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CMSIS-DSP/DSP_Lib_TestSuite/RefLibs/src/BasicMathFunctions/dot_prod.c

66 lines
959 B
C

#include "ref.h"
void ref_dot_prod_f32(
const float32_t * pSrcA,
const float32_t * pSrcB,
uint32_t blockSize,
float32_t * result)
{
uint32_t i;
float32_t sum = 0.0f;
for(i=0;i<blockSize;i++)
{
sum += pSrcA[i] * pSrcB[i];
}
*result = sum;
}
void ref_dot_prod_q31(
q31_t * pSrcA,
q31_t * pSrcB,
uint32_t blockSize,
q63_t * result)
{
uint32_t i;
q63_t sum = 0.0f;
for(i=0;i<blockSize;i++)
{
sum += ((q63_t)pSrcA[i] * pSrcB[i]) >> 14; //16.48
}
*result = sum;
}
void ref_dot_prod_q15(
q15_t * pSrcA,
q15_t * pSrcB,
uint32_t blockSize,
q63_t * result)
{
uint32_t i;
q63_t sum = 0.0f;
for(i=0;i<blockSize;i++)
{
sum += (q31_t)pSrcA[i] * pSrcB[i]; //34.30
}
*result = sum;
}
void ref_dot_prod_q7(
q7_t * pSrcA,
q7_t * pSrcB,
uint32_t blockSize,
q31_t * result)
{
uint32_t i;
q31_t sum = 0.0f;
for(i=0;i<blockSize;i++)
{
sum += (q31_t)pSrcA[i] * pSrcB[i]; //18.14
}
*result = sum;
}