xop, typename T> |
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177 static bool |
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178 mop (double x, T y) |
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179 { return xop::op (x, static_cast<double> (y)); } |
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180 |
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181 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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182 # define DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS(T) \ |
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183 template <typename xop> static OCTAVE_API bool \ |
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184 external_mop (double, T); \ |
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185 template <typename xop> static OCTAVE_API bool \ |
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186 external_mop (T, double) |
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187 |
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188 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (int64_t); |
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189 DECLARE_EXTERNAL_LONG_DOUBLE_CMP_OPS (uint64_t); |
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190 #endif |
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191 |
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192 // Typecasting to doubles won't work properly for 64-bit integers -- |
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193 // they lose precision. |
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194 // If we have long doubles, use them... |
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195 #if defined (OCTAVE_INT_USE_LONG_DOUBLE) |
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196 # if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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197 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \ |
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198 template <typename xop> \ |
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199 static bool \ |
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200 mop (double x, T y) \ |
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201 { \ |
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202 return external_mop<xop> (x, y); \ |
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203 } \ |
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204 template <typename xop> \ |
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205 static bool \ |
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206 mop (T x, double y) \ |
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207 { \ |
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208 return external_mop<xop> (x, y); \ |
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209 } |
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210 # else |
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211 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \ |
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212 template <typename xop> \ |
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213 static bool \ |
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214 mop (double x, T y) \ |
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215 { \ |
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216 return xop::op (static_cast<long double> (x), \ |
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217 static_cast<long double> (y)); \ |
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218 } \ |
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219 template <typename xop> \ |
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220 static bool \ |
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221 mop (T x, double y) \ |
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222 { \ |
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223 return xop::op (static_cast<long double> (x), \ |
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224 static_cast<long double> (y)); \ |
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225 } |
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226 # endif |
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227 #else |
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228 // ... otherwise, use external handlers |
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229 |
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230 // FIXME: We could declare directly the mop methods as external, |
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231 // but we can't do this because bugs in gcc (<= 4.3) prevent |
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232 // explicit instantiations later in that case. |
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233 # define DEFINE_LONG_DOUBLE_CMP_OP(T) \ |
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234 template <typename xop> static OCTAVE_API bool \ |
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235 emulate_mop (double, T); \ |
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236 template <typename xop> \ |
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237 static bool \ |
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238 mop (double x, T y) \ |
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239 { \ |
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240 return emulate_mop<xop> (x, y); \ |
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241 } \ |
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242 template <typename xop> static OCTAVE_API bool \ |
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243 emulate_mop (T, double); \ |
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244 template <typename xop> \ |
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245 static bool \ |
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246 mop (T x, double y) \ |
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247 { \ |
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248 return emulate_mop<xop> (x, y); \ |
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249 } |
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250 #endif |
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251 |
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252 DEFINE_LONG_DOUBLE_CMP_OP(int64_t) |
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253 DEFINE_LONG_DOUBLE_CMP_OP(uint64_t) |
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254 |
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255 #undef DEFINE_LONG_DOUBLE_CMP_OP |
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256 }; |
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257 |
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258 // Base integer class. No data, just conversion methods and exception flags. |
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259 template <typename T> |
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260 class octave_int_base |
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261 { |
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262 public: |
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263 |
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264 static T min_val () { return std::numeric_limits<T>:: min (); } |
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265 static T max_val () { return std::numeric_limits<T>:: max (); } |
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267 // Convert integer value. |
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268 template <typename S> |
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269 static T |
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270 truncate_int (const S& value) |
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271 { |
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272 // An exhaustive test whether the max and/or min check can be omitted. |
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273 static const bool t_is_signed = std::numeric_limits<T>::is_signed; |
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274 static const bool s_is_signed = std::numeric_limits<S>::is_signed; |
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275 static const int t_size = sizeof (T); |
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276 static const int s_size = sizeof (S); |
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277 |
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278 static const bool omit_chk_min = |
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279 (! s_is_signed || (t_is_signed && t_size >= s_size)); |
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280 static const bool omit_chk_max = |
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281 (t_size > s_size || (t_size == s_size |
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282 && (! t_is_signed || s_is_signed))); |
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283 // If the check can be omitted, substitute constant false relation. |
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284 typedef octave_int_cmp_op::cf cf; |
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285 typedef octave_int_cmp_op::lt lt; |
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286 typedef octave_int_cmp_op::gt gt; |
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287 typedef typename if_then_else<omit_chk_min, cf, lt>::result chk_min; |
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288 typedef typename if_then_else<omit_chk_max, cf, gt>::result chk_max; |
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290 // Efficiency of the following depends on inlining and dead code |
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291 // elimination, but that should be a piece of cake for most compilers. |
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292 if (chk_min::op (value, static_cast<S> (min_val ()))) |
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293 { |
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294 return min_val (); |
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295 } |
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296 else if (chk_max::op (value, static_cast<S> (max_val ()))) |
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297 { |
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298 return max_val (); |
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299 } |
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300 else |
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301 return static_cast<T> (value); |
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302 } |
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304 private: |
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305 |
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306 // Computes a real-valued threshold for a max/min check. |
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307 template <typename S> |
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308 static S |
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309 compute_threshold (S val, T orig_val) |
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310 { |
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311 val = xround (val); // Fool optimizations (maybe redundant) |
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312 // If val is even, but orig_val is odd, we're one unit off. |
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313 if (orig_val % 2 && val / 2 == xround (val / 2)) |
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314 // FIXME: is this always correct? |
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315 val *= (static_cast<S> (1) - (std::numeric_limits<S>::epsilon () / 2)); |
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316 return val; |
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317 } |
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318 |
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319 public: |
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320 |
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321 // Convert a real number (check NaN and non-int). |
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322 template <typename S> |
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323 static T |
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324 convert_real (const S& value); |
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325 }; |
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326 |
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327 // Saturated (homogeneous) integer arithmetics. The signed and unsigned |
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328 // implementations are significantly different, so we implement another layer |
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329 // and completely specialize. Arithmetics inherits from octave_int_base so that |
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330 // it can use its exceptions and truncation functions. |
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331 |
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332 template <typename T, bool is_signed> |
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333 class octave_int_arith_base |
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334 { }; |
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335 |
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336 // Unsigned arithmetics. C++ standard requires it to be modular, so the |
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337 // overflows can be handled efficiently and reliably. |
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338 template <typename T> |
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339 class octave_int_arith_base<T, false> : octave_int_base<T> |
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340 { |
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341 public: |
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342 |
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343 static T |
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344 abs (T x) { return x; } |
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345 |
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346 static T |
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347 signum (T x) { return x ? static_cast<T> (1) : static_cast<T> (0); } |
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348 |
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349 // Shifts do not overflow. |
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350 static T |
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351 rshift (T x, int n) { return x >> n; } |
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352 |
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353 static T |
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354 lshift (T x, int n) { return x << n; } |
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355 |
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356 static T |
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357 minus (T) |
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358 { |
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359 return static_cast<T> (0); |
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360 } |
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361 |
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362 // the overflow behavior for unsigned integers is guaranteed by C/C++, |
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363 // so the following should always work. |
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364 static T |
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365 add (T x, T y) |
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366 { |
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367 T u = x + y; |
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368 if (u < x) |
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369 { |
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370 u = octave_int_base<T>::max_val (); |
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371 } |
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372 return u; |
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373 } |
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374 |
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375 static T |
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376 sub (T x, T y) |
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377 { |
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378 T u = x - y; |
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379 if (u > x) |
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380 { |
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381 u = 0; |
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382 } |
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383 return u; |
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384 } |
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385 |
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386 // Multiplication is done using promotion to wider integer type. If there is |
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387 // no suitable promotion type, this operation *MUST* be specialized. |
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388 static T mul (T x, T y) { return mul_internal (x, y); } |
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389 |
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390 static T |
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391 mul_internal (T x, T y) |
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392 { |
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393 // Promotion type for multiplication (if exists). |
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394 typedef typename query_integer_type<2*sizeof (T), false>::type mptype; |
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395 return octave_int_base<T>::truncate_int (static_cast<mptype> (x) |
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396 * static_cast<mptype> (y)); |
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397 } |
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398 |
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399 // Division with rounding to nearest. Note that / and % are probably |
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400 // computed by a single instruction. |
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401 static T |
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402 div (T x, T y) |
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403 { |
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404 if (y != 0) |
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405 { |
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406 T z = x / y; |
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407 T w = x % y; |
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408 if (w >= y-w) z += 1; |
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409 return z; |
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410 } |
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411 else |
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412 { |
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413 return x ? octave_int_base<T>::max_val () : 0; |
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414 } |
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415 } |
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416 |
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417 // Remainder. |
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418 static T |
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419 rem (T x, T y) |
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420 { |
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421 return y != 0 ? x % y : 0; |
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422 } |
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423 |
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424 // Modulus. Note the weird y = 0 case for Matlab compatibility. |
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425 static T |
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426 mod (T x, T y) |
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427 { |
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428 return y != 0 ? x % y : x; |
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429 } |
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430 }; |
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431 |
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432 #if defined (OCTAVE_INT_USE_LONG_DOUBLE) |
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433 |
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434 // Handle 64-bit multiply using long double |
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435 |
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436 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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437 |
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438 extern OCTAVE_API uint64_t |
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439 octave_external_uint64_uint64_mul (uint64_t, uint64_t); |
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440 |
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441 #endif |
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442 |
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443 template <> |
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444 inline uint64_t |
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445 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t x, uint64_t y) |
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446 { |
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447 uint64_t retval; |
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448 |
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449 long double p = static_cast<long double> (x) * static_cast<long double> (y); |
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450 |
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451 if (p > static_cast<long double> (octave_int_base<uint64_t>::max_val ())) |
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452 retval = octave_int_base<uint64_t>::max_val (); |
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453 else |
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454 retval = static_cast<uint64_t> (p); |
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455 |
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456 return retval; |
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457 } |
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458 |
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459 template <> |
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460 inline uint64_t |
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461 octave_int_arith_base<uint64_t, false>::mul (uint64_t x, uint64_t y) |
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462 { |
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463 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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464 return octave_external_uint64_uint64_mul (x, y); |
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465 #else |
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466 return mul_internal (x, y); |
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467 #endif |
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468 } |
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469 |
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470 #else |
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471 |
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472 // Special handler for 64-bit integer multiply. |
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473 template <> |
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474 OCTAVE_API uint64_t |
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475 octave_int_arith_base<uint64_t, false>::mul_internal (uint64_t, uint64_t); |
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476 |
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477 #endif |
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478 |
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479 // Signed integer arithmetic. |
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480 // |
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481 // Rationale: If OCTAVE_HAVE_FAST_INT_OPS is defined, the following |
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482 // conditions should hold: |
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483 // |
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484 // 1. Signed numbers are represented by twos complement (see |
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485 // <http://en.wikipedia.org/wiki/Two%27s_complement>) |
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486 // |
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487 // 2. static_cast to unsigned int counterpart works like |
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488 // interpreting the signed bit pattern as unsigned (and is thus |
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489 // zero-cost). |
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490 // |
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491 // 3. Signed addition and subtraction yield the same bit results as |
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492 // unsigned. (We use casts to prevent optimization interference, |
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493 // so there is no need for things like -ftrapv). |
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494 // |
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495 // 4. Bit operations on signed integers work like on unsigned |
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496 // integers, except for the shifts. Shifts are arithmetic. |
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497 // |
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498 // The above conditions are satisfied by most modern platforms. If |
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499 // OCTAVE_HAVE_FAST_INT_OPS is defined, bit tricks and wraparound |
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500 // arithmetics are used to avoid conditional jumps as much as |
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501 // possible, thus being friendly to modern pipeline processor |
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502 // architectures. Otherwise, we fall back to a bullet-proof code that |
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503 // only uses assumptions guaranteed by the standard. |
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504 |
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505 template <typename T> |
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506 class octave_int_arith_base<T, true> : octave_int_base<T> |
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507 { |
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508 // The corresponding unsigned type. |
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509 typedef typename query_integer_type<sizeof (T), false>::type UT; |
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510 public: |
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511 |
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512 // Returns 1 for negative number, 0 otherwise. |
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513 static T |
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514 __signbit (T x) |
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515 { |
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516 #if defined (OCTAVE_HAVE_FAST_INT_OPS) |
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517 return static_cast<UT> (x) >> std::numeric_limits<T>::digits; |
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518 #else |
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519 return (x < 0) ? 1 : 0; |
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520 #endif |
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521 } |
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522 |
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523 static T |
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524 abs (T x) |
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525 { |
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526 #if defined (OCTAVE_HAVE_FAST_INT_OPS) |
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527 // This is close to how GCC does std::abs, but we can't just use std::abs, |
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528 // because its behavior for INT_MIN is undefined and the compiler could |
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529 // discard the following test. |
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530 T m = x >> std::numeric_limits<T>::digits; |
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531 T y = (x ^ m) - m; |
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532 if (y < 0) |
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533 { |
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534 y = octave_int_base<T>::max_val (); |
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535 } |
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536 return y; |
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537 #else |
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538 // -INT_MAX is safe because C++ actually allows only three implementations |
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539 // of integers: sign & magnitude, ones complement and twos complement. |
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540 // The first test will, with modest optimizations, evaluate at compile |
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541 // time, and maybe eliminate the branch completely. |
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542 T y; |
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543 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val () |
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544 && x == octave_int_base<T>::min_val ()) |
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545 { |
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546 y = octave_int_base<T>::max_val (); |
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547 } |
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548 else |
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549 y = (x < 0) ? -x : x; |
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550 return y; |
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551 #endif |
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552 } |
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553 |
66bc6f9b4f72
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|
554 static T |
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|
555 signum (T x) |
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556 { |
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557 // With modest optimizations, this will compile without a jump. |
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558 return ((x > 0) ? 1 : 0) - __signbit (x); |
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559 } |
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560 |
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561 // FIXME: we do not have an authority what signed shifts should |
8333 | 562 // exactly do, so we define them the easy way. Note that Matlab does |
563 // not define signed shifts. | |
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564 |
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565 static T |
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566 rshift (T x, int n) { return x >> n; } |
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567 |
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568 static T |
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569 lshift (T x, int n) { return x << n; } |
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570 |
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571 // Minus has problems similar to abs. |
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572 static T |
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573 minus (T x) |
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574 { |
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575 #if defined (OCTAVE_HAVE_FAST_INT_OPS) |
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576 T y = -x; |
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577 if (y == octave_int_base<T>::min_val ()) |
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578 { |
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579 --y; |
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|
580 } |
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581 return y; |
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582 #else |
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583 T y; |
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584 if (octave_int_base<T>::min_val () < -octave_int_base<T>::max_val () |
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585 && x == octave_int_base<T>::min_val ()) |
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586 { |
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587 y = octave_int_base<T>::max_val (); |
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588 } |
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589 else |
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590 y = -x; |
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|
591 return y; |
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592 #endif |
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|
593 } |
7521
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7503
diff
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594 |
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John W. Eaton <jwe@octave.org>
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595 static T |
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596 add (T x, T y) |
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597 { |
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598 #if defined (OCTAVE_HAVE_FAST_INT_OPS) |
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599 // The typecasts do nothing, but they are here to prevent an optimizing |
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600 // compiler from interfering. Also, the signed operations on small types |
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601 // actually return int. |
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602 T u = static_cast<UT> (x) + static_cast<UT> (y); |
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603 T ux = u ^ x; |
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604 T uy = u ^ y; |
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605 if ((ux & uy) < 0) |
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606 { |
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607 u = octave_int_base<T>::max_val () + __signbit (~u); |
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608 } |
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609 return u; |
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610 #else |
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611 // We shall carefully avoid anything that may overflow. |
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612 T u; |
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613 if (y < 0) |
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614 { |
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615 if (x < octave_int_base<T>::min_val () - y) |
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616 { |
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617 u = octave_int_base<T>::min_val (); |
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618 } |
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619 else |
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620 u = x + y; |
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621 } |
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622 else |
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623 { |
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624 if (x > octave_int_base<T>::max_val () - y) |
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625 { |
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626 u = octave_int_base<T>::max_val (); |
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627 } |
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628 else |
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629 u = x + y; |
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630 } |
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631 |
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632 return u; |
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|
633 #endif |
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634 } |
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|
635 |
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|
636 // This is very similar to addition. |
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|
637 static T |
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|
638 sub (T x, T y) |
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|
639 { |
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|
640 #if defined (OCTAVE_HAVE_FAST_INT_OPS) |
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|
641 // The typecasts do nothing, but they are here to prevent an optimizing |
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|
642 // compiler from interfering. Also, the signed operations on small types |
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|
643 // actually return int. |
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|
644 T u = static_cast<UT> (x) - static_cast<UT> (y); |
18084
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Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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|
645 T ux = u ^ x; |
8e056300994b
Follow coding convention of defining and initializing only 1 variable per line in liboctave.
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|
646 T uy = u ^ ~y; |
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|
647 if ((ux & uy) < 0) |
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|
648 { |
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|
649 u = octave_int_base<T>::max_val () + __signbit (~u); |
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|
650 } |
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|
651 return u; |
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|
652 #else |
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|
653 // We shall carefully avoid anything that may overflow. |
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|
654 T u; |
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|
655 if (y < 0) |
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|
656 { |
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|
657 if (x > octave_int_base<T>::max_val () + y) |
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|
658 { |
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|
659 u = octave_int_base<T>::max_val (); |
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|
660 } |
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|
661 else |
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|
662 u = x - y; |
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663 } |
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|
664 else |
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665 { |
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666 if (x < octave_int_base<T>::min_val () + y) |
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667 { |
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668 u = octave_int_base<T>::min_val (); |
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669 } |
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|
670 else |
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671 u = x - y; |
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672 } |
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673 |
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674 return u; |
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675 #endif |
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676 } |
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677 |
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678 // Multiplication is done using promotion to wider integer type. If there is |
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679 // no suitable promotion type, this operation *MUST* be specialized. |
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680 static T mul (T x, T y) { return mul_internal (x, y); } |
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681 |
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|
682 static T |
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683 mul_internal (T x, T y) |
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684 { |
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|
685 // Promotion type for multiplication (if exists). |
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Rik <rik@octave.org>
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686 typedef typename query_integer_type<2*sizeof (T), true>::type mptype; |
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Rik <rik@octave.org>
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|
687 return octave_int_base<T>::truncate_int (static_cast<mptype> (x) |
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Rik <rik@octave.org>
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|
688 * static_cast<mptype> (y)); |
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|
689 } |
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|
690 |
66bc6f9b4f72
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|
691 // Division. |
11586
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|
692 static T |
8169
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rewrite integer arithmetics and conversions
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|
693 div (T x, T y) |
17769
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|
694 { |
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|
695 T z; |
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Rik <rik@octave.org>
parents:
17744
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|
696 if (y == 0) |
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|
697 { |
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17744
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|
698 if (x < 0) |
49a5a4be04a1
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Rik <rik@octave.org>
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|
699 z = octave_int_base<T>::min_val (); |
49a5a4be04a1
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|
700 else if (x != 0) |
49a5a4be04a1
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Rik <rik@octave.org>
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diff
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|
701 z = octave_int_base<T>::max_val (); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
702 else |
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
703 z = 0; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
704 } |
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
705 else if (y < 0) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
706 { |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
707 // 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
|
708 if (y == -1 && x == octave_int_base<T>::min_val ()) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
709 { |
8169
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rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
710 z = octave_int_base<T>::max_val (); |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
711 } |
49a5a4be04a1
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parents:
17744
diff
changeset
|
712 else |
49a5a4be04a1
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parents:
17744
diff
changeset
|
713 { |
49a5a4be04a1
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parents:
17744
diff
changeset
|
714 z = x / y; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
715 // Can't overflow, but std::abs (x) can! |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
716 T w = -octave_int_abs (x % y); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
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|
717 if (w <= y - w) |
49a5a4be04a1
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Rik <rik@octave.org>
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17744
diff
changeset
|
718 z -= 1 - (__signbit (x) << 1); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
719 } |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
720 } |
49a5a4be04a1
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parents:
17744
diff
changeset
|
721 else |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
722 { |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
723 z = x / y; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
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diff
changeset
|
724 // FIXME: this is a workaround due to MSVC's absence of |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
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changeset
|
725 // 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
|
726 // overflow, but std::abs (x) can! |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
727 T w = octave_int_abs (x % y); |
8333 | 728 |
17769
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Rik <rik@octave.org>
parents:
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changeset
|
729 if (w >= y - w) |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
730 z += 1 - (__signbit (x) << 1); |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
731 } |
49a5a4be04a1
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parents:
17744
diff
changeset
|
732 return z; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
733 } |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
734 |
10436
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
735 // Remainder. |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
736 static T |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
737 rem (T x, T y) |
17769
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
738 { |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
739 return y != 0 ? x % y : 0; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
740 } |
10436
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
741 |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
742 // Modulus. Note the weird y = 0 case for Matlab compatibility. |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
743 static T |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
744 mod (T x, T y) |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
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diff
changeset
|
745 { |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
746 if (y != 0) |
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
747 { |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
748 T r = x % y; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
749 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
|
750 } |
49a5a4be04a1
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parents:
17744
diff
changeset
|
751 else |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
752 return x; |
49a5a4be04a1
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Rik <rik@octave.org>
parents:
17744
diff
changeset
|
753 } |
7521
6f10bbb2854a
avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
754 }; |
6f10bbb2854a
avoid some GCC warnings for unsigned comparisons
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
755 |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21574
diff
changeset
|
756 #if defined (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
|
757 |
8185
69c5cce38c29
implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents:
8169
diff
changeset
|
758 // 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
|
759 |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21574
diff
changeset
|
760 #if defined (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:
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diff
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|
761 |
ac9fd5010620
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John W. Eaton <jwe@octave.org>
parents:
17980
diff
changeset
|
762 extern OCTAVE_API int64_t |
ac9fd5010620
avoid including gnulib header in installed Octave header file (bug #40607)
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diff
changeset
|
763 octave_external_int64_int64_mul (int64_t, int64_t); |
ac9fd5010620
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John W. Eaton <jwe@octave.org>
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diff
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|
764 |
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parents:
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diff
changeset
|
765 #endif |
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avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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diff
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|
766 |
8185
69c5cce38c29
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Jaroslav Hajek <highegg@gmail.com>
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8169
diff
changeset
|
767 template <> |
69c5cce38c29
implement 64-bit arithmetics
Jaroslav Hajek <highegg@gmail.com>
parents:
8169
diff
changeset
|
768 inline int64_t |
17993
ac9fd5010620
avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
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17980
diff
changeset
|
769 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:
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diff
changeset
|
770 { |
17993
ac9fd5010620
avoid including gnulib header in installed Octave header file (bug #40607)
John W. Eaton <jwe@octave.org>
parents:
17980
diff
changeset
|
771 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
|
772 |
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69c5cce38c29
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
773 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)
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diff
changeset
|
774 |
21302
8376de2eaf00
define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents:
21245
diff
changeset
|
775 // NOTE: We could maybe do it with a single branch if |
8376de2eaf00
define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
776 // OCTAVE_HAVE_FAST_INT_OPS, but it would require one more runtime |
8376de2eaf00
define OCTAVE_HAVE_FAST_INT_OPS in octave-config.h
John W. Eaton <jwe@octave.org>
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diff
changeset
|
777 // conversion, so the question is whether it would really be faster. |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
778 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>
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17822
diff
changeset
|
779 retval = octave_int_base<int64_t>::max_val (); |
8185
69c5cce38c29
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780 else if (p < static_cast<long double> (octave_int_base<int64_t>::min_val ())) |
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781 retval = octave_int_base<int64_t>::min_val (); |
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782 else |
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783 retval = static_cast<int64_t> (p); |
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784 |
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785 return retval; |
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786 } |
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787 |
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788 template <> |
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789 inline int64_t |
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790 octave_int_arith_base<int64_t, true>::mul (int64_t x, int64_t y) |
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791 { |
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792 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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793 return octave_external_int64_int64_mul (x, y); |
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794 #else |
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795 return mul_internal (x, y); |
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796 #endif |
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797 } |
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798 |
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799 #else |
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800 |
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801 // Special handler for 64-bit integer multiply. |
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802 template <> |
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803 OCTAVE_API int64_t |
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804 octave_int_arith_base<int64_t, true>::mul_internal (int64_t, int64_t); |
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805 |
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806 #endif |
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807 |
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808 // This class simply selects the proper arithmetics. |
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809 template <typename T> |
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810 class octave_int_arith |
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811 : public octave_int_arith_base<T, std::numeric_limits<T>::is_signed> |
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812 { }; |
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813 |
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814 template <typename T> |
4902 | 815 class |
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816 octave_int : public octave_int_base<T> |
4902 | 817 { |
818 public: | |
4943 | 819 typedef T val_type; |
820 | |
4902 | 821 octave_int (void) : ival () { } |
822 | |
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823 octave_int (T i) : ival (i) { } |
4902 | 824 |
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825 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES) |
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826 // Always treat characters as unsigned. |
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827 octave_int (char c) |
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828 : ival (octave_int_base<T>::truncate_int (static_cast<unsigned char> (c))) |
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829 { } |
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830 #endif |
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831 |
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832 octave_int (double d) : ival (octave_int_base<T>::convert_real (d)) { } |
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833 |
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834 octave_int (float d) : ival (octave_int_base<T>::convert_real (d)) { } |
6402 | 835 |
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836 #if defined (OCTAVE_INT_USE_LONG_DOUBLE) |
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837 octave_int (long double d) : ival (octave_int_base<T>::convert_real (d)) { } |
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838 #endif |
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839 |
4902 | 840 octave_int (bool b) : ival (b) { } |
841 | |
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842 template <typename U> |
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843 octave_int (const U& i) : ival(octave_int_base<T>::truncate_int (i)) { } |
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844 |
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845 template <typename U> |
4902 | 846 octave_int (const octave_int<U>& i) |
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847 : ival (octave_int_base<T>::truncate_int (i.value ())) { } |
4902 | 848 |
849 octave_int (const octave_int<T>& i) : ival (i.ival) { } | |
850 | |
851 octave_int& operator = (const octave_int<T>& i) | |
852 { | |
853 ival = i.ival; | |
854 return *this; | |
855 } | |
856 | |
857 T value (void) const { return ival; } | |
858 | |
4949 | 859 const unsigned char * iptr (void) const |
860 { return reinterpret_cast<const unsigned char *> (& ival); } | |
861 | |
4902 | 862 bool operator ! (void) const { return ! ival; } |
863 | |
7198 | 864 bool bool_value (void) const { return static_cast<bool> (value ()); } |
865 | |
866 char char_value (void) const { return static_cast<char> (value ()); } | |
867 | |
868 double double_value (void) const { return static_cast<double> (value ()); } | |
869 | |
870 float float_value (void) const { return static_cast<float> (value ()); } | |
871 | |
7177 | 872 operator T (void) const { return value (); } |
873 | |
7198 | 874 // char and bool operators intentionally omitted. |
5533 | 875 |
7198 | 876 operator double (void) const { return double_value (); } |
4902 | 877 |
7198 | 878 operator float (void) const { return float_value (); } |
5030 | 879 |
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880 octave_int<T> |
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881 operator + () const |
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882 { return *this; } |
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883 |
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884 // unary operators & mappers |
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885 #define OCTAVE_INT_UN_OP(OPNAME,NAME) \ |
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886 inline octave_int<T> \ |
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887 OPNAME () const \ |
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888 { return octave_int_arith<T>::NAME (ival); } |
4902 | 889 |
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890 OCTAVE_INT_UN_OP(operator -, minus) |
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891 OCTAVE_INT_UN_OP(abs, abs) |
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892 OCTAVE_INT_UN_OP(signum, signum) |
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893 |
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|
894 #undef OCTAVE_INT_UN_OP |
4902 | 895 |
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896 // Homogeneous binary integer operations. |
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897 #define OCTAVE_INT_BIN_OP(OP, NAME, ARGT) \ |
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898 inline octave_int<T> \ |
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899 operator OP (const ARGT& y) const \ |
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900 { return octave_int_arith<T>::NAME (ival, y); } \ |
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901 inline octave_int<T>& \ |
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902 operator OP##= (const ARGT& y) \ |
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903 { \ |
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904 ival = octave_int_arith<T>::NAME (ival, y); \ |
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905 return *this; \ |
4952 | 906 } |
907 | |
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908 OCTAVE_INT_BIN_OP(+, add, octave_int<T>) |
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909 OCTAVE_INT_BIN_OP(-, sub, octave_int<T>) |
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910 OCTAVE_INT_BIN_OP(*, mul, octave_int<T>) |
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911 OCTAVE_INT_BIN_OP(/, div, octave_int<T>) |
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912 OCTAVE_INT_BIN_OP(%, rem, octave_int<T>) |
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913 OCTAVE_INT_BIN_OP(<<, lshift, int) |
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914 OCTAVE_INT_BIN_OP(>>, rshift, int) |
4952 | 915 |
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916 #undef OCTAVE_INT_BIN_OP |
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917 |
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918 static octave_int<T> min (void) { return std::numeric_limits<T>::min (); } |
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919 static octave_int<T> max (void) { return std::numeric_limits<T>::max (); } |
4906 | 920 |
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921 static int nbits (void) { return std::numeric_limits<T>::digits; } |
4909 | 922 |
15018
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923 static int byte_size (void) { return sizeof (T); } |
4949 | 924 |
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925 static const char *type_name (); |
7997
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926 |
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927 // The following are provided for convenience. |
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928 static const octave_int zero, one; |
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929 |
5900 | 930 // Unsafe. This function exists to support the MEX interface. |
931 // You should not use it anywhere else. | |
932 void *mex_get_data (void) const { return const_cast<T *> (&ival); } | |
933 | |
4902 | 934 private: |
935 | |
936 T ival; | |
937 }; | |
938 | |
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939 template <typename T> |
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940 inline octave_int<T> |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
941 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
|
942 { return octave_int_arith<T>::rem (x.value (), y.value ()); } |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
943 |
21139
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consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
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20791
diff
changeset
|
944 template <typename T> |
10436
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
945 inline octave_int<T> |
00219bdd2d17
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Jaroslav Hajek <highegg@gmail.com>
parents:
10405
diff
changeset
|
946 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
|
947 { return octave_int_arith<T>::mod (x.value (), y.value ()); } |
00219bdd2d17
implement built-in rem and mod
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
948 |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
949 // No mixed integer binary operations! |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
950 |
21139
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John W. Eaton <jwe@octave.org>
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20791
diff
changeset
|
951 template <typename T> |
8169
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rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
952 inline bool |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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8104
diff
changeset
|
953 xisnan (const octave_int<T>&) |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
954 { return false; } |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
955 |
17769
49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
956 // FIXME: can/should any of these be inline? |
7997
2b8952e133c9
implement checked conversions between integers
Jaroslav Hajek <highegg@gmail.com>
parents:
7922
diff
changeset
|
957 |
21139
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
958 template <typename T> |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
959 extern OCTAVE_API octave_int<T> |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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|
960 pow (const octave_int<T>&, const octave_int<T>&); |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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|
961 |
21139
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|
962 template <typename T> |
8169
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diff
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|
963 extern OCTAVE_API octave_int<T> |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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diff
changeset
|
964 pow (const double& a, const octave_int<T>& b); |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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|
965 |
21139
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John W. Eaton <jwe@octave.org>
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|
966 template <typename T> |
8169
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rewrite integer arithmetics and conversions
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|
967 extern OCTAVE_API octave_int<T> |
66bc6f9b4f72
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diff
changeset
|
968 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
|
969 |
21139
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John W. Eaton <jwe@octave.org>
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changeset
|
970 template <typename T> |
8169
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rewrite integer arithmetics and conversions
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|
971 extern OCTAVE_API octave_int<T> |
13012
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Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
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|
972 pow (const float& a, const octave_int<T>& b); |
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
973 |
21139
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diff
changeset
|
974 template <typename T> |
13012
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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|
975 extern OCTAVE_API octave_int<T> |
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
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diff
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|
976 pow (const octave_int<T>& a, const float& b); |
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
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|
977 |
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
changeset
|
978 // FIXME: Do we really need a differently named single-precision |
15eefbd9d4e8
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Jordi Gutiérrez Hermoso <jordigh@gmail.com>
parents:
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diff
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|
979 // 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:
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diff
changeset
|
980 // one? |
21139
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diff
changeset
|
981 template <typename T> |
13012
15eefbd9d4e8
Implement a few missing automatic bsxfun power operators
Jordi Gutiérrez Hermoso <jordigh@gmail.com>
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diff
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|
982 extern OCTAVE_API octave_int<T> |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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|
983 powf (const float& a, const octave_int<T>& b); |
4952 | 984 |
21139
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|
985 template <typename T> |
8169
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rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
986 extern OCTAVE_API octave_int<T> |
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
987 powf (const octave_int<T>& a, const float& b); |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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|
988 |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
989 // Binary relations |
4953 | 990 |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
991 #define OCTAVE_INT_CMP_OP(OP, NAME) \ |
21139
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consistently use "typename" intead of "class" in template declarations
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|
992 template <typename T1, typename T2> \ |
8169
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
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|
993 inline bool \ |
66bc6f9b4f72
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
994 operator OP (const octave_int<T1>& x, const octave_int<T2>& y) \ |
66bc6f9b4f72
rewrite integer arithmetics and conversions
Jaroslav Hajek <highegg@gmail.com>
parents:
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|
995 { return octave_int_cmp_op::op<octave_int_cmp_op::NAME, T1, T2> \ |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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|
996 (x.value (), y.value ()); } |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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diff
changeset
|
997 |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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8104
diff
changeset
|
998 OCTAVE_INT_CMP_OP (<, lt) |
66bc6f9b4f72
rewrite integer arithmetics and conversions
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diff
changeset
|
999 OCTAVE_INT_CMP_OP (<=, le) |
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rewrite integer arithmetics and conversions
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parents:
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|
1000 OCTAVE_INT_CMP_OP (>, gt) |
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|
1001 OCTAVE_INT_CMP_OP (>=, ge) |
66bc6f9b4f72
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Jaroslav Hajek <highegg@gmail.com>
parents:
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|
1002 OCTAVE_INT_CMP_OP (==, eq) |
66bc6f9b4f72
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|
1003 OCTAVE_INT_CMP_OP (!=, ne) |
66bc6f9b4f72
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|
1004 |
8185
69c5cce38c29
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Jaroslav Hajek <highegg@gmail.com>
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8169
diff
changeset
|
1005 #undef OCTAVE_INT_CMP_OP |
4953 | 1006 |
21139
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|
1007 template <typename T> |
8169
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|
1008 inline std::ostream& |
4902 | 1009 operator << (std::ostream& os, const octave_int<T>& ival) |
1010 { | |
1011 os << ival.value (); | |
1012 return os; | |
1013 } | |
1014 | |
21139
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|
1015 template <typename T> |
8169
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changeset
|
1016 inline std::istream& |
4902 | 1017 operator >> (std::istream& is, octave_int<T>& ival) |
1018 { | |
1019 T tmp = 0; | |
1020 is >> tmp; | |
1021 ival = tmp; | |
1022 return is; | |
1023 } | |
1024 | |
18252
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diff
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|
1025 // We need to specialise for char and unsigned char because |
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1026 // std::operator<< and std::operator>> are overloaded to input and |
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|
1027 // output the ASCII character values instead of a representation of |
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|
1028 // their numerical value (e.g. os << char(10) outputs a space instead |
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|
1029 // of outputting the characters '1' and '0') |
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|
1030 |
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|
1031 template <> |
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|
1032 inline std::ostream& |
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|
1033 operator << (std::ostream& os, const octave_int<int8_t>& ival) |
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1034 { |
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1035 os << static_cast<int> (ival.value ()); |
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1036 return os; |
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|
1037 } |
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1038 |
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1039 template <> |
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|
1040 inline std::ostream& |
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|
1041 operator << (std::ostream& os, const octave_int<uint8_t>& ival) |
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1042 { |
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1043 os << static_cast<unsigned int> (ival.value ()); |
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1044 return os; |
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1045 } |
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1046 |
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1047 |
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1048 template <> |
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1049 inline std::istream& |
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1050 operator >> (std::istream& is, octave_int<int8_t>& ival) |
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1051 { |
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1052 int tmp = 0; |
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1053 is >> tmp; |
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1054 ival = static_cast<int8_t> (tmp); |
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1055 return is; |
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1056 } |
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1057 |
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1058 template <> |
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1059 inline std::istream& |
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|
1060 operator >> (std::istream& is, octave_int<uint8_t>& ival) |
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1061 { |
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|
1062 unsigned int tmp = 0; |
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|
1063 is >> tmp; |
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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1064 ival = static_cast<uint8_t> (tmp); |
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1065 return is; |
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1066 } |
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|
1067 |
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1068 |
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1069 // Bitwise operations |
7789
82be108cc558
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1070 |
4906 | 1071 #define OCTAVE_INT_BITCMP_OP(OP) \ |
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1072 template <typename T> \ |
4906 | 1073 octave_int<T> \ |
1074 operator OP (const octave_int<T>& x, const octave_int<T>& y) \ | |
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1075 { return x.value () OP y.value (); } |
4906 | 1076 |
1077 OCTAVE_INT_BITCMP_OP (&) | |
1078 OCTAVE_INT_BITCMP_OP (|) | |
1079 OCTAVE_INT_BITCMP_OP (^) | |
1080 | |
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1081 #undef OCTAVE_INT_BITCMP_OP |
4906 | 1082 |
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1083 // General bit shift. |
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1084 template <typename T> |
4909 | 1085 octave_int<T> |
4920 | 1086 bitshift (const octave_int<T>& a, int n, |
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1087 const octave_int<T>& mask = std::numeric_limits<T>::max ()) |
4909 | 1088 { |
1089 if (n > 0) | |
4952 | 1090 return (a << n) & mask; |
4909 | 1091 else if (n < 0) |
4952 | 1092 return (a >> -n) & mask; |
4909 | 1093 else |
8963
d1eab3ddb02d
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1094 return a & mask; |
4909 | 1095 } |
1096 | |
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1097 typedef octave_int<int8_t> octave_int8; |
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1098 typedef octave_int<int16_t> octave_int16; |
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1099 typedef octave_int<int32_t> octave_int32; |
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1100 typedef octave_int<int64_t> octave_int64; |
4902 | 1101 |
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1102 typedef octave_int<uint8_t> octave_uint8; |
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1103 typedef octave_int<uint16_t> octave_uint16; |
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1104 typedef octave_int<uint32_t> octave_uint32; |
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1105 typedef octave_int<uint64_t> octave_uint64; |
5072 | 1106 |
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1107 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
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1108 |
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1109 #define DECLARE_EXTERNAL_LONG_DOUBLE_OP(T, OP) \ |
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1110 extern OCTAVE_API T \ |
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1111 external_double_ ## T ## _ ## OP (double x, T y); \ |
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1112 extern OCTAVE_API T \ |
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|
1113 external_ ## T ## _double_ ## OP (T x, double y) |
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1114 |
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1115 #define DECLARE_EXTERNAL_LONG_DOUBLE_OPS(T) \ |
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1116 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, add); \ |
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1117 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, sub); \ |
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|
1118 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, mul); \ |
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|
1119 DECLARE_EXTERNAL_LONG_DOUBLE_OP (T, div) |
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|
1120 |
18005
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|
1121 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_int64); |
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|
1122 DECLARE_EXTERNAL_LONG_DOUBLE_OPS (octave_uint64); |
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John W. Eaton <jwe@octave.org>
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|
1123 |
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|
1124 #endif |
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1125 |
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|
1126 #define OCTAVE_INT_DOUBLE_BIN_OP0(OP) \ |
21139
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|
1127 template <typename T> \ |
8169
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|
1128 inline octave_int<T> \ |
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|
1129 operator OP (const octave_int<T>& x, const double& y) \ |
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|
1130 { return octave_int<T> (static_cast<double> (x) OP y); } \ |
21139
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|
1131 template <typename T> \ |
8185
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|
1132 inline octave_int<T> \ |
69c5cce38c29
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|
1133 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>
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19739
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|
1134 { return octave_int<T> (x OP static_cast<double> (y)); } |
8185
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|
1135 |
21724
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|
1136 #if defined (OCTAVE_INT_USE_LONG_DOUBLE) |
8185
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|
1137 // Handle mixed op using long double |
21724
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John W. Eaton <jwe@octave.org>
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|
1138 #if defined (OCTAVE_ENSURE_LONG_DOUBLE_OPERATIONS_ARE_NOT_TRUNCATED) |
21202
f7121e111991
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Rik <rik@octave.org>
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|
1139 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \ |
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|
1140 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \ |
69c5cce38c29
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|
1141 template <> \ |
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|
1142 inline octave_int64 \ |
69c5cce38c29
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|
1143 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>
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|
1144 { \ |
18017
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|
1145 return external_double_octave_int64_ ## NAME (x, y); \ |
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|
1146 } \ |
8185
69c5cce38c29
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|
1147 template <> \ |
69c5cce38c29
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|
1148 inline octave_uint64 \ |
69c5cce38c29
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|
1149 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>
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|
1150 { \ |
18017
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|
1151 return external_double_octave_uint64_ ## NAME (x, y); \ |
17980
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John W. Eaton <jwe@octave.org>
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|
1152 } \ |
8185
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1153 template <> \ |
69c5cce38c29
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|
1154 inline octave_int64 \ |
69c5cce38c29
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|
1155 operator OP (const octave_int64& x, const double& y) \ |
17980
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John W. Eaton <jwe@octave.org>
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|
1156 { \ |
18017
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|
1157 return external_octave_int64_double_ ## NAME (x, y); \ |
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|
1158 } \ |
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|
1159 template <> \ |
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|
1160 inline octave_uint64 \ |
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|
1161 operator OP (const octave_uint64& x, const double& y) \ |
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|
1162 { \ |
18017
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|
1163 return external_octave_uint64_double_ ## NAME (x, y); \ |
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|
1164 } |
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|
1165 #else |
21202
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|
1166 # define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \ |
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|
1167 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \ |
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|
1168 template <> \ |
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|
1169 inline octave_int64 \ |
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|
1170 operator OP (const double& x, const octave_int64& y) \ |
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1171 { \ |
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|
1172 return octave_int64 (x OP static_cast<long double> (y.value ())); \ |
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1173 } \ |
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|
1174 template <> \ |
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|
1175 inline octave_uint64 \ |
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|
1176 operator OP (const double& x, const octave_uint64& y) \ |
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1177 { \ |
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|
1178 return octave_uint64 (x OP static_cast<long double> (y.value ())); \ |
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|
1179 } \ |
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1180 template <> \ |
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|
1181 inline octave_int64 \ |
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|
1182 operator OP (const octave_int64& x, const double& y) \ |
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1183 { \ |
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|
1184 return octave_int64 (static_cast<long double> (x.value ()) OP y); \ |
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1185 } \ |
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|
1186 template <> \ |
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1187 inline octave_uint64 \ |
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1188 operator OP (const octave_uint64& x, const double& y) \ |
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1189 { \ |
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1190 return octave_uint64 (static_cast<long double> (x.value ()) OP y); \ |
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1191 } |
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1192 #endif |
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1193 #else |
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1194 // external handlers |
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1195 #define OCTAVE_INT_DOUBLE_BIN_OP(OP, NAME) \ |
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1196 OCTAVE_INT_DOUBLE_BIN_OP0(OP) \ |
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1197 template <> \ |
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1198 OCTAVE_API octave_int64 \ |
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1199 operator OP (const double&, const octave_int64&); \ |
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1200 template <> \ |
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1201 OCTAVE_API octave_uint64 \ |
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1202 operator OP (const double&, const octave_uint64&); \ |
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1203 template <> \ |
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1204 OCTAVE_API octave_int64 \ |
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1205 operator OP (const octave_int64&, const double&); \ |
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1206 template <> \ |
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1207 OCTAVE_API octave_uint64 \ |
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1208 operator OP (const octave_uint64&, const double&); |
5072 | 1209 |
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1210 #endif |
5072 | 1211 |
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1212 OCTAVE_INT_DOUBLE_BIN_OP (+, add) |
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1213 OCTAVE_INT_DOUBLE_BIN_OP (-, sub) |
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1214 OCTAVE_INT_DOUBLE_BIN_OP (*, mul) |
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1215 OCTAVE_INT_DOUBLE_BIN_OP (/, div) |
5072 | 1216 |
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1217 #undef OCTAVE_INT_DOUBLE_BIN_OP0 |
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1218 #undef OCTAVE_INT_DOUBLE_BIN_OP |
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1219 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OP |
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1220 #undef DECLARE_EXTERNAL_LONG_DOUBLE_OPS |
5072 | 1221 |
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1222 #define OCTAVE_INT_DOUBLE_CMP_OP(OP,NAME) \ |
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|
1223 template <typename T> \ |
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1224 inline bool \ |
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|
1225 operator OP (const octave_int<T>& x, const double& y) \ |
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1226 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x.value (), y); } \ |
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1227 template <typename T> \ |
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1228 inline bool \ |
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|
1229 operator OP (const double& x, const octave_int<T>& y) \ |
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1230 { return octave_int_cmp_op::mop<octave_int_cmp_op::NAME> (x, y.value ()); } |
5072 | 1231 |
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|
1232 OCTAVE_INT_DOUBLE_CMP_OP (<, lt) |
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|
1233 OCTAVE_INT_DOUBLE_CMP_OP (<=, le) |
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1234 OCTAVE_INT_DOUBLE_CMP_OP (>=, ge) |
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|
1235 OCTAVE_INT_DOUBLE_CMP_OP (>, gt) |
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|
1236 OCTAVE_INT_DOUBLE_CMP_OP (==, eq) |
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|
1237 OCTAVE_INT_DOUBLE_CMP_OP (!=, ne) |
5072 | 1238 |
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1239 #undef OCTAVE_INT_DOUBLE_CMP_OP |
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|
1240 |
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|
1241 // Floats are handled by simply converting to doubles. |
5072 | 1242 |
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|
1243 #define OCTAVE_INT_FLOAT_BIN_OP(OP) \ |
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|
1244 template <typename T> \ |
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|
1245 inline octave_int<T> \ |
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|
1246 operator OP (const octave_int<T>& x, float y) \ |
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|
1247 { return x OP static_cast<double> (y); } \ |
21139
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|
1248 template <typename T> \ |
8169
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|
1249 inline octave_int<T> \ |
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|
1250 operator OP (float x, const octave_int<T>& y) \ |
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|
1251 { return static_cast<double> (x) OP y; } |
5072 | 1252 |
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|
1253 OCTAVE_INT_FLOAT_BIN_OP (+) |
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|
1254 OCTAVE_INT_FLOAT_BIN_OP (-) |
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|
1255 OCTAVE_INT_FLOAT_BIN_OP (*) |
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|
1256 OCTAVE_INT_FLOAT_BIN_OP (/) |
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|
1257 |
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|
1258 #undef OCTAVE_INT_FLOAT_BIN_OP |
5072 | 1259 |
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|
1260 #define OCTAVE_INT_FLOAT_CMP_OP(OP) \ |
21139
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|
1261 template <typename T> \ |
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|
1262 inline bool \ |
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|
1263 operator OP (const octave_int<T>& x, const float& y) \ |
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|
1264 { return x OP static_cast<double> (y); } \ |
21139
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|
1265 template <typename T> \ |
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|
1266 bool \ |
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|
1267 operator OP (const float& x, const octave_int<T>& y) \ |
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|
1268 { return static_cast<double> (x) OP y; } |
4902 | 1269 |
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|
1270 OCTAVE_INT_FLOAT_CMP_OP (<) |
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|
1271 OCTAVE_INT_FLOAT_CMP_OP (<=) |
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|
1272 OCTAVE_INT_FLOAT_CMP_OP (>=) |
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|
1273 OCTAVE_INT_FLOAT_CMP_OP (>) |
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|
1274 OCTAVE_INT_FLOAT_CMP_OP (==) |
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|
1275 OCTAVE_INT_FLOAT_CMP_OP (!=) |
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|
1276 |
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|
1277 #undef OCTAVE_INT_FLOAT_CMP_OP |
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|
1278 |
21139
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1279 template <typename T> |
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1280 octave_int<T> |
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|
1281 xmax (const octave_int<T>& x, const octave_int<T>& y) |
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|
1282 { |
18084
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|
1283 const T xv = x.value (); |
8e056300994b
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|
1284 const T yv = y.value (); |
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|
1285 return octave_int<T> (xv >= yv ? xv : yv); |
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|
1286 } |
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|
1287 |
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|
1288 template <typename T> |
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|
1289 octave_int<T> |
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|
1290 xmin (const octave_int<T>& x, const octave_int<T>& y) |
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1291 { |
18084
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|
1292 const T xv = x.value (); |
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|
1293 const T yv = y.value (); |
11586
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|
1294 return octave_int<T> (xv <= yv ? xv : yv); |
9743
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|
1295 } |
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|
1296 |
4902 | 1297 #endif |