2020-06-13 10:56:20 +02:00
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//
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// Created by versustune on 08.06.20.
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//
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#ifndef VENO_TABLEHELPER_H
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#define VENO_TABLEHELPER_H
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#include <cmath>
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#include <cstdlib>
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#include "WaveTableGenerator.h"
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#define M_PI 3.14159265358979323846
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#define DOUBLE_PI 6.283185307179586476925286766559
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/*
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in-place complex fft
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After Cooley, Lewis, and Welch; from Rabiner & Gold (1975)
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program adapted from FORTRAN
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by K. Steiglitz (ken@princeton.edu)
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Computer Science Dept.
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Princeton University 08544
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*/
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2020-06-13 16:52:16 +02:00
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void fft (int N, double* ar, double* ai);
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float makeWaveTable (WaveTableGroup* group, int len, double* ar, double* ai, double scale, double topFreq);
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2020-06-13 10:56:20 +02:00
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// utils stuff
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2020-06-13 16:52:16 +02:00
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int fillTables (WaveTableGroup* group, double* freqWaveRe, double* freqWaveIm, int numSamples);
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int findTableLen ();
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float getNextRand ();
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2020-06-13 10:56:20 +02:00
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#endif //VENO_TABLEHELPER_H
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