reactos/sdk/lib/crt/math/cosh.c

16 lines
253 B
C
Raw Normal View History

/* 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;
}