transform

Files
	fourier.hpp
	Provides the Fourier transform factories and the lazy fourier(...) assignment for Green's functions.
	fourier_common.cpp
	Implementation of the low-level FFTW wrapper shared by the Fourier transform implementations.
	fourier_common.hpp
	Declares the low-level FFTW wrapper shared by the Fourier transform implementations.
	fourier_lattice.cpp
	Implementation of the cyclic-lattice/Brillouin-zone Fourier transforms.
	fourier_matsubara.cpp
	Implementation of the imaginary-time/Matsubara-frequency Fourier transforms.
	fourier_real.cpp
	Implementation of the real-time/real-frequency Fourier transforms.
	legendre_matsubara.hpp
	Provides transformations between Legendre-basis and Matsubara (imaginary-time / imaginary-frequency) Green's functions.
	pade.cpp
	Implementation of the Pade analytic continuation.
	pade.hpp
	Provides the Pade analytic continuation from Matsubara to real frequencies.
	partial_transform.hpp
	Provides a helper to apply a transform to a single component of a product-mesh Green's function.