annotate lib/truncl.c @ 40196:e63f5d3edab5

relocatable-prog: Update documentation. * doc/relocatable-maint.texi (Supporting Relocation): Update to match the recent changes.
author Bruno Haible <bruno@clisp.org>
date Sun, 24 Feb 2019 01:49:15 +0100
parents b06060465f09
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
1 /* Round towards zero.
40057
b06060465f09 maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents: 19484
diff changeset
2 Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc.
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
3
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 9287
diff changeset
4 This program is free software: you can redistribute it and/or modify
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
5 it under the terms of the GNU General Public License as published by
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 9287
diff changeset
6 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 9287
diff changeset
7 (at your option) any later version.
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
8
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
9 This program is distributed in the hope that it will be useful,
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
12 GNU General Public License for more details.
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
13
9309
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents: 9287
diff changeset
14 You should have received a copy of the GNU General Public License
19190
9759915b2aca all: prefer https: URLs
Paul Eggert <eggert@cs.ucla.edu>
parents: 18626
diff changeset
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
9287
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
16
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
ec7800681aff New module 'truncl'.
Bruno Haible <bruno@clisp.org>
parents:
diff changeset
18
15926
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
19 #include <config.h>
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
20
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
21 #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
22
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
23 /* Specification. */
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
24 # include <math.h>
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
25
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
26 long double
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
27 truncl (long double x)
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
28 {
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
29 return trunc (x);
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
30 }
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
31
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
32 #else
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
33
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
34 # define USE_LONG_DOUBLE
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
35 # include "trunc.c"
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
36
23d150bba2eb truncl: Simplify for platforms where 'long double' == 'double'.
Bruno Haible <bruno@clisp.org>
parents: 14079
diff changeset
37 #endif