about summary refs log tree commit diff
path: root/math/w_exp10.c
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /math/w_exp10.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip
2.5-18.1
Diffstat (limited to 'math/w_exp10.c')
-rw-r--r--math/w_exp10.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/math/w_exp10.c b/math/w_exp10.c
new file mode 100644
index 0000000000..9447d8fa2a
--- /dev/null
+++ b/math/w_exp10.c
@@ -0,0 +1,51 @@
+/* @(#)w_exp10.c
+ * Conversion to exp10 by Ulrich Drepper <drepper@cygnus.com>.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * wrapper exp10(x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+	double __exp10(double x)		/* wrapper exp10 */
+#else
+	double __exp10(x)			/* wrapper exp10 */
+	double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_exp10(x);
+#else
+	double z;
+	z = __ieee754_exp10(x);
+	if(_LIB_VERSION == _IEEE_) return z;
+	if(!__finite(z) && __finite(x)) {
+	    /* exp10 overflow (46) if x > 0, underflow (47) if x < 0.  */
+	    return __kernel_standard(x,x,46+!!__signbit(x));
+	}
+	return z;
+#endif
+}
+weak_alias (__exp10, exp10)
+strong_alias (__exp10, __pow10)
+weak_alias (__pow10, pow10)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__exp10, __exp10l)
+weak_alias (__exp10, exp10l)
+strong_alias (__exp10l, __pow10l)
+weak_alias (__pow10l, pow10l)
+#endif