forked from KolibriOS/kolibrios
1f4d74f500
git-svn-id: svn://kolibrios.org@8622 a494cfbc-eb01-0410-851d-a64ba20cac60
17 lines
274 B
C
17 lines
274 B
C
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
|
|
#include <math.h>
|
|
|
|
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;
|
|
}
|
|
}
|