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FFT Window: in place apply methods

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This commit is contained in:
f4exb 2019-10-01 00:21:02 +02:00
parent 4e66097993
commit e8c11c3085
2 changed files with 23 additions and 3 deletions
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24
sdrbase/dsp/fftwindow.cpp
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@ -57,18 +57,36 @@ void FFTWindow::create(Function function, int n)
void FFTWindow::apply(const std::vector<Real>& in, std::vector<Real>* out) void FFTWindow::apply(const std::vector<Real>& in, std::vector<Real>* out)
{ {
for(size_t i = 0; i < m_window.size(); i++) for(size_t i = 0; i < m_window.size(); i++) {
(*out)[i] = in[i] * m_window[i]; (*out)[i] = in[i] * m_window[i];
}
} }
void FFTWindow::apply(const std::vector<Complex>& in, std::vector<Complex>* out) void FFTWindow::apply(const std::vector<Complex>& in, std::vector<Complex>* out)
{ {
for(size_t i = 0; i < m_window.size(); i++) for(size_t i = 0; i < m_window.size(); i++) {
(*out)[i] = in[i] * m_window[i]; (*out)[i] = in[i] * m_window[i];
}
}
void FFTWindow::apply(std::vector<Complex>& in)
{
for(size_t i = 0; i < m_window.size(); i++) {
in[i] *= m_window[i];
}
} }
void FFTWindow::apply(const Complex* in, Complex* out) void FFTWindow::apply(const Complex* in, Complex* out)
{ {
for(size_t i = 0; i < m_window.size(); i++) for(size_t i = 0; i < m_window.size(); i++) {
out[i] = in[i] * m_window[i]; out[i] = in[i] * m_window[i];
}
} }
void FFTWindow::apply(Complex* in)
{
for(size_t i = 0; i < m_window.size(); i++) {
in[i] *= m_window[i];
}
}

2
sdrbase/dsp/fftwindow.h
View File

@ -42,7 +42,9 @@ public:
void create(Function function, int n); void create(Function function, int n);
void apply(const std::vector<Real>& in, std::vector<Real>* out); void apply(const std::vector<Real>& in, std::vector<Real>* out);
void apply(const std::vector<Complex>& in, std::vector<Complex>* out); void apply(const std::vector<Complex>& in, std::vector<Complex>* out);
void apply(std::vector<Complex>& in);
void apply(const Complex* in, Complex* out); void apply(const Complex* in, Complex* out);
void apply(Complex* in);
private: private:
std::vector<float> m_window; std::vector<float> m_window;