octave: liboctave/numeric/lo-mappers.h annotate

annotate liboctave/numeric/lo-mappers.h @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, 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-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.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-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.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-fdm.cc, op-fm-fcm.cc, op-fm-fcs.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-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.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, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	796f54d4ddbf
children	aac27ad79be6

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	3 // Copyright (C) 1996-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	25
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20374 diff changeset	26 #if ! defined (octave_lo_mappers_h)
17822 ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files. Rik <rik@octave.org> parents: 17769 diff changeset	27 #define octave_lo_mappers_h 1
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	28
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21232 diff changeset	29 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21232 diff changeset	30
23662 bd77ab816e43 eliminate obsolete file lo-math.h John W. Eaton <jwe@octave.org> parents: 23619 diff changeset	31 #include <cmath>
bd77ab816e43 eliminate obsolete file lo-math.h John W. Eaton <jwe@octave.org> parents: 23619 diff changeset	32
11211 2554b4a0806e use templates for some lo-mappers functions John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	33 #include <limits>
2554b4a0806e use templates for some lo-mappers functions John W. Eaton <jwe@octave.org> parents: 11209 diff changeset	34
23443 3f1bf237908b maint: Eliminate <cfloat.h> header from liboctave files. Rik <rik@octave.org> parents: 23220 diff changeset	35 #include "lo-ieee.h"
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	36 #include "oct-cmplx.h"
22117 9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	37 #include "oct-inttypes-fwd.h"
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	38
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	39 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	40
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	41 OCTAVE_BEGIN_NAMESPACE(math)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	42
23619 6ed4d6e306ba maint: Deprecate is_NA and replace with isna. Rik <rik@octave.org> parents: 23615 diff changeset	43 extern OCTAVE_API bool isna (double x);
6ed4d6e306ba maint: Deprecate is_NA and replace with isna. Rik <rik@octave.org> parents: 23615 diff changeset	44 extern OCTAVE_API bool isna (float x);
6ed4d6e306ba maint: Deprecate is_NA and replace with isna. Rik <rik@octave.org> parents: 23615 diff changeset	45 extern OCTAVE_API bool isna (const Complex& x);
6ed4d6e306ba maint: Deprecate is_NA and replace with isna. Rik <rik@octave.org> parents: 23615 diff changeset	46 extern OCTAVE_API bool isna (const FloatComplex& x);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	47
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	48 extern OCTAVE_API bool is_NaN_or_NA (const Complex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	49 extern OCTAVE_API bool is_NaN_or_NA (const FloatComplex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	50
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	51 inline double copysign (double x, double y) { return std::copysign (x, y); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	52 inline float copysign (float x, float y) { return std::copysignf (x, y); }
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	53
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	54 inline double signbit (double x) { return std::signbit (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	55 inline float signbit (float x) { return std::signbit (x); }
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	56
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	57 // Test for negative sign.
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	58 extern OCTAVE_API bool negative_sign (double x);
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	59 extern OCTAVE_API bool negative_sign (float x);
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	60
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	61 // Test for positive sign.
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	62 inline bool positive_sign (double x) { return ! negative_sign (x); }
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	63 inline bool positive_sign (float x) { return ! negative_sign (x); }
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	64
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	65 extern OCTAVE_API Complex acos (const Complex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	66 extern OCTAVE_API FloatComplex acos (const FloatComplex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	67
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	68 extern OCTAVE_API Complex asin (const Complex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	69 extern OCTAVE_API FloatComplex asin (const FloatComplex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	70
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	71 inline Complex atan (const Complex& x) { return std::atan (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	72 inline FloatComplex atan (const FloatComplex& x) { return std::atan (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	73
23708 750e42a35adc Use imag, real, arg from std library for Complex types. Rik <rik@octave.org> parents: 23696 diff changeset	74 // The C++ standard would normally return a std::complex value for conj
23780 96e36ba3be65 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 23733 diff changeset	75 // even when the input is fully real. Octave overrides this.
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	76 inline double conj (double x) { return x; }
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	77 inline float conj (float x) { return x; }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	78
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	79 template <typename T>
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	80 std::complex<T>
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	81 conj (const std::complex<T>& x)
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	82 {
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	83 return std::conj (x);
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	84 }
edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	85
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	86 inline double log2 (double x) { return std::log2 (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	87 inline float log2 (float x) { return std::log2f (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	88
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	89 extern OCTAVE_API Complex log2 (const Complex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	90 extern OCTAVE_API FloatComplex log2 (const FloatComplex& x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	91
23815 4d11ada80395 Restore using gnulib wrapper for frexp until MinGW C library is fixed (bug #51630). Rik <rik@octave.org> parents: 23780 diff changeset	92 extern OCTAVE_API double log2 (double x, int& exp);
4d11ada80395 Restore using gnulib wrapper for frexp until MinGW C library is fixed (bug #51630). Rik <rik@octave.org> parents: 23780 diff changeset	93 extern OCTAVE_API float log2 (float x, int& exp);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	94
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	95 extern OCTAVE_API Complex log2 (const Complex& x, int& exp);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	96 extern OCTAVE_API FloatComplex log2 (const FloatComplex& x, int& exp);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	97
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	98 inline double exp2 (double x) { return std::exp2 (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	99 inline float exp2 (float x) { return std::exp2f (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	100
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	101 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	102 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	103 ceil (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	104 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	105 return std::complex<T> (std::ceil (std::real (x)),
1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	106 std::ceil (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	107 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	108
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	109 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	110 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	111 trunc (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	112 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	113 return std::complex<T> (std::trunc (std::real (x)),
1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	114 std::trunc (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	115 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	116
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	117 // Provide alias for trunc under the more familiar name of fix.
1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	118 inline double fix (double x) { return std::trunc (x); }
1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	119 inline float fix (float x) { return std::trunc (x); }
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	120
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	121 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	122 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	123 fix (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	124 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	125 return trunc (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	126 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	127
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	128 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	129 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	130 floor (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	131 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	132 return std::complex<T> (std::floor (std::real (x)),
1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	133 std::floor (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	134 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	135
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	136 inline double round (double x) { return std::round (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	137 inline float round (float x) { return std::roundf (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	138
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	139 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	140 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	141 round (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	142 {
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	143 return std::complex<T> (round (std::real (x)), round (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	144 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	145
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	146 inline double
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	147 roundb (double x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	148 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	149 double t = round (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	150
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	151 if (fabs (x - t) == 0.5)
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	152 t = 2 * std::trunc (0.5 * t);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	153
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	154 return t;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	155 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	156
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	157 inline float
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	158 roundb (float x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	159 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	160 float t = round (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	161
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	162 if (fabsf (x - t) == 0.5f)
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	163 t = 2 * std::trunc (0.5f * t);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	164
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	165 return t;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	166 }
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7789 diff changeset	167
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	168 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	169 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	170 roundb (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	171 {
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	172 return std::complex<T> (roundb (std::real (x)), roundb (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	173 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	174
23815 4d11ada80395 Restore using gnulib wrapper for frexp until MinGW C library is fixed (bug #51630). Rik <rik@octave.org> parents: 23780 diff changeset	175 extern OCTAVE_API double frexp (double x, int *expptr);
4d11ada80395 Restore using gnulib wrapper for frexp until MinGW C library is fixed (bug #51630). Rik <rik@octave.org> parents: 23780 diff changeset	176 extern OCTAVE_API float frexp (float x, int *expptr);
22079 e0dbd81fd9b1 provide wrapper for frexp and frexpf (bug #48363) Mike Miller <mtmiller@octave.org> parents: 21937 diff changeset	177
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	178 inline bool isnan (bool) { return false; }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	179 inline bool isnan (char) { return false; }
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	180
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	181 inline bool isnan (double x) { return std::isnan (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	182 inline bool isnan (float x) { return std::isnan (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	183
23708 750e42a35adc Use imag, real, arg from std library for Complex types. Rik <rik@octave.org> parents: 23696 diff changeset	184 // FIXME: Do we need the isnan overload for complex?
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	185 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	186 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	187 isnan (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	188 {
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	189 return (isnan (std::real (x)) \|\| isnan (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	190 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	191
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	192 inline bool isfinite (double x) { return std::isfinite (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	193 inline bool isfinite (float x) { return std::isfinite (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	194
23708 750e42a35adc Use imag, real, arg from std library for Complex types. Rik <rik@octave.org> parents: 23696 diff changeset	195 // FIXME: Do we need isfinite overload for complex?
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	196 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	197 bool
23564 7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	198 isfinite (const std::complex<T>& x)
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	199 {
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	200 return (isfinite (std::real (x)) && isfinite (std::imag (x)));
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	201 }
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	202
23665 90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	203 inline bool isinf (double x) { return std::isinf (x); }
90fdfe448ae6 Promote simple functions from lo-mappers.cc to inline versions in lo-mappers.h Rik <rik@octave.org> parents: 23662 diff changeset	204 inline bool isinf (float x) { return std::isinf (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	205
28644 ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	206 template <typename T>
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	207 bool
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	208 isinf (const octave_int<T>&)
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	209 {
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	210 return false;
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	211 }
ef0775fdab2c provide template for isinf (const octave_int<T>&) John W. Eaton <jwe@octave.org> parents: 27923 diff changeset	212
23708 750e42a35adc Use imag, real, arg from std library for Complex types. Rik <rik@octave.org> parents: 23696 diff changeset	213 // FIXME: Do we need isinf overload for complex?
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	214 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	215 bool
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	216 isinf (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	217 {
22274 edcad35c364f don't rely on std:: overloads of arg, conj, imag, and real for real args John W. Eaton <jwe@octave.org> parents: 22117 diff changeset	218 return (isinf (std::real (x)) \|\| isinf (std::imag (x)));
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	219 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	220
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	221 // Some useful tests, that are commonly repeated.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	222 // Test for a finite integer.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	223
23708 750e42a35adc Use imag, real, arg from std library for Complex types. Rik <rik@octave.org> parents: 23696 diff changeset	224 // FIXME: Benchmark whether trunc might be faster than round here.
23564 7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	225 inline bool isinteger (double x) { return isfinite (x) && x == round (x); }
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite. Rik <rik@octave.org> parents: 23477 diff changeset	226 inline bool isinteger (float x) { return isfinite (x) && x == round (x); }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	227
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	228 inline double
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	229 signum (double x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	230 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	231 double tmp = 0.0;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	232
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	233 if (x < 0.0)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	234 tmp = -1.0;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	235 else if (x > 0.0)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	236 tmp = 1.0;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	237
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23682 diff changeset	238 return isnan (x) ? numeric_limits<double>::NaN () : tmp;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	239 }
3248 68259f410026 [project @ 1999-07-13 03:34:54 by jwe] jwe parents: 3156 diff changeset	240
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	241 inline float
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	242 signum (float x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	243 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	244 float tmp = 0.0f;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	245
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	246 if (x < 0.0f)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	247 tmp = -1.0f;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	248 else if (x > 0.0f)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	249 tmp = 1.0f;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	250
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23682 diff changeset	251 return isnan (x) ? numeric_limits<float>::NaN () : tmp;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	252 }
21937 55f7de37b618 maint: Strip trailing whitespace from source files. John W. Eaton <jwe@octave.org> parents: 21812 diff changeset	253
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	254 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	255 std::complex<T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	256 signum (const std::complex<T>& x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	257 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	258 T tmp = abs (x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	259
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	260 return tmp == 0 ? 0.0 : x / tmp;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	261 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	262
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	263 // Convert X to the nearest integer value. Should not pass NaN to
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	264 // this function.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	265
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	266 // For integer types? Hmm. Need to be sure T is an integer type...
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	267 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	268 T
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	269 x_nint (T x)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	270 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	271 return x;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	272 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	273
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	274 template <>
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	275 inline double x_nint (double x)
d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	276 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	277 return (isfinite (x) ? std::floor (x + 0.5) : x);
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	278 }
d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	279
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	280 template <>
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	281 inline float x_nint (float x)
d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	282 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	283 return (isfinite (x) ? std::floor (x + 0.5f) : x);
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23443 diff changeset	284 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	285
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	286 extern OCTAVE_API octave_idx_type nint_big (double x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	287 extern OCTAVE_API octave_idx_type nint_big (float x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	288
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	289 extern OCTAVE_API int nint (double x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	290 extern OCTAVE_API int nint (float x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	291
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	292 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	293 T
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	294 mod (T x, T y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	295 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	296 T retval;
4025 cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe] jwe parents: 3777 diff changeset	297
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	298 if (y == 0)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	299 retval = x;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	300 else
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	301 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	302 T q = x / y;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	303
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	304 if (x_nint (y) != y
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	305 && (std::abs ((q - x_nint (q)) / x_nint (q))
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	306 < std::numeric_limits<T>::epsilon ()))
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	307 retval = 0;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	308 else
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	309 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	310 T n = std::floor (q);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	311
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	312 // Prevent use of extra precision.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	313 volatile T tmp = y * n;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	314
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	315 retval = x - tmp;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	316 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	317 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	318
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	319 if (x != y && y != 0)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	320 retval = copysign (retval, y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	321
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	322 return retval;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	323 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	324
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	325 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	326 T
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	327 rem (T x, T y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	328 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	329 T retval;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	330
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	331 if (y == 0)
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23682 diff changeset	332 retval = numeric_limits<T>::NaN ();
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	333 else
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	334 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	335 T q = x / y;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	336
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	337 if (x_nint (y) != y
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	338 && (std::abs ((q - x_nint (q)) / x_nint (q))
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	339 < std::numeric_limits<T>::epsilon ()))
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	340 retval = 0;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	341 else
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	342 {
23726 1147e5c912aa Remove unnecessary octave::math::(ceil,trunc,floor) declarations. Rik <rik@octave.org> parents: 23708 diff changeset	343 T n = std::trunc (q);
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	344
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	345 // Prevent use of extra precision.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	346 volatile T tmp = y * n;
11212 ce27d6f4e134 use templates and inline for more lo-mappers functionos John W. Eaton <jwe@octave.org> parents: 11211 diff changeset	347
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	348 retval = x - tmp;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	349 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	350 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	351
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	352 if (x != y && y != 0)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	353 retval = copysign (retval, x);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	354
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	355 return retval;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	356 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	357
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	358 // Generic min, max definitions
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	359 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	360 T
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	361 min (T x, T y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	362 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	363 return x <= y ? x : y;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	364 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	365
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	366 template <typename T>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	367 T
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	368 max (T x, T y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	369 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	370 return x >= y ? x : y;
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	371 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	372
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	373 // This form is favorable. GCC will translate (x <= y ? x : y) without a
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	374 // jump, hence the only conditional jump involved will be the first
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	375 // (isnan), infrequent and hence friendly to branch prediction.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	376
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	377 inline double
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	378 min (double x, double y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	379 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	380 return isnan (y) ? x : (x <= y ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	381 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	382
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	383 inline double
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	384 max (double x, double y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	385 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	386 return isnan (y) ? x : (x >= y ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	387 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	388
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	389 inline float
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	390 min (float x, float y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	391 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	392 return isnan (y) ? x : (x <= y ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	393 }
10268 9a16a61ed43d new optimizations for accumarray Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	394
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	395 inline float
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	396 max (float x, float y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	397 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	398 return isnan (y) ? x : (x >= y ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	399 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	400
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	401 inline std::complex<double>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	402 min (const std::complex<double>& x, const std::complex<double>& y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	403 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	404 return abs (x) <= abs (y) ? x : (isnan (x) ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	405 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	406
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	407 inline std::complex<float>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	408 min (const std::complex<float>& x, const std::complex<float>& y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	409 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	410 return abs (x) <= abs (y) ? x : (isnan (x) ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	411 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	412
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	413 inline std::complex<double>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	414 max (const std::complex<double>& x, const std::complex<double>& y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	415 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	416 return abs (x) >= abs (y) ? x : (isnan (x) ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	417 }
11212 ce27d6f4e134 use templates and inline for more lo-mappers functionos John W. Eaton <jwe@octave.org> parents: 11211 diff changeset	418
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	419 inline std::complex<float>
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	420 max (const std::complex<float>& x, const std::complex<float>& y)
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	421 {
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	422 return abs (x) >= abs (y) ? x : (isnan (x) ? x : y);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	423 }
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	424
22117 9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	425 template <typename T>
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	426 inline octave_int<T>
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	427 min (const octave_int<T>& x, const octave_int<T>& y)
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	428 {
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	429 return xmin (x, y);
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	430 }
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	431
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	432 template <typename T>
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	433 inline octave_int<T>
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	434 max (const octave_int<T>& x, const octave_int<T>& y)
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	435 {
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	436 return xmax (x, y);
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	437 }
9b832e9caae6 define forwarding functions for octave_int<T> xmin and xmax (bug #48139) John W. Eaton <jwe@octave.org> parents: 22079 diff changeset	438
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	439 // These map reals to Complex.
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	440
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	441 extern OCTAVE_API Complex rc_acos (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	442 extern OCTAVE_API FloatComplex rc_acos (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	443
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	444 extern OCTAVE_API Complex rc_acosh (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	445 extern OCTAVE_API FloatComplex rc_acosh (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	446
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	447 extern OCTAVE_API Complex rc_asin (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	448 extern OCTAVE_API FloatComplex rc_asin (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	449
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	450 extern OCTAVE_API Complex rc_atanh (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	451 extern OCTAVE_API FloatComplex rc_atanh (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	452
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	453 extern OCTAVE_API Complex rc_log (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	454 extern OCTAVE_API FloatComplex rc_log (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	455
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	456 extern OCTAVE_API Complex rc_log2 (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	457 extern OCTAVE_API FloatComplex rc_log2 (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	458
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	459 extern OCTAVE_API Complex rc_log10 (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	460 extern OCTAVE_API FloatComplex rc_log10 (float);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	461
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	462 extern OCTAVE_API Complex rc_sqrt (double);
2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	463 extern OCTAVE_API FloatComplex rc_sqrt (float);
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	464
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	465 OCTAVE_END_NAMESPACE(math)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	466 OCTAVE_END_NAMESPACE(octave)
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	467
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	468 #endif

Mercurial > octave

annotate liboctave/numeric/lo-mappers.h @ 31605:e88a07dec498 stable