/*
 *  math_functions.c - some mathematical functions for the calculator
 *	part of galculator
 *  	(c) 2002 Simon Floery (simon.floery@gmx.at)
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU 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 "math_functions.h"

double pow10y (double y)
{
	return pow (10, y);
}

double reciprocal (double x)
{
	return 1/x;
}

double idx (double x)
{
	return x;
}

double powx2 (double x)
{
	return pow (x, 2);
}

double factorial (double n)
{
	if (n > 1) return n*factorial (n-1);
	else return 1;
}