From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sun, 20 Dec 2020 15:18:02 +0100
Subject: Submodule-cache WIP

---
 .../RefLibs/src/TransformFunctions/dct4.c          | 89 ----------------------
 1 file changed, 89 deletions(-)
 delete mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c

(limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c')

diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c b/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c
deleted file mode 100644
index 9c1f207..0000000
--- a/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/TransformFunctions/dct4.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#include "ref.h"
-
-void ref_dct4_f32(
-  const arm_dct4_instance_f32 * S,
-  float32_t * pState,
-  float32_t * pInlineBuffer)
-{
-	uint32_t n,k;
-	float32_t sum;
-   float32_t pi_by_N = 3.14159265358979f / (float32_t)S->N;
-   float32_t tmp;
-   float32_t normalize = sqrtf(2.0f / (float32_t)S->N);
-	
-	for(k=0;k<S->N;k++)
-	{
-		sum=0.0f;
-      tmp = ((float32_t)k + 0.5f)*pi_by_N;
-		for(n=0;n<S->N;n++)
-		{
-			sum += pInlineBuffer[n] * cosf(tmp * ((float32_t)n + 0.5f));
-		}
-		scratchArray[k] = normalize * sum;
-	}
-	
-	for(k=0;k<S->N;k++)
-	{
-		pInlineBuffer[k] = scratchArray[k];
-	}
-}
-
-void ref_dct4_q31(
-  const arm_dct4_instance_q31 * S,
-  q31_t * pState,
-  q31_t * pInlineBuffer)
-{
-	arm_dct4_instance_f32 SS;
-	float32_t *fSrc = (float32_t*)pInlineBuffer;
-	uint32_t i;
-	
-	SS.N = S->N;
-	
-	for(i=0;i<S->N;i++)
-	{
-		//read the q31 data, cast to float, scale down for float
-		fSrc[i] = (float32_t)pInlineBuffer[i] / 2147483648.0f;
-	}
-	
-	ref_dct4_f32(&SS,(float32_t*)0,fSrc);
-	
-	for(i=0;i<S->N;i++)
-	{
-		fSrc[i] = fSrc[i] * 2147483648.0f / (float32_t)S->N ;
-		fSrc[i] += (fSrc[i] > 0) ? 0.5f : -0.5f;
-		pInlineBuffer[i] = (q31_t)fSrc[i];
-	}
-}
-
-void ref_dct4_q15(
-  const arm_dct4_instance_q15 * S,
-  q15_t * pState,
-  q15_t * pInlineBuffer)
-{
-	arm_dct4_instance_f32 SS;
-	float32_t *fSrc = (float32_t*)pInlineBuffer;
-	uint32_t i;
-	
-	SS.N = S->N;
-	
-	for(i=0;i<S->N;i++)
-	{
-		//read the q15 data, cast to float, scale down for float, place in temporary buffer
-		scratchArray[i] = (float32_t)pInlineBuffer[i] / 32768.0f;
-	}
-	
-	for(i=0;i<S->N;i++)
-	{
-		//copy from temp buffer to final buffer
-		fSrc[i] = scratchArray[i];
-	}
-	
-	ref_dct4_f32(&SS,(float32_t*)0,fSrc);
-	
-	for(i=0;i<S->N;i++)
-	{
-		fSrc[i] = fSrc[i] * 32768.0f / (float32_t)S->N;
-		fSrc[i] += (fSrc[i] > 0) ? 0.5f : -0.5f;
-		pInlineBuffer[i] = (q15_t)fSrc[i];
-	}
-}
-- 
cgit