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| author | joshua <joshua@joshuayun.com> | 2023-12-30 23:54:31 -0500 |
|---|---|---|
| committer | joshua <joshua@joshuayun.com> | 2023-12-30 23:54:31 -0500 |
| commit | 86608c6770cf08c138a2bdab5855072f64be09ef (patch) | |
| tree | 494a61b3ef37e76f9235a0d10f5c93d97290a35f /Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c | |
| download | sdr-software-master.tar.gz | |
Diffstat (limited to 'Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c')
| -rw-r--r-- | Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c new file mode 100644 index 0000000..c7a5409 --- /dev/null +++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mult_cmplx.c @@ -0,0 +1,56 @@ +#include "ref.h"
+
+void ref_cmplx_mult_cmplx_f32(
+ float32_t * pSrcA,
+ float32_t * pSrcB,
+ float32_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ pDst[i] = pSrcA[i] * pSrcB[i] - pSrcA[i+1] * pSrcB[i+1];
+ pDst[i+1] = pSrcA[i] * pSrcB[i+1] + pSrcA[i+1] * pSrcB[i];
+ }
+}
+
+void ref_cmplx_mult_cmplx_q31(
+ q31_t * pSrcA,
+ q31_t * pSrcB,
+ q31_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t mul1, mul2, mul3, mul4;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ mul1 = ((q63_t)pSrcA[i] * pSrcB[i]) >> 33;
+ mul2 = ((q63_t)pSrcA[i+1] * pSrcB[i+1]) >> 33;
+ mul3 = ((q63_t)pSrcA[i] * pSrcB[i+1]) >> 33;
+ mul4 = ((q63_t)pSrcA[i+1] * pSrcB[i]) >> 33;
+ pDst[i] = mul1 - mul2;
+ pDst[i+1] = mul3 + mul4;
+ }
+}
+
+void ref_cmplx_mult_cmplx_q15(
+ q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ uint32_t numSamples)
+{
+ uint32_t i;
+ q31_t mul1, mul2, mul3, mul4;
+
+ for(i=0;i<numSamples*2;i+=2)
+ {
+ mul1 = ((q31_t)pSrcA[i] * pSrcB[i]) >> 17;
+ mul2 = ((q31_t)pSrcA[i+1] * pSrcB[i+1]) >> 17;
+ mul3 = ((q31_t)pSrcA[i] * pSrcB[i+1]) >> 17;
+ mul4 = ((q31_t)pSrcA[i+1] * pSrcB[i]) >> 17;
+ pDst[i] = mul1 - mul2;
+ pDst[i+1] = mul3 + mul4;
+ }
+}
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