2011-02-15 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / libgfortran / m4 / nearest.m4

diff --git a/libgfortran/m4/nearest.m4 b/libgfortran/m4/nearest.m4
index ce83dc5..6434430 100644 (file)
--- a/libgfortran/m4/nearest.m4
+++ b/libgfortran/m4/nearest.m4
@@ -1,5 +1,5 @@
 `/* Implementation of the NEAREST intrinsic
-   Copyright 2003 Free Software Foundation, Inc.
+   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).
@@ -7,45 +7,45 @@ 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 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.  */
-#include <math.h>
-#include <float.h>
+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"'
 
 include(`mtype.m4')dnl
 
-extern real_type nearest_r`'kind (real_type s, real_type dir);
-export_proto(nearest_r`'kind);
+mathfunc_macro
 
-real_type
-nearest_r`'kind (real_type s, real_type dir)
+`#if defined (HAVE_'real_type`) && 'hasmathfunc(copysign) && hasmathfunc(nextafter)`
+
+extern 'real_type` nearest_r'kind` ('real_type` s, 'real_type` dir);
+export_proto(nearest_r'kind`);
+
+'real_type`
+nearest_r'kind` ('real_type` s, 'real_type` dir)
 {
-  dir = copysign`'q (__builtin_inf`'q (), dir);
+  dir = MATHFUNC(copysign) (MATHFUNC(__builtin_inf) (), dir);
   if (FLT_EVAL_METHOD != 0)
     {
       /* ??? Work around glibc bug on x86.  */
-      volatile real_type r = nextafter`'q (s, dir);
+      volatile 'real_type` r = MATHFUNC(nextafter) (s, dir);
       return r;
     }
   else
-    return nextafter`'q (s, dir);
+    return MATHFUNC(nextafter) (s, dir);
 }
+
+#endif'