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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);
| }
| }
|
|
