/*
	SuperCollider real time audio synthesis system
    Copyright (c) 2002 James McCartney. All rights reserved.
	http://www.audiosynth.com

    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
*/


#ifndef _Rate_
#define _Rate_

enum { calc_ScalarRate, calc_BufRate, calc_FullRate, calc_DemandRate };

struct Rate
{
	double mSampleRate; // samples per second
	double mSampleDur;  // seconds per sample
	double mBufDuration; // seconds per buffer
	double mBufRate;	// buffers per second
	double mSlopeFactor;  // 1. / NumSamples 
	double mRadiansPerSample; // 2pi / SampleRate
	int mBufLength;	// length of the buffer
	// second order filter loops are often unrolled by 3
	int mFilterLoops, mFilterRemain;
	double mFilterSlope;
};
typedef struct Rate Rate;

#endif