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Introduce built-in fft; drop no-longer-supported ffts

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This commit is contained in:
Chris Cannam
2021-04-08 14:23:27 +01:00
parent 109c321370
commit e7f47b4b98
6 changed files with 1034 additions and 1834 deletions
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2820
src/dsp/FFT.cpp
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File diff suppressed because it is too large Load Diff

6
src/dsp/FFT.h
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@@ -64,6 +64,8 @@ public:
FFT(int size, int debugLevel = 0); // may throw InvalidSize
~FFT();
int getSize() const;
void forward(const double *R__ realIn, double *R__ realOut, double *R__ imagOut);
void forwardInterleaved(const double *R__ realIn, double *R__ complexOut);
void forwardPolar(const double *R__ realIn, double *R__ magOut, double *R__ phaseOut);
@@ -121,6 +123,10 @@ protected:
FFTImpl *d;
static std::string m_implementation;
static void pickDefaultImplementation();
private:
FFT(const FFT &); // not provided
FFT &operator=(const FFT &); // not provided
};
}

18
src/system/VectorOps.h
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@@ -366,32 +366,32 @@ inline void v_scale(double *const R__ dst,
}
#endif
template<typename T>
inline void v_multiply(T *const R__ dst,
const T *const R__ src,
template<typename T, typename S>
inline void v_multiply(T *const R__ srcdst,
const S *const R__ src,
const int count)
{
for (int i = 0; i < count; ++i) {
dst[i] *= src[i];
srcdst[i] *= src[i];
}
}
#if defined HAVE_IPP
template<>
inline void v_multiply(float *const R__ dst,
inline void v_multiply(float *const R__ srcdst,
const float *const R__ src,
const int count)
{
ippsMul_32f_I(src, dst, count);
ippsMul_32f_I(src, srcdst, count);
}
template<>
inline void v_multiply(double *const R__ dst,
inline void v_multiply(double *const R__ srcdst,
const double *const R__ src,
const int count)
{
ippsMul_64f_I(src, dst, count);
ippsMul_64f_I(src, srcdst, count);
}
#endif
#endif // HAVE_IPP
template<typename T>
inline void v_multiply(T *const R__ dst,