| 12345678910111213141516171819202122232425262728293031323334 |
- /* Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011 */
- /*
- * ====================================================
- * 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.
- * ====================================================
- */
- /*
- * wrapper cosh(x)
- */
- #include <math.h>
- #include <math_private.h>
- #include <math-svid-compat.h>
- #include <libm-alias-double.h>
- #if LIBM_SVID_COMPAT
- double
- __cosh (double x)
- {
- double z = __ieee754_cosh (x);
- if (__builtin_expect (!isfinite (z), 0) && isfinite (x)
- && _LIB_VERSION != _IEEE_)
- return __kernel_standard (x, x, 5); /* cosh overflow */
- return z;
- }
- libm_alias_double (__cosh, cosh)
- #endif
|
