reactos/lib/sdk/crt/math/cosh.c
Hermès Bélusca-Maïto 65ce146169 Create a branch for working on csrss and co.
svn path=/branches/ros-csrss/; revision=57561
2012-10-14 13:04:31 +00:00

15 lines
253 B
C

/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
#ifdef _MSC_VER
#pragma function(cosh)
#endif
/*
* @implemented
*/
double cosh(double x)
{
const double ebig = exp(fabs(x));
return (ebig + 1.0/ebig) / 2.0;
}