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