diff options
Diffstat (limited to 'libgfortran/generated/nearest_r8.c')
-rw-r--r-- | libgfortran/generated/nearest_r8.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libgfortran/generated/nearest_r8.c b/libgfortran/generated/nearest_r8.c new file mode 100644 index 000000000..81505e934 --- /dev/null +++ b/libgfortran/generated/nearest_r8.c @@ -0,0 +1,51 @@ +/* Implementation of the NEAREST intrinsic + Copyright 2003, 2007, 2009, 2010 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + +This file is part of the GNU Fortran 95 runtime library (libgfortran). + +Libgfortran is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public +License as published by the Free Software Foundation; either +version 3 of the License, or (at your option) any later version. + +Libgfortran is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#include "libgfortran.h" + + + +#define MATHFUNC(funcname) funcname + +#if defined (HAVE_GFC_REAL_8) && defined (HAVE_COPYSIGN) && defined (HAVE_NEXTAFTER) + +extern GFC_REAL_8 nearest_r8 (GFC_REAL_8 s, GFC_REAL_8 dir); +export_proto(nearest_r8); + +GFC_REAL_8 +nearest_r8 (GFC_REAL_8 s, GFC_REAL_8 dir) +{ + dir = MATHFUNC(copysign) (MATHFUNC(__builtin_inf) (), dir); + if (FLT_EVAL_METHOD != 0) + { + /* ??? Work around glibc bug on x86. */ + volatile GFC_REAL_8 r = MATHFUNC(nextafter) (s, dir); + return r; + } + else + return MATHFUNC(nextafter) (s, dir); +} + +#endif |