1 files changed, 31 insertions, 0 deletions
diff --git a/math/finite.c b/math/finite.c
new file mode 100644
index 0000000000..48f8f8011a
--- /dev/null
+++ b/math/finite.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <math.h>
+
+#undef	__finite
+
+/* Return nonzero if VALUE is finite and not NaN.  */
+int
+DEFUN(__finite, (value), double value)
+{
+  return !__isinf (value) && !__isnan (value);
+}
+
+weak_alias (__finite, finite)