| 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 |
|---|
| 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 | |
|---|
