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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | #include "ref.h" |
| 2 | |||
| 3 | void ref_cmplx_mult_real_f32( |
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| 4 | float32_t * pSrcCmplx, |
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| 5 | float32_t * pSrcReal, |
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| 6 | float32_t * pCmplxDst, |
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| 7 | uint32_t numSamples) |
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| 8 | { |
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| 9 | uint32_t i; |
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| 10 | |||
| 11 | for(i=0;i<numSamples;i++) |
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| 12 | { |
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| 13 | pCmplxDst[2*i+0] = pSrcCmplx[2*i+0] * pSrcReal[i]; |
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| 14 | pCmplxDst[2*i+1] = pSrcCmplx[2*i+1] * pSrcReal[i]; |
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| 15 | } |
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| 16 | } |
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| 17 | |||
| 18 | void ref_cmplx_mult_real_q31( |
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| 19 | q31_t * pSrcCmplx, |
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| 20 | q31_t * pSrcReal, |
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| 21 | q31_t * pCmplxDst, |
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| 22 | uint32_t numSamples) |
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| 23 | { |
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| 24 | uint32_t i; |
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| 25 | q31_t tempR, tempI; |
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| 26 | |||
| 27 | for(i=0;i<numSamples;i++) |
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| 28 | { |
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| 29 | tempR = ((q63_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 32; |
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| 30 | tempI = ((q63_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 32; |
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| 31 | pCmplxDst[2*i+0] = ref_sat_n(tempR, 31) << 1; |
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| 32 | pCmplxDst[2*i+1] = ref_sat_n(tempI, 31) << 1; |
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| 33 | } |
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| 34 | } |
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| 35 | |||
| 36 | void ref_cmplx_mult_real_q15( |
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| 37 | q15_t * pSrcCmplx, |
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| 38 | q15_t * pSrcReal, |
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| 39 | q15_t * pCmplxDst, |
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| 40 | uint32_t numSamples) |
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| 41 | { |
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| 42 | uint32_t i; |
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| 43 | q31_t tempR, tempI; |
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| 44 | |||
| 45 | for(i=0;i<numSamples;i++) |
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| 46 | { |
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| 47 | tempR = ((q31_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 15; |
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| 48 | tempI = ((q31_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 15; |
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| 49 | pCmplxDst[2*i+0] = ref_sat_q15(tempR); |
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| 50 | pCmplxDst[2*i+1] = ref_sat_q15(tempI); |
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| 51 | } |
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| 52 | } |