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#include "ref.h"
void ref_float_to_q31(
float32_t * pSrc,
q31_t * pDst,
uint32_t blockSize)
{
uint32_t i;
float32_t in;
for(i=0;i<blockSize;i++)
{
in = pSrc[i];
in *= 2147483648.0f; //scale up
in += in > 0.0f ? 0.5f : -0.5f; //round
pDst[i] = ref_sat_q31((q63_t)in); //cast and saturate
}
}
void ref_float_to_q15(
float32_t * pSrc,
q15_t * pDst,
uint32_t blockSize)
{
uint32_t i;
float32_t in;
for(i=0;i<blockSize;i++)
{
in = pSrc[i];
in *= 32768.0f;
in += in > 0.0f ? 0.5f : -0.5f;
pDst[i] = ref_sat_q15((q31_t)in);
}
}
void ref_float_to_q7(
float32_t * pSrc,
q7_t * pDst,
uint32_t blockSize)
{
uint32_t i;
float32_t in;
for(i=0;i<blockSize;i++)
{
in = pSrc[i];
in *= 128.0f;
in += in > 0.0f ? 0.5f : -0.5f;
pDst[i] = ref_sat_q7((q15_t)in);
}
}
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