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-rw-r--r--math/w_fmod_compat.c37
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diff --git a/math/w_fmod_compat.c b/math/w_fmod_compat.c
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+/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <math.h>
+#include <math_private.h>
+
+/* wrapper fmod */
+double
+__fmod (double x, double y)
+{
+  if (__builtin_expect (isinf (x) || y == 0.0, 0)
+      && _LIB_VERSION != _IEEE_ && !isnan (y) && !isnan (x))
+    /* fmod(+-Inf,y) or fmod(x,0) */
+    return __kernel_standard (x, y, 27);
+
+  return __ieee754_fmod (x, y);
+}
+weak_alias (__fmod, fmod)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__fmod, __fmodl)
+weak_alias (__fmod, fmodl)
+#endif