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path: root/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c
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authorjoshua <joshua@joshuayun.com>2023-12-30 23:54:31 -0500
committerjoshua <joshua@joshuayun.com>2023-12-30 23:54:31 -0500
commit86608c6770cf08c138a2bdab5855072f64be09ef (patch)
tree494a61b3ef37e76f9235a0d10f5c93d97290a35f /Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c
downloadsdr-software-master.tar.gz
initial commitHEADmaster
Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c')
-rw-r--r--Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c
new file mode 100644
index 0000000..aec7bd5
--- /dev/null
+++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c
@@ -0,0 +1,46 @@
+#include "ref.h"
+
+void ref_cmplx_mag_squared_f32(
+ float32_t * pSrc,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ *pDst++ = pSrc[i] * pSrc[i] + pSrc[i+1] * pSrc[i+1];
+ }
+}
+
+void ref_cmplx_mag_squared_q31(
+ q31_t * pSrc,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1;
+
+ 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);
+ *pDst++ = acc0 + acc1;
+ }
+}
+
+void ref_cmplx_mag_squared_q15(
+ q15_t * pSrc,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t acc0,acc1;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ acc0 = pSrc[i] * pSrc[i];
+ acc1 = pSrc[i+1] * pSrc[i+1];
+ *pDst++ = (q15_t) (((q63_t) acc0 + acc1) >> 17);
+ }
+}