octave: liboctave/system/mach-info.cc annotate

annotate liboctave/system/mach-info.cc @ 23457:21baad6b35c4

maint: Use C++11 nullptr rather than 0 or NULL when possible. * FigureWindow.h, Logger.cc, Menu.cc, MouseModeActionGroup.h, Object.h, ObjectFactory.cc, ObjectProxy.h, color-picker.h, documentation-dock-widget.h, files-dock-widget.h, find-files-dialog.h, history-dock-widget.h, file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.h, main-window.cc, main-window.h, octave-dock-widget.h, parser.cc, parser.h, webinfo.h, resource-manager.cc, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.h, workspace-view.h, __magick_read__.cc, call-stack.cc, call-stack.h, cdisplay.c, display.cc, dlmread.cc, dynamic-ld.cc, ft-text-renderer.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, input.h, interpreter.cc, interpreter.h, ls-hdf5.cc, mex.cc, mxarray.in.h, oct-errno.in.cc, oct-fstrm.cc, oct-iostrm.h, oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-stream.h, octave-link.cc, pager.cc, pr-output.cc, profiler.h, qz.cc, sighandlers.cc, strfns.cc, symtab.cc, symtab.h, typecast.cc, urlwrite.cc, variables.cc, __eigs__.cc, __init_fltk__.cc, __ode15__.cc, colamd.cc, ov-base-int.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-class.cc, ov-classdef.cc, ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, octave.cc, octave.h, bp-table.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h, pt-arg-list.cc, pt-arg-list.h, pt-array-list.h, pt-cell.h, pt-classdef.h, pt-colon.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.h, pt-idx.h, pt-jit.cc, pt-jit.h, pt-loop.h, pt-mat.h, pt-select.h, pt.h, CSparse.cc, dSparse.cc, DASPK.cc, DASRT.cc, DASSL.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc, child-list.cc, file-ops.cc, mach-info.cc, oct-env.cc, oct-time.cc, cmd-edit.cc, cmd-hist.cc, oct-locbuf.cc, oct-shlib.cc, pathsearch.cc, singleton-cleanup.cc, unwind-prot.h, url-transfer.cc: Use C++11 nullptr rather than 0 or NULL when possible.

author	Rik <rik@octave.org>
date	Fri, 28 Apr 2017 13:19:12 -0700
parents	41dcc5c1e41f
children	a732be902061

rev	line source
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	1 /*
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	2
23219 3ac9f9ecfae5 maint: Update copyright dates. John W. Eaton <jwe@octave.org> parents: 23083 diff changeset	3 Copyright (C) 1996-2017 John W. Eaton
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	4
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	6
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	10 (at your option) any later version.
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22402 diff changeset	15 GNU General Public License for more details.
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	16
285a7f683a4c [project @ 1996-02-16 04:03:01 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: 5775 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: 5775 diff changeset	19 <http://www.gnu.org/licenses/>.
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	20
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	21 */
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	22
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	23 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21202 diff changeset	24 # include "config.h"
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	25 #endif
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	26
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	27 #include "f77-fcn.h"
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	28 #include "lo-error.h"
8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	29 #include "mach-info.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	30 #include "singleton-cleanup.h"
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	31
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	32 extern "C"
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	33 {
23388 41dcc5c1e41f * mach-info.cc: Fix declaration of d1mach. John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	34 double F77_FUNC (d1mach, D1MACH) (const F77_INT&);
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	35 }
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	36
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	37 namespace octave
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	38 {
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23388 diff changeset	39 mach_info *mach_info::instance = nullptr;
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	40
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	41 union equiv
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	42 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	43 double d;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	44 int i[2];
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	45 };
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	46
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	47 struct
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	48 float_params
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	49 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	50 mach_info::float_format fp_fmt;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	51 equiv fp_par[4];
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	52 };
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	53
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	54 #define INIT_FLT_PAR(fp, fmt, sm1, sm2, lrg1, lrg2, rt1, rt2, dv1, dv2) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	55 do \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	56 { \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	57 fp.fp_fmt = (fmt); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	58 fp.fp_par[0].i[0] = (sm1); fp.fp_par[0].i[1] = (sm2); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	59 fp.fp_par[1].i[0] = (lrg1); fp.fp_par[1].i[1] = (lrg2); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	60 fp.fp_par[2].i[0] = (rt1); fp.fp_par[2].i[1] = (rt2); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	61 fp.fp_par[3].i[0] = (dv1); fp.fp_par[3].i[1] = (dv2); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	62 } \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21739 diff changeset	63 while (0)
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	64
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	65 static int
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	66 equiv_compare (const equiv std, const equiv v, int len)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	67 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	68 int i;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	69 for (i = 0; i < len; i++)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	70 if (v[i].i[0] != std[i].i[0] \|\| v[i].i[1] != std[i].i[1])
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	71 return 0;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	72 return 1;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	73 }
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	74
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	75 static mach_info::float_format
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	76 get_float_format (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	77 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	78 mach_info::float_format retval = mach_info::flt_fmt_unknown;
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	79
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	80 float_params fp[5];
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	81
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	82 INIT_FLT_PAR (fp[0], mach_info::flt_fmt_ieee_big_endian,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	83 1048576, 0,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	84 2146435071, -1,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	85 1017118720, 0,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	86 1018167296, 0);
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	87
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	88 INIT_FLT_PAR (fp[1], mach_info::flt_fmt_ieee_little_endian,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	89 0, 1048576,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	90 -1, 2146435071,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	91 0, 1017118720,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	92 0, 1018167296);
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	93
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	94 INIT_FLT_PAR (fp[4], mach_info::flt_fmt_unknown,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	95 0, 0,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	96 0, 0,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	97 0, 0,
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	98 0, 0);
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	99
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	100 equiv mach_fp_par[4];
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	101
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	102 mach_fp_par[0].d = F77_FUNC (d1mach, D1MACH) (1);
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	103 mach_fp_par[1].d = F77_FUNC (d1mach, D1MACH) (2);
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	104 mach_fp_par[2].d = F77_FUNC (d1mach, D1MACH) (3);
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	105 mach_fp_par[3].d = F77_FUNC (d1mach, D1MACH) (4);
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	106
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	107 int i = 0;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	108 do
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	109 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	110 if (equiv_compare (fp[i].fp_par, mach_fp_par, 4))
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	111 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	112 retval = fp[i].fp_fmt;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	113 break;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	114 }
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	115 }
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	116 while (fp[++i].fp_fmt != mach_info::flt_fmt_unknown);
4605 c430e537efad [project @ 2003-11-13 04:46:25 by jwe] jwe parents: 4574 diff changeset	117
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	118 return retval;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	119 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	120
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	121 static bool
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	122 ten_little_endians (void)
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	123 {
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	124 // Are we little or big endian? From Harbison & Steele.
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	125
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	126 union
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	127 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	128 long l;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	129 char c[sizeof (long)];
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	130 } u;
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	131
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	132 u.l = 1;
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	133
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	134 return (u.c[sizeof (long) - 1] == 1);
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	135 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	136
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	137 mach_info::mach_info (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	138 : native_float_fmt (get_float_format ()),
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	139 big_chief (ten_little_endians ()) { }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	140
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	141 bool
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	142 mach_info::instance_ok (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	143 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	144 bool retval = true;
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	145
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	146 if (! instance)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	147 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	148 instance = new mach_info ();
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	149
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	150 if (instance)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	151 singleton_cleanup_list::add (cleanup_instance);
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	152 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	153
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	154 if (! instance)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	155 (*current_liboctave_error_handler)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	156 ("unable to create command history object!");
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	157
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	158 return retval;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	159 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	160
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	161 mach_info::float_format
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	162 mach_info::native_float_format (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	163 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	164 return (instance_ok ())
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	165 ? instance->native_float_fmt : mach_info::flt_fmt_unknown;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	166 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	167
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	168 bool
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	169 mach_info::words_big_endian (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	170 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	171 return (instance_ok ())
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	172 ? instance->big_chief : false;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	173 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	174
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	175 bool
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	176 mach_info::words_little_endian (void)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	177 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	178 return (instance_ok ())
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	179 ? (! instance->big_chief) : false;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	180 }
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	181
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	182 mach_info::float_format
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	183 mach_info::string_to_float_format (const std::string& s)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	184 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	185 mach_info::float_format retval = mach_info::flt_fmt_unknown;
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	186
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	187 if (s == "native" \|\| s == "n")
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	188 retval = mach_info::native_float_format ();
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	189 else if (s == "ieee-be" \|\| s == "b")
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	190 retval = mach_info::flt_fmt_ieee_big_endian;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	191 else if (s == "ieee-le" \|\| s == "l")
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	192 retval = mach_info::flt_fmt_ieee_little_endian;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	193 else if (s == "unknown")
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	194 retval = mach_info::flt_fmt_unknown;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	195 else
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	196 (*current_liboctave_error_handler) ("invalid architecture type specified");
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	197
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	198 return retval;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	199 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	200
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	201 std::string
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	202 mach_info::float_format_as_string (float_format flt_fmt)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	203 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	204 std::string retval = "unknown";
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	205
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	206 switch (flt_fmt)
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	207 {
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	208 case flt_fmt_ieee_big_endian:
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	209 retval = "ieee-be";
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	210 break;
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	211
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	212 case flt_fmt_ieee_little_endian:
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	213 retval = "ieee-le";
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	214 break;
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	215
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	216 default:
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	217 break;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	218 }
2317 8c09c04f7747 [project @ 1996-07-14 22:30:15 by jwe] jwe parents: 1993 diff changeset	219
21739 c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	220 return retval;
c4ab2e54f100 use namespace for oct_mach_info class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	221 }
1960 285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe] jwe parents: diff changeset	222 }

Mercurial > octave

annotate liboctave/system/mach-info.cc @ 23457:21baad6b35c4