Mercurial > hg > octave-lojdl > gnulib-hg
annotate lib/modff.c @ 17464:290d581e2e24
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| author | Karl Berry <karl@freefriends.org> |
|---|---|
| date | Sat, 10 Aug 2013 07:10:55 -0700 |
| parents | e542fd46ad6f |
| children |
| rev | line source |
|---|---|
| 15838 | 1 /* Get signed integer and fractional parts of a floating-point number. |
|
17249
e542fd46ad6f
maint: update all copyright year number ranges
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
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2 Copyright (C) 2011-2013 Free Software Foundation, Inc. |
| 15838 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 #include <config.h> | |
| 18 | |
| 19 /* Specification. */ | |
| 20 #include <math.h> | |
| 21 | |
| 22 float | |
| 23 modff (float x, float *iptr) | |
| 24 { | |
| 25 double i; | |
| 26 double frac = modf ((double) x, &i); | |
| 27 *iptr = (float) i; | |
| 28 return (float) frac; | |
| 29 } |