/usr/include/SndObj/SpecPolar.h is in libsndobj-dev 2.6.6.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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////////////////////////////////////////////////////////////////////////
// This file is part of the SndObj library
//
// 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
//
// Copyright (c)Victor Lazzarini, 1997-2004
// See License.txt for a disclaimer of all warranties
// and licensing information
#ifndef _SPECPOLAR_H
#define _SPECPOLAR_H
#include "SpecMult.h"
class SpecPolar : public SpecMult {
protected:
void inline convert(float* a, float* b);
public:
SpecPolar();
SpecPolar(SndObj* input,int vecsize=DEF_FFTSIZE,
float sr=DEF_SR);
~SpecPolar();
short DoProcess();
};
void
SpecPolar::convert(float* a, float* b){
float mag, pha;
mag = sqrt((*a)*(*a) + (*b)*(*b));
pha = atan2((*b),(*a));
*a=mag;
*b=pha;
}
#endif
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