1 | /* w_coshf.c -- float version of w_cosh.c. |
2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
3 | * Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011. |
4 | */ |
5 | |
6 | /* |
7 | * ==================================================== |
8 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
9 | * |
10 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
11 | * Permission to use, copy, modify, and distribute this |
12 | * software is freely granted, provided that this notice |
13 | * is preserved. |
14 | * ==================================================== |
15 | */ |
16 | |
17 | /* |
18 | * wrapper coshf(x) |
19 | */ |
20 | |
21 | #include <math.h> |
22 | #include <math_private.h> |
23 | #include <math-svid-compat.h> |
24 | #include <libm-alias-float.h> |
25 | |
26 | #if LIBM_SVID_COMPAT |
27 | float |
28 | __coshf (float x) |
29 | { |
30 | float z = __ieee754_coshf (x); |
31 | if (__builtin_expect (!isfinite (z), 0) && isfinite (x) |
32 | && _LIB_VERSION != _IEEE_) |
33 | return __kernel_standard_f (x, x, 105); /* cosh overflow */ |
34 | |
35 | return z; |
36 | } |
37 | libm_alias_float (__cosh, cosh) |
38 | #endif |
39 | |