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

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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
#include <math.h>
#ifdef _MSC_VER
#pragma function(sinh)
#endif
/*
* @implemented
*/
double sinh(double x)
{
if(x >= 0.0)
{
const double epos = exp(x);
return (epos - 1.0/epos) / 2.0;
}
else
{
const double eneg = exp(-x);
return (1.0/eneg - eneg) / 2.0;
}
}