2008-07-29 Aaron W. LaFramboise <aaronavay62@aaronwl.com>

[pf3gnuchains/gcc-fork.git] / libgfortran / generated / pow_c4_i4.c

diff --git a/libgfortran/generated/pow_c4_i4.c b/libgfortran/generated/pow_c4_i4.c
index de0f6f6..cbdabc2 100644 (file)
--- a/libgfortran/generated/pow_c4_i4.c
+++ b/libgfortran/generated/pow_c4_i4.c
@@ -1,37 +1,52 @@
 /* Support routines for the intrinsic power (**) operator.
-   Copyright 2004 Free Software Foundation, Inc.
+   Copyright 2004, 2007 Free Software Foundation, Inc.
    Contributed by Paul Brook
 
-This file is part of the GNU Fortran 95 runtime library (libgfor).
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
 
-Libgfor is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
+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 2.1 of the License, or (at your option) any later version.
+version 2 of the License, or (at your option) any later version.
 
-Ligbfor is distributed in the hope that it will be useful,
+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.)
+
+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 Lesser General Public License for more details.
+GNU 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.  */
+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 "config.h"
 #include "libgfortran.h"
 
-/* Uuse Binary Method to calculate the powi. This is not an optimal but
+
+/* Use Binary Method to calculate the powi. This is not an optimal but
    a simple and reasonable arithmetic. See section 4.6.3, "Evaluation of
    Powers" of Donald E. Knuth, "Seminumerical Algorithms", Vol. 2, "The Art
    of Computer Programming", 3rd Edition, 1998.  */
 
+#if defined (HAVE_GFC_COMPLEX_4) && defined (HAVE_GFC_INTEGER_4)
+
+GFC_COMPLEX_4 pow_c4_i4 (GFC_COMPLEX_4 a, GFC_INTEGER_4 b);
+export_proto(pow_c4_i4);
+
 GFC_COMPLEX_4
-prefix(pow_c4_i4) (GFC_COMPLEX_4 a, GFC_INTEGER_4 b)
+pow_c4_i4 (GFC_COMPLEX_4 a, GFC_INTEGER_4 b)
 {
   GFC_COMPLEX_4 pow, x;
-  GFC_INTEGER_4 n, u;
+  GFC_INTEGER_4 n;
+  GFC_UINTEGER_4 u;
   
   n = b;
   x = a;
@@ -41,10 +56,13 @@ prefix(pow_c4_i4) (GFC_COMPLEX_4 a, GFC_INTEGER_4 b)
       if (n < 0)
        {
 
-         n = -n;
+         u = -n;
          x = pow / x;
        }
-      u = n;
+      else
+       {
+          u = n;
+       }
       for (;;)
        {
          if (u & 1)
@@ -58,3 +76,5 @@ prefix(pow_c4_i4) (GFC_COMPLEX_4 a, GFC_INTEGER_4 b)
     }
   return pow;
 }
+
+#endif