summaryrefslogtreecommitdiff
path: root/math/w_exp10f.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
commit9d13fb2413921c713f83efe331e8e4d219c62c6b (patch)
tree2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /math/w_exp10f.c
parentb6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff)
downloadglibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.gz
Moved to csu/errno-loc.c.
Diffstat (limited to 'math/w_exp10f.c')
-rw-r--r--math/w_exp10f.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/math/w_exp10f.c b/math/w_exp10f.c
new file mode 100644
index 0000000000..78e71be069
--- /dev/null
+++ b/math/w_exp10f.c
@@ -0,0 +1,46 @@
+/* w_exp10f.c -- float version of 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 expf10(x)
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#ifdef __STDC__
+ float __exp10f(float x) /* wrapper exp10f */
+#else
+ float __exp10f(x) /* wrapper exp10f */
+ float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_exp10f(x);
+#else
+ float z;
+ z = __ieee754_exp10f(x);
+ if(_LIB_VERSION == _IEEE_) return z;
+ if(!__finitef(z) && __finitef(x)) {
+ /* exp10f overflow (146) if x > 0, underflow (147) if x < 0. */
+ return (float)__kernel_standard((double) x, (double) x,
+ 146+!!__signbitf(x));
+ }
+ return z;
+#endif
+}
+weak_alias (__exp10f, exp10f)
+strong_alias (__exp10f, __pow10f)
+weak_alias (__pow10f, pow10f)