PR testsuite/39807

[pf3gnuchains/gcc-fork.git] / libgfortran / intrinsics / erfc_scaled_inc.c

diff --git a/libgfortran/intrinsics/erfc_scaled_inc.c b/libgfortran/intrinsics/erfc_scaled_inc.c
index fab8155..7e4ba7e 100644 (file)
--- a/libgfortran/intrinsics/erfc_scaled_inc.c
+++ b/libgfortran/intrinsics/erfc_scaled_inc.c
@@ -6,26 +6,21 @@ 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  */
@@ -35,16 +30,28 @@ Boston, MA 02110-1301, USA.  */
 #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)
+
 #else
-# define EXP(x) expl(x)
-# define TRUNC(x) truncl(x)
+
+# ifdef HAVE_EXPL
+#  define EXP(x) expl(x)
+# endif
+# ifdef HAVE_TRUNCL
+#  define TRUNC(x) truncl(x)
+# endif
+
 #endif
 
+#if defined(EXP) && defined(TRUNC)
+
 extern TYPE KIND_SUFFIX(erfc_scaled_r,KIND) (TYPE);
 export_proto(KIND_SUFFIX(erfc_scaled_r,KIND));
 
@@ -167,6 +174,8 @@ finish:
   return res;
 }
 
+#endif
+
 #undef EXP
 #undef TRUNC