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kost_math.cpp    36 lines (29 with data), 1.6 kB

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/***************************************************************************
* Copyright (C) 2008 by C J Plooy *
* cornwarecjp@lavabit.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <math.h>
#include "kost_math.h"
double acosh(double x)
{
return log(x + sqrt(x*x - 1));
}
double asinh(double x)
{
return log(x + sqrt(x*x + 1));
}