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/*$Id: m_phase.h,v 26.118 2009/08/22 21:08:57 al Exp $ -*- C++ -*-
* Copyright (C) 2008 Albert Davis
* Author: Albert Davis <aldavis@gnu.org>
*
* This file is part of "Gnucap", the Gnu Circuit Analysis Package
*
* 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
//testing=script 2008.06.06
#ifndef M_PHASE_H
#define M_PHASE_H
#include "constant.h"
#include "u_opt.h"
/*--------------------------------------------------------------------------*/
/* phase: extract phase (degrees) from COMPLEX number
* rotates 90 degrees! (ref to sine instead of cosine)
*/
inline double phase(COMPLEX x)
{
double rv = NOT_VALID;
switch (OPT::phase) {
case pDEGREES:
rv = arg(x)*RTOD;
break;
case pP_DEGREES:untested();
rv = arg(x)*RTOD;
if (rv < 0) {untested();
rv += 360;
}else{untested();
}
break;
case pN_DEGREES:itested();
rv = arg(x)*RTOD;
if (rv > 0) {itested();
rv -= 360;
}else{itested();
}
break;
case pRADIANS:
rv = arg(x);
break;
};
return rv;
}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
#endif
// vim:ts=8:sw=2:noet:
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