/* Implementation of the ERFC_SCALED intrinsic, to be included by erfc_scaled.c
- Copyright (c) 2008 Free Software Foundation, Inc.
+ Copyright (C) 2008-2020 Free Software Foundation, Inc.
This file is part of the GNU Fortran 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 2 of the License, or (at your option) any later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
+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.
-You should have received a copy of the GNU General Public
-License along with libgfortran; see the file COPYING. If not,
-write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+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/>. */
/* This implementation of ERFC_SCALED is based on the netlib algorithm
available at http://www.netlib.org/specfun/erf */
#define KIND_SUFFIX(x,y) CONCAT(x,y)
#if (KIND == 4)
+
# define EXP(x) expf(x)
# define TRUNC(x) truncf(x)
+
#elif (KIND == 8)
+
# define EXP(x) exp(x)
# define TRUNC(x) trunc(x)
+
+#elif (KIND == 10)
+
+# ifdef HAVE_EXPL
+# define EXP(x) expl(x)
+# endif
+# ifdef HAVE_TRUNCL
+# define TRUNC(x) truncl(x)
+# endif
+
#else
-# define EXP(x) expl(x)
-# define TRUNC(x) truncl(x)
+
+# error "What exactly is it that you want me to do?"
+
#endif
+#if defined(EXP) && defined(TRUNC)
+
extern TYPE KIND_SUFFIX(erfc_scaled_r,KIND) (TYPE);
export_proto(KIND_SUFFIX(erfc_scaled_r,KIND));
return res;
}
+#endif
+
#undef EXP
#undef TRUNC