From 76a80c66c148027130247ce30b39ee5e341b943f Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Fri, 1 Sep 2017 05:15:54 -0400
Subject: [PATCH] Do not revert the changes in Biquad.h
---
src/effects/Biquad.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/src/effects/Biquad.h b/src/effects/Biquad.h
index 788bb4a4e2..0f6ebf2350 100644
--- a/src/effects/Biquad.h
+++ b/src/effects/Biquad.h
@@ -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);
--
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