octave: liboctave/util/lo-ieee.cc annotate

annotate liboctave/util/lo-ieee.cc @ 21202:f7121e111991

maint: indent #ifdef blocks in liboctave and src directories. * 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, CSparse.h, DiagArray2.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dSparse.h, dim-vector.cc, 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, intNDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc, quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc, CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc, dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc, dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc, fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc, fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc, floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc, floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc, oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc, oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, 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-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.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-refcount.h, oct-rl-edit.c, oct-rl-hist.c, 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, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h: indent #ifdef blocks in liboctave and src directories.

author	Rik <rik@octave.org>
date	Sat, 06 Feb 2016 06:40:13 -0800
parents	7cac4e7458f2
children	40de9f8f23a6

rev	line source
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	1 /*
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19326 diff changeset	3 Copyright (C) 1996-2015 John W. Eaton
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	4
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	6
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	10 option) any later version.
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	11
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	15 for more details.
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	16
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	19 <http://www.gnu.org/licenses/>.
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	20
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	21 */
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	22
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
21202 f7121e111991 maint: indent #ifdef blocks in liboctave and src directories. Rik <rik@octave.org> parents: 21136 diff changeset	24 # include <config.h>
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	25 #endif
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	26
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	27 #include <cfloat>
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	28 #include <cmath>
9592 5828d64ca004 lo-ieee.cc: include cstdlib, update copyright date John W. Eaton <jwe@octave.org> parents: 9591 diff changeset	29 #include <cstdlib>
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	30
11234 2718e1fdf82f IEEE math initialization tweaks John W. Eaton <jwe@octave.org> parents: 11230 diff changeset	31 #include <limits>
2508 f8d5dbbbc50a [project @ 1996-11-13 17:21:07 by jwe] jwe parents: 1993 diff changeset	32
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	33 static double lo_inf;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	34 static double lo_nan;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	35 static double lo_na;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	36
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	37 static float lo_float_inf;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	38 static float lo_float_nan;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	39 static float lo_float_na;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	40
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	41 static int lo_ieee_hw;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	42 static int lo_ieee_lw;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	43
4698 737fd5c0ae06 [project @ 2004-01-19 19:25:26 by jwe] jwe parents: 4603 diff changeset	44 #include "lo-error.h"
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	45 #include "lo-ieee.h"
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	46 #include "lo-math.h"
4025 cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe] jwe parents: 3475 diff changeset	47 #include "mach-info.h"
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	48
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	49 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	50 __lo_ieee_isnan (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	51 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	52 #if defined (HAVE_CMATH_ISNAN)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	53 return std::isnan (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	54 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	55 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	56 return isnan (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	57 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	58 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	59
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	60 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	61 __lo_ieee_finite (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	62 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	63 #if defined (HAVE_CMATH_ISFINITE)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	64 return std::isfinite (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	65 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	66 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	67 return finite (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	68 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	69 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	70
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	71 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	72 __lo_ieee_isinf (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	73 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	74 #if defined (HAVE_CMATH_ISINF)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	75 return std::isinf (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	76 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	77 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	78 return isinf (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	79 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	80 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	81
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	82 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	83 __lo_ieee_is_NA (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	84 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	85 lo_ieee_double t;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	86 t.value = x;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	87 return (__lo_ieee_isnan (x) && t.word[lo_ieee_hw] == LO_IEEE_NA_HW
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	88 && t.word[lo_ieee_lw] == LO_IEEE_NA_LW) ? 1 : 0;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	89 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	90
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	91 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	92 __lo_ieee_is_old_NA (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	93 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	94 lo_ieee_double t;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	95 t.value = x;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	96 return (__lo_ieee_isnan (x) && t.word[lo_ieee_lw] == LO_IEEE_NA_LW_OLD
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	97 && t.word[lo_ieee_hw] == LO_IEEE_NA_HW_OLD) ? 1 : 0;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	98 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	99
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	100 double
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	101 __lo_ieee_replace_old_NA (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	102 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	103 if (__lo_ieee_is_old_NA (x))
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	104 return lo_ieee_na_value ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	105 else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	106 return x;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	107 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	108
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	109 double
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	110 lo_ieee_inf_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	111 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	112 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	113
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	114 return lo_inf;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	115 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	116
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	117 double
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	118 lo_ieee_na_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	119 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	120 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	121
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	122 return lo_na;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	123 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	124
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	125 double
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	126 lo_ieee_nan_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	127 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	128 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	129
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	130 return lo_nan;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	131 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	132
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	133 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	134 __lo_ieee_signbit (double x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	135 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	136 #if defined (HAVE_CMATH_SIGNBIT)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	137 return std::signbit (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	138 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	139 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	140 return signbit (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	141 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	142 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	143
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	144 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	145 __lo_ieee_float_isnan (float x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	146 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	147 #if defined (HAVE_CMATH_ISNAN)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	148 return std::isnan (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	149 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	150 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	151 return isnan (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	152 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	153 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	154
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	155 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	156 __lo_ieee_float_finite (float x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	157 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	158 #if defined (HAVE_CMATH_ISFINITE)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	159 return std::isfinite (x) != 0 && ! __lo_ieee_float_isnan (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	160 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	161 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	162 return finite (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	163 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	164 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	165
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	166 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	167 __lo_ieee_float_isinf (float x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	168 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	169 #if defined (HAVE_CMATH_ISINF)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	170 return std::isinf (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	171 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	172 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	173 return isinf (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	174 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	175 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	176
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	177 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	178 __lo_ieee_float_is_NA (float x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	179 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	180 lo_ieee_float t;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	181 t.value = x;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	182 return (__lo_ieee_float_isnan (x) && (t.word == LO_IEEE_NA_FLOAT)) ? 1 : 0;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	183 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	184
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	185 float
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	186 lo_ieee_float_inf_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	187 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	188 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	189
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	190 return lo_float_inf;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	191 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	192
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	193 float
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	194 lo_ieee_float_na_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	195 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	196 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	197
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	198 return lo_float_na;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	199 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	200
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	201 float
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	202 lo_ieee_float_nan_value (void)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	203 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	204 octave_ieee_init ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	205
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	206 return lo_float_nan;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	207 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	208
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	209 int
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	210 __lo_ieee_float_signbit (float x)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	211 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	212 #if defined (HAVE_CMATH_SIGNBIT)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	213 return std::signbit (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	214 #else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	215 // Gnulib provides.
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	216 return signbit (x);
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	217 #endif
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	218 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	219
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	220 void
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	221 octave_ieee_init (void)
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	222 {
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	223 bool initialized = false;
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	224
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	225 if (! initialized)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	226 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	227 oct_mach_info::float_format ff = oct_mach_info::native_float_format ();
4698 737fd5c0ae06 [project @ 2004-01-19 19:25:26 by jwe] jwe parents: 4603 diff changeset	228
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	229 switch (ff)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	230 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	231 case oct_mach_info::flt_fmt_ieee_big_endian:
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	232 case oct_mach_info::flt_fmt_ieee_little_endian:
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	233 {
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	234 lo_nan = std::numeric_limits<double>::quiet_NaN ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	235 lo_inf = std::numeric_limits<double>::infinity ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	236
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	237 lo_float_nan = std::numeric_limits<float>::quiet_NaN ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	238 lo_float_inf = std::numeric_limits<float>::infinity ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	239
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	240 // The following is patterned after code in R.
4025 cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe] jwe parents: 3475 diff changeset	241
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	242 if (ff == oct_mach_info::flt_fmt_ieee_big_endian)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	243 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	244 lo_ieee_hw = 0;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	245 lo_ieee_lw = 1;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	246 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	247 else
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	248 {
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	249 lo_ieee_hw = 1;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	250 lo_ieee_lw = 0;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	251 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7231 diff changeset	252
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	253 lo_ieee_double t;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	254 t.word[lo_ieee_hw] = LO_IEEE_NA_HW;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	255 t.word[lo_ieee_lw] = LO_IEEE_NA_LW;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	256
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	257 lo_na = t.value;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	258
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	259 lo_ieee_float tf;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	260 tf.word = LO_IEEE_NA_FLOAT;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	261
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	262 lo_float_na = tf.value;
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	263 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	264 break;
4025 cfb762dc9259 [project @ 2002-08-09 06:32:15 by jwe] jwe parents: 3475 diff changeset	265
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	266 default:
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	267 // If the format is unknown, then you will probably not have a
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	268 // useful system, so we will abort here. Anyone wishing to
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	269 // experiment with building Octave on a system without IEEE
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	270 // floating point should be capable of removing this check and
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	271 // the configure test.
21136 7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler. Rik <rik@octave.org> parents: 19697 diff changeset	272 // FIXME: Should this be a warning so that abort is reached?
18540 89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	273 (*current_liboctave_error_handler)
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	274 ("lo_ieee_init: floating point format is not IEEE! Maybe DLAMCH is miscompiled, or you are using some strange system without IEEE floating point math?");
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	275 abort ();
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	276 }
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	277
89bd70fae066 fix initialization problem for Inf, NaN, and NA values (bug #41667) John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	278 initialized = true;
4601 1ed6cfbc8ea4 [project @ 2003-11-12 18:30:29 by jwe] jwe parents: 4574 diff changeset	279 }
1967 4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: diff changeset	280 }

Mercurial > octave

annotate liboctave/util/lo-ieee.cc @ 21202:f7121e111991