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-rw-r--r--fourier.hpp39
1 files changed, 2 insertions, 37 deletions
diff --git a/fourier.hpp b/fourier.hpp
index 1708667..6be0931 100644
--- a/fourier.hpp
+++ b/fourier.hpp
@@ -1,23 +1,15 @@
#pragma once
+#include "types.hpp"
+
#include <cmath>
#include <fftw3.h>
-#include <complex>
#include <vector>
#include <tuple>
-#include <gsl/gsl_sf_gamma.h>
#ifndef FFTW_THREADS
#define FFTW_THREADS 1
#endif
-using Real = double;
-using Complex = std::complex<Real>;
-using namespace std::complex_literals;
-
-Real f(Real λ, unsigned p, unsigned s, Real q);
-Real df(Real λ, unsigned p, unsigned s, Real q);
-Real ddf(Real λ, unsigned p, unsigned s, Real q);
-
class FourierTransform {
private:
Real* a;
@@ -37,33 +29,6 @@ public:
std::vector<Real> convolve(const std::vector<Real>& Γh, const std::vector<Real>& R);
};
-class LogarithmicFourierTransform {
-private:
- Complex* a;
- Complex* â;
- fftw_plan a_to_â;
- fftw_plan â_to_a;
- unsigned N;
- unsigned pad;
- Real k;
- Real Δτ;
- Real τₛ;
- Real ωₛ;
- Real sₛ;
-public:
- LogarithmicFourierTransform(unsigned N, Real k, Real Δτ, unsigned pad = 4);
- ~LogarithmicFourierTransform();
- Real τ(unsigned n) const;
- Real ω(unsigned n) const;
- Real t(unsigned n) const;
- Real ν(unsigned n) const;
- Real s(unsigned n) const;
- std::vector<Complex> fourier(const std::vector<Real>& c, bool symmetric);
- std::vector<Real> inverse(const std::vector<Complex>& ĉ);
-};
-
-Complex gamma(Complex z);
-
std::string fourierFile(std::string prefix, unsigned p, unsigned s, Real λ, Real τ₀, Real y, unsigned log2n, Real τₘₐₓ);
Real energy(const std::vector<Real>& C, const std::vector<Real>& R, unsigned p, unsigned s, Real λ, Real y, Real Δτ);
std::tuple<std::vector<Complex>, std::vector<Complex>> RddfCtdfCt(FourierTransform& fft, const std::vector<Real>& C, const std::vector<Real>& R, unsigned p, unsigned s, Real λ);