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Diffstat (limited to 'libgfortran/generated/nearest_r8.c')
-rw-r--r-- | libgfortran/generated/nearest_r8.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libgfortran/generated/nearest_r8.c b/libgfortran/generated/nearest_r8.c new file mode 100644 index 00000000000..54a374546df --- /dev/null +++ b/libgfortran/generated/nearest_r8.c @@ -0,0 +1,38 @@ +/* Implementation of the NEAREST intrinsic + Copyright 2003 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com>. + +This file is part of the GNU Fortran 95 runtime library (libgfor). + +Libgfor is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version. + +Ligbfor 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 Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public +License along with libgfor; see the file COPYING.LIB. If not, +write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ +#include <math.h> +#include <float.h> +#include "libgfortran.h" + + +GFC_REAL_8 +prefix(nearest_r8) (GFC_REAL_8 s, GFC_REAL_8 dir) +{ + dir = copysign (__builtin_inf (), dir); + if (FLT_EVAL_METHOD != 0) + { + /* ??? Work around glibc bug on x86. */ + volatile GFC_REAL_8 r = nextafter (s, dir); + return r; + } + else + return nextafter (s, dir); +} |