From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Wed, 14 Oct 2020 12:47:28 +0200
Subject: Move firmware into subdirectory

---
 .../RefLibs/src/ComplexMathFunctions/cmplx_mag.c   | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c

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

diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c b/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c
new file mode 100644
index 0000000..b5ac28d
--- /dev/null
+++ b/fw/cdc-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag.c
@@ -0,0 +1,49 @@
+#include "ref.h"
+
+void ref_cmplx_mag_f32(
+  float32_t * pSrc,
+  float32_t * pDst,
+  uint32_t numSamples)
+{
+	uint32_t i;
+	
+	for(i=0;i<numSamples*2;i+=2)
+	{
+		*pDst++ = sqrtf(pSrc[i] * pSrc[i] + pSrc[i+1] * pSrc[i+1]);
+	}
+}
+
+void ref_cmplx_mag_q31(
+  q31_t * pSrc,
+  q31_t * pDst,
+  uint32_t numSamples)
+{
+	uint32_t i;
+	q31_t acc0,acc1,out;
+	
+	for(i=0;i<numSamples*2;i+=2)
+	{
+		acc0 = (q31_t)(((q63_t)pSrc[i] * pSrc[i]) >> 33);
+		acc1 = (q31_t)(((q63_t)pSrc[i+1] * pSrc[i+1]) >> 33);
+		out = acc0 + acc1;
+		*pDst++ = (q31_t)(sqrtf((float)out / 2147483648.0f) * 2147483648.0f);
+	}
+}
+
+void ref_cmplx_mag_q15(
+  q15_t * pSrc,
+  q15_t * pDst,
+  uint32_t numSamples)
+{
+	uint32_t i;
+	q31_t acc0,acc1;
+	q15_t out;
+	
+	for(i=0;i<numSamples*2;i+=2)
+	{
+		acc0 = pSrc[i] * pSrc[i];
+		acc1 = pSrc[i+1] * pSrc[i+1];
+		out = (q15_t) (((q63_t) acc0 + acc1) >> 17);
+		*pDst++ = (q15_t)(sqrtf((float)out / 32768.0f) * 32768.0f);
+	}
+}
-- 
cgit