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Initial experimental import of bq resampler

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This commit is contained in:
Chris Cannam
2021-05-10 18:11:35 +01:00
parent cd1856871e
commit f6a66171bc
8 changed files with 1269 additions and 124 deletions
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52
src/system/VectorOps.h
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@@ -491,6 +491,58 @@ inline T v_sum(const T *const R__ src,
return result;
}
template<typename T>
inline T v_multiply_and_sum(const T *const R__ src1,
const T *const R__ src2,
const int count)
{
T result = T();
for (int i = 0; i < count; ++i) {
result += src1[i] * src2[i];
}
return result;
}
#if defined HAVE_IPP
template<>
inline float v_multiply_and_sum(const float *const R__ src1,
const float *const R__ src2,
const int count)
{
float dp;
ippsDotProd_32f(src1, src2, count, &dp);
return dp;
}
template<>
inline double v_multiply_and_sum(const double *const R__ src1,
const double *const R__ src2,
const int count)
{
double dp;
ippsDotProd_64f(src1, src2, count, &dp);
return dp;
}
#elif defined HAVE_VDSP
template<>
inline float v_multiply_and_sum(const float *const R__ src1,
const float *const R__ src2,
const int count)
{
float dp;
vDSP_dotpr(src1, 1, src2, 1, &dp, count);
return dp;
}
template<>
inline double v_multiply_and_sum(const double *const R__ src1,
const double *const R__ src2,
const int count)
{
double dp;
vDSP_dotprD(src1, 1, src2, 1, &dp, count);
return dp;
}
#endif
template<typename T>
inline void v_log(T *const R__ dst,
const int count)