diff options
Diffstat (limited to 'fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c')
| -rw-r--r-- | fw/midi-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/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ComplexMathFunctions/cmplx_mag_squared.c b/fw/midi-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/midi-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);
+ }
+}
|