File smath.cpp

This file contains mathemical routines.

Author: Benjamin Lindner ben@benlabs.net
Version: See VERSION in CMakeLists.txt
Copyright: GNU General Public License

namespace smath

Functions

template<class T> void auto_correlate_direct(std::vector<std::complex<T>> &data)

void auto_correlate_direct(fftw_complex *data, size_t N): Replaces the data within the array with its auto-correlated value using FFT (scales with N)

void auto_correlate_fftw(std::vector<std::complex<double>> &data, size_t N, fftw_plan p1, fftw_plan p2, fftw_complex *fftw_planspace)

template<class T> void auto_correlate_fftw(std::vector<std::complex<T>> &data, fftw_plan p1, fftw_plan p2)

void auto_correlate_fftw(fftw_complex *data, fftw_plan p1, fftw_plan p2, size_t NF): Replaces the data within the array with its auto-correlated value using FFT (scales with N)

template<class T> void square_elements(std::vector<std::complex<T>> &data)

void square_elements(fftw_complex *data, size_t N): Element-wise squaring of an array

template<class T> void multiply_elements(const T &factor, std::vector<std::complex<T>> &data)

void multiply_elements(const double factor, fftw_complex *data, size_t NF): Element-wise multiplication of an array

template<class T> void add_elements(std::vector<std::complex<T>> &target, const std::vector<std::complex<T>> &source)

void add_elements(fftw_complex *target, const fftw_complex *source, size_t NF): Element-wise addition of two arrays

template<class T> void add_elements(std::vector<std::complex<T>> &target, const fftw_complex *source, size_t N)

template<class T> std::complex<T> reduce(const std::vector<std::complex<T>> &data)

template<class T> std::complex<T> reduce(const fftw_complex *data, size_t N): Computes the sum of an array