blob: dc4928ecbcdfd06545fb6a2887a8bad37e96be79 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#include "ref.h"
void ref_cmplx_mult_real_f32(
float32_t * pSrcCmplx,
float32_t * pSrcReal,
float32_t * pCmplxDst,
uint32_t numSamples)
{
uint32_t i;
for(i=0;i<numSamples;i++)
{
pCmplxDst[2*i+0] = pSrcCmplx[2*i+0] * pSrcReal[i];
pCmplxDst[2*i+1] = pSrcCmplx[2*i+1] * pSrcReal[i];
}
}
void ref_cmplx_mult_real_q31(
q31_t * pSrcCmplx,
q31_t * pSrcReal,
q31_t * pCmplxDst,
uint32_t numSamples)
{
uint32_t i;
q31_t tempR, tempI;
for(i=0;i<numSamples;i++)
{
tempR = ((q63_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 32;
tempI = ((q63_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 32;
pCmplxDst[2*i+0] = ref_sat_n(tempR, 31) << 1;
pCmplxDst[2*i+1] = ref_sat_n(tempI, 31) << 1;
}
}
void ref_cmplx_mult_real_q15(
q15_t * pSrcCmplx,
q15_t * pSrcReal,
q15_t * pCmplxDst,
uint32_t numSamples)
{
uint32_t i;
q31_t tempR, tempI;
for(i=0;i<numSamples;i++)
{
tempR = ((q31_t) pSrcCmplx[2*i+0] * pSrcReal[i]) >> 15;
tempI = ((q31_t) pSrcCmplx[2*i+1] * pSrcReal[i]) >> 15;
pCmplxDst[2*i+0] = ref_sat_q15(tempR);
pCmplxDst[2*i+1] = ref_sat_q15(tempI);
}
}
|
