#include "ref.h" void ref_mult_f32(float32_t *pSrcA, float32_t *pSrcB, float32_t *pDst, uint32_t blockSize) { uint32_t i; for (i = 0; i < blockSize; i++) { pDst[i] = pSrcA[i] * pSrcB[i]; } } void ref_mult_q31(q31_t *pSrcA, q31_t *pSrcB, q31_t *pDst, uint32_t blockSize) { uint32_t i; q63_t temp; for (i = 0; i < blockSize; i++) { temp = ((q63_t)pSrcA[i] * pSrcB[i]) >> 32; temp = temp << 1; pDst[i] = ref_sat_q31(temp); } } void ref_mult_q15(q15_t *pSrcA, q15_t *pSrcB, q15_t *pDst, uint32_t blockSize) { uint32_t i; q31_t temp; for (i = 0; i < blockSize; i++) { temp = ((q31_t)pSrcA[i] * pSrcB[i]) >> 15; // this comment is for JD, this is specifically 15 and not 16 // like the q31 case might imply. This is because NMSIS DSP // lib does it this way. No other reason. pDst[i] = ref_sat_q15(temp); } } void ref_mult_q7(q7_t *pSrcA, q7_t *pSrcB, q7_t *pDst, uint32_t blockSize) { uint32_t i; q15_t temp; for (i = 0; i < blockSize; i++) { temp = ((q15_t)pSrcA[i] * pSrcB[i]) >> 7; pDst[i] = ref_sat_q7(temp); } }