lssolve.cpp File Reference

#include "mat.hpp"
#include <cstring>
#include <iostream>
#include <cassert>
#include "vec.hpp"
#include <cmath>

Go to the source code of this file.

Functions
static void	lu (const Mat< double > &X, Mat< double > &L, Mat< double > &U, Vec< int > &p)
	This stuff is shamelessly ripped from IT++.
static void	interchangePermutations (Vec< double > &b, const Vec< int > &p)
static void	forwardSubstitution (const Mat< double > &L, const Vec< double > &b, Vec< double > &x)
static void	backwardSubstitution (const Mat< double > &U, const Vec< double > &b, Vec< double > &x)
static Vec< double >	lsSolve (const Mat< double > &L, const Mat< double > &U, const Vec< double > &b)
Vec< double >	lsSolve (const Mat< double > &A, const Vec< double > &b)

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Function Documentation

static void backwardSubstitution	(	const Mat< double > &	U,
		const Vec< double > &	b,
		Vec< double > &	x
	)			[static]

Definition at line 114 of file lssolve.cpp.

References Mat< T >::data(), Vec< T >::size(), Mat< T >::xs(), and Mat< T >::ys().

Referenced by lsSolve().

static void forwardSubstitution	(	const Mat< double > &	L,
		const Vec< double > &	b,
		Vec< double > &	x
	)			[static]

Definition at line 94 of file lssolve.cpp.

References Mat< T >::data(), Vec< T >::size(), Mat< T >::xs(), and Mat< T >::ys().

Referenced by lsSolve().

static void interchangePermutations	(	Vec< double > &	b,
		const Vec< int > &	p
	)			[static]

Definition at line 84 of file lssolve.cpp.

References Vec< T >::size(), and SWAP.

Referenced by lsSolve().

Vec<double> lsSolve	(	const Mat< double > &	A,
		const Vec< double > &	b
	)

Definition at line 149 of file lssolve.cpp.

References interchangePermutations(), lsSolve(), and lu().

Referenced by Resistance::ComputeScores().

static Vec<double> lsSolve	(	const Mat< double > &	L,
		const Mat< double > &	U,
		const Vec< double > &	b
	)			[static]

Definition at line 138 of file lssolve.cpp.

References backwardSubstitution(), forwardSubstitution(), and Mat< T >::ys().

Referenced by lsSolve().

static void lu	(	const Mat< double > &	X,
		Mat< double > &	L,
		Mat< double > &	U,
		Vec< int > &	p
	)			[static]

This stuff is shamelessly ripped from IT++.

Original copyright notice follows.

---------------------------------------------------------------------------* IT++ * ---------------------------------------------------------------------------* Copyright (c) 1995-2001 by Tony Ottosson, Thomas Eriksson, Pål Frenger, * Tobias Ringström, and Jonas Samuelsson. * * Permission to use, copy, modify, and distribute this software and its * documentation under the terms of the GNU General Public License is hereby * granted. No representations are made about the suitability of this * software for any purpose. It is provided "as is" without expressed or * implied warranty. See the GNU General Public License for more details. * ---------------------------------------------------------------------------

Definition at line 24 of file lssolve.cpp.

References Mat< T >::data(), Mat< T >::setSize(), Vec< T >::setSize(), Mat< T >::swapRows(), Mat< T >::xs(), and Mat< T >::ys().

Referenced by lsSolve().