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+/*
+ 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