projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 644cb69f | 1 | /* Implementation of the NEAREST intrinsic |
| 36ae8a61 | 2 | Copyright 2003, 2007 Free Software Foundation, Inc. |
| 644cb69f FXC |
3 | Contributed by Richard Henderson <rth@redhat.com>. |
| 4 | ||
| 5 | This file is part of the GNU Fortran 95 runtime library (libgfortran). | |
| 6 | ||
| 7 | Libgfortran is free software; you can redistribute it and/or | |
| 8 | modify it under the terms of the GNU General Public | |
| 9 | License as published by the Free Software Foundation; either | |
| 10 | version 2 of the License, or (at your option) any later version. | |
| 11 | ||
| 12 | In addition to the permissions in the GNU General Public License, the | |
| 13 | Free Software Foundation gives you unlimited permission to link the | |
| 14 | compiled version of this file into combinations with other programs, | |
| 15 | and to distribute those combinations without any restriction coming | |
| 16 | from the use of this file. (The General Public License restrictions | |
| 17 | do apply in other respects; for example, they cover modification of | |
| 18 | the file, and distribution when not linked into a combine | |
| 19 | executable.) | |
| 20 | ||
| 21 | Libgfortran is distributed in the hope that it will be useful, | |
| 22 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 24 | GNU General Public License for more details. | |
| 25 | ||
| 26 | You should have received a copy of the GNU General Public | |
| 27 | License along with libgfortran; see the file COPYING. If not, | |
| 28 | write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 29 | Boston, MA 02110-1301, USA. */ | |
| 30 | ||
| 644cb69f FXC |
31 | #include "libgfortran.h" |
| 32 | ||
| 33 | ||
| 34 | #if defined (HAVE_GFC_REAL_16) && defined (HAVE_COPYSIGNL) && defined (HAVE_NEXTAFTERL) | |
| 35 | ||
| 36 | extern GFC_REAL_16 nearest_r16 (GFC_REAL_16 s, GFC_REAL_16 dir); | |
| 37 | export_proto(nearest_r16); | |
| 38 | ||
| 39 | GFC_REAL_16 | |
| 40 | nearest_r16 (GFC_REAL_16 s, GFC_REAL_16 dir) | |
| 41 | { | |
| 42 | dir = copysignl (__builtin_infl (), dir); | |
| 43 | if (FLT_EVAL_METHOD != 0) | |
| 44 | { | |
| 45 | /* ??? Work around glibc bug on x86. */ | |
| 46 | volatile GFC_REAL_16 r = nextafterl (s, dir); | |
| 47 | return r; | |
| 48 | } | |
| 49 | else | |
| 50 | return nextafterl (s, dir); | |
| 51 | } | |
| 52 | ||
| 53 | #endif |