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| author | jaseg <git@jaseg.net> | 2020-10-14 12:47:28 +0200 |
|---|---|---|
| committer | jaseg <git@jaseg.net> | 2020-10-14 12:47:28 +0200 |
| commit | 6ab94e0b318884bbcb95e2ea3835f951502e1d99 (patch) | |
| tree | 4cc5794b89f89c55ff8370ae252518ab96b5fed3 /fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c | |
| parent | 1e6e8a2062923b434b2f4f5f2a9f8c0098135b01 (diff) | |
| download | minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.tar.gz minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.tar.bz2 minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.zip | |
Move firmware into subdirectory
Diffstat (limited to 'fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c')
| -rw-r--r-- | fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c b/fw/hid-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c new file mode 100644 index 0000000..aec7bd5 --- /dev/null +++ b/fw/hid-dials/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);
+ }
+}
|