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#include "ref.h"
void ref_cmplx_mag_f32(
float32_t * pSrc,
float32_t * pDst,
uint32_t numSamples)
{
uint32_t i;
for(i=0;i<numSamples*2;i+=2)
{
*pDst++ = sqrtf(pSrc[i] * pSrc[i] + pSrc[i+1] * pSrc[i+1]);
}
}
void ref_cmplx_mag_q31(
q31_t * pSrc,
q31_t * pDst,
uint32_t numSamples)
{
uint32_t i;
q31_t acc0,acc1,out;
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);
out = acc0 + acc1;
*pDst++ = (q31_t)(sqrtf((float)out / 2147483648.0f) * 2147483648.0f);
}
}
void ref_cmplx_mag_q15(
q15_t * pSrc,
q15_t * pDst,
uint32_t numSamples)
{
uint32_t i;
q31_t acc0,acc1;
q15_t out;
for(i=0;i<numSamples*2;i+=2)
{
acc0 = pSrc[i] * pSrc[i];
acc1 = pSrc[i+1] * pSrc[i+1];
out = (q15_t) (((q63_t) acc0 + acc1) >> 17);
*pDst++ = (q15_t)(sqrtf((float)out / 32768.0f) * 32768.0f);
}
}
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