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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/generic/w_coshf.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
downloadglibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/generic/w_coshf.c')
-rw-r--r--sysdeps/generic/w_coshf.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/generic/w_coshf.c b/sysdeps/generic/w_coshf.c
new file mode 100644
index 0000000000..c38fd1d93f
--- /dev/null
+++ b/sysdeps/generic/w_coshf.c
@@ -0,0 +1,47 @@
+/* w_coshf.c -- float version of w_cosh.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: w_coshf.c,v 1.3 1995/05/10 20:48:49 jtc Exp $";
+#endif
+
+/*
+ * wrapper coshf(x)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+ float __coshf(float x) /* wrapper coshf */
+#else
+ float __coshf(x) /* wrapper coshf */
+ float x;
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_coshf(x);
+#else
+ float z;
+ z = __ieee754_coshf(x);
+ if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
+ if(!__finite(z) && __finite(x)) {
+ /* cosh overflow */
+ return (float)__kernel_standard((double)x,(double)x,105);
+ } else
+ return z;
+#endif
+}
+weak_alias (__coshf, coshf)