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Do not revert the changes in Biquad.h

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This commit is contained in:
Paul Licameli 2017-09-01 05:15:54 -04:00
parent fd8b76dd80
commit 76a80c66c1
1 changed files with 21 additions and 0 deletions
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21
src/effects/Biquad.h
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@ -1,5 +1,10 @@
#ifndef __BIQUAD_H__
#define __BIQUAD_H__
#if 0
//initialisations not supported in MSVC 2013.
//Gives error C2905
// Do not make conditional on compiler.
typedef struct {
float* pfIn {};
float* pfOut {};
@ -10,6 +15,22 @@ typedef struct {
float fPrevOut {};
float fPrevPrevOut {};
} BiquadStruct;
#else
// WARNING: This structure may need initialisation.
typedef struct {
float* pfIn;
float* pfOut;
float fNumerCoeffs [3]; // B0 B1 B2
float fDenomCoeffs [2]; // A1 A2
float fPrevIn;
float fPrevPrevIn;
float fPrevOut;
float fPrevPrevOut;
} BiquadStruct;
#endif
void Biquad_Process (BiquadStruct* pBQ, int iNumSamples);
void ComplexDiv (float fNumerR, float fNumerI, float fDenomR, float fDenomI, float* pfQuotientR, float* pfQuotientI);
bool BilinTransform (float fSX, float fSY, float* pfZX, float* pfZY);