Operators and operator manipulation

Files
file	convolution_matrix.hpp
	Implemenetation of class template NiHu::fmm::convolution_matrix.
file	fmm_indexed.hpp
	Interface for indexing FMM operators.
file	fmm_integrated.hpp
	Integrated operators (P2P, P2X, X2P)
file	fmm_operator.hpp
	FMM operator types and tags.
file	fmm_operator_collection.hpp
	Implementation of NiHu::fmm::fmm_operator_collection.
file	fmm_precompute.hpp
	Operator pre-computation interface.
file	identity_p2p_operator.h
	Definition of class NiHu::fmm::identity_p2p_operator.
file	integral_operator_expression.hpp
	Arithmetics of integral operators.
file	leaf_precompute.hpp
	Precomputation of P2M, P2L, M2P, L2P operators.
file	local_operator.hpp
	Interface of local operator.
file	operator_with_wave_number.hpp
	Implementation of class template NiHu::fmm::operator_with_wave_number.
file	p2p.hpp
	P2P operator.
file	p2p_integral.hpp
	P2P integral.
file	p2p_precompute.hpp
	Pre-computation of P2P operators for acceleration.
file	p2x_cluster_indexed.hpp
	Cluster indexing for P2M and P2L operators.
file	p2x_indexed.hpp
	Implementation of class NiHu::fmm::p2x_indexed.
file	p2x_integral.hpp
	Implementation of class template NiHu::fmm::p2x_integral.
file	x2p_cluster_indexed.hpp
	M2P and L2P cluster indexing.
file	x2p_indexed.hpp
	Leaf indexing of M2P and L2P operators.
file	x2p_integral.hpp
	Implementation of class template NiHu::fmm::x2p_integral.
file	x2x_cluster_indexed.hpp
	Implementation of class template NiHu::fmm::x2x_cluster_indexed.
file	x2x_precompute.hpp
	Implementation of class template NiHu::fmm::x2x_precompute.

Detailed Description