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/*
* Copyright (c) 2003 Matteo Frigo
* Copyright (c) 2003 Massachusetts Institute of Technology
*
* 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 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
*
*/
/* $Id: trig.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */
/* trigonometric functions */
#include "ifftw.h"
#include <math.h>
trigreal X(cos2pi)(int m, int n)
{
return X(sincos)((trigreal)m, (trigreal)n, 0);
}
trigreal X(sin2pi)(int m, int n)
{
return X(sincos)((trigreal)m, (trigreal)n, 1);
}
trigreal X(tan2pi)(int m, int n)
{
#if 0 /* unimplemented, unused */
trigreal dm = m, dn = n;
return TAN(by2pi(dm, dn));
#endif
UNUSED(m); UNUSED(n);
return 0.0;
}
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