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-rw-r--r--math/s_fmax.c33
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diff --git a/math/s_fmax.c b/math/s_fmax.c
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+/* Return maximum numeric value of X and Y.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library 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.
+
+   The GNU C Library 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 the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <math.h>
+
+
+double
+__fmax (double x, double y)
+{
+  return (isgreaterequal (x, y) || isnan (y)) ? x : y;
+}
+weak_alias (__fmax, fmax)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fmax, __fmaxl)
+weak_alias (__fmax, fmaxl)
+#endif