53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#include "ref.h"
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void ref_cmplx_mult_real_f32(
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float32_t * pSrcCmplx,
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float32_t * pSrcReal,
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float32_t * pCmplxDst,
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uint32_t numSamples)
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{
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uint32_t i;
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for(i=0;i<numSamples;i++)
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{
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pCmplxDst[2*i+0] = pSrcCmplx[2*i+0] * pSrcReal[i];
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pCmplxDst[2*i+1] = pSrcCmplx[2*i+1] * pSrcReal[i];
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}
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}
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void ref_cmplx_mult_real_q31(
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q31_t * pSrcCmplx,
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q31_t * pSrcReal,
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q31_t * pCmplxDst,
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uint32_t numSamples)
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{
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uint32_t i;
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q31_t tempR, tempI;
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for(i=0;i<numSamples;i++)
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{
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tempR = ((q63_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 32;
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tempI = ((q63_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 32;
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pCmplxDst[2*i+0] = ref_sat_n(tempR, 31) << 1;
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pCmplxDst[2*i+1] = ref_sat_n(tempI, 31) << 1;
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}
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}
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void ref_cmplx_mult_real_q15(
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q15_t * pSrcCmplx,
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q15_t * pSrcReal,
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q15_t * pCmplxDst,
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uint32_t numSamples)
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{
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uint32_t i;
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q31_t tempR, tempI;
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for(i=0;i<numSamples;i++)
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{
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tempR = ((q31_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 15;
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tempI = ((q31_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 15;
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pCmplxDst[2*i+0] = ref_sat_q15(tempR);
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pCmplxDst[2*i+1] = ref_sat_q15(tempI);
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}
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}
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