/* @(#)z_coshf.c 1.0 98/08/13 */ /****************************************************************** * Hyperbolic Cosine * * Input: * x - floating point value * * Output: * hyperbolic cosine of x * * Description: * This routine returns the hyperbolic cosine of x. * *****************************************************************/ #include "fdlibm.h" #include "zmath.h" float _DEFUN (coshf, (float), float x) { return (sinehf (x, 1)); } #ifdef _DOUBLE_IS_32BITS double cosh (double x) { return (double) sinehf ((float) x, 1); } #endif /* defined(_DOUBLE_IS_32BITS) */