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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /math/w_coshf.c | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
download | glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.bz2 |
2.5-18.1
Diffstat (limited to 'math/w_coshf.c')
-rw-r--r-- | math/w_coshf.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/math/w_coshf.c b/math/w_coshf.c new file mode 100644 index 0000000..8e24ca9 --- /dev/null +++ b/math/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) |