/usr/include/mia-2.2/mia/2d/fuzzyclustersolver_cg.hh is in libmia-2.2-dev 2.2.2-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | /* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2014 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __SOLVERCG_HH
#define __SOLVERCG_HH
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <mia/2d.hh>
#include <cstdio>
#include <stdexcept>
#include <string>
NS_MIA_BEGIN
using namespace std;
/*! \brief function defining field borders
\param index index running from 0 to NoOfPixels
\param nx no of pixels in x
\param ny no of pixels in y
*/
extern bool fborder (long index, long nx, long ny);
/*!
@ingroup filtering
\brief solve_sCG -- a class providing a CG solver
This contains basic solver functions based on CG schemes
\author Stefan Burckhardt and Carsten Wolters, wolters@mis.mpg.de, 2004
\remark adapted for libmona by Heike Jaenicke and Marc Tittgemeyer, tittge@cbs.mpg.de, 2004
\remark adapted for mia2 by Gert Wollny, gw.fossdev@gmail.com 2011
*/
class C2DSolveCG {
private:
double m_lambda1;
double m_lambda2;
// Dimension of images
long m_iter;
int m_nx, m_ny;
unsigned long m_count;
// Pointer to Elements of w
float *m_weight_imagePtr;
float *m_fptr;
float *m_gain_image_ptr;
// b and x for solution of system
std::vector<double> m_b;
std::vector<double> m_v;
// counts iterations
// help pointers for one iteration cycle
std::vector<double> m_r; // r^(k)
std::vector<double> m_rho; // p^(k)
std::vector<double> m_g;
std::vector<double> m_Ag; // speichert A * p
// Field of scaling factors
std::vector<double> m_scale;
std::vector<double> m_scale2;
// field for border voxels
std::vector<bool> m_border;
double m_r1rho1; // speichert r1 * rho1
double m_r2rho2; // speichert r2 * rho2
double m_normr0;
double m_q, m_e, m_sprod;
// minimal residuum
double m_min_res, m_relres;
/** function for initialising
*/
void init();
public:
/** constructor
\param w1
\param f1
\param g1
\param l1
\param l2
\param r_res
\param m_res
*/
C2DSolveCG (C2DFImage& w1, C2DFImage& f1, C2DFImage& g1, double l1, double l2, double r_res, double m_res);
~C2DSolveCG();
/** Function to solve ...
\param max_iterations Maximum number of iterations
\param firstnormr0
\returns
*/
int solve(long max_iterations, double *firstnormr0);
/** Function to get preset number of iterations
\returns Number of iterations
*/
inline long get_iterations() {return m_iter;}
/** Multiplication of vector and matrix
TODO mit standard classe Austauschen
\param x
\param result
\param start
\param ende
*/
void multA(std::vector<double>& x, std::vector<double>& result, long start, long ende);
/** Multiplication
TODO mit standard classe Austauschen
\param x Pointer at
\param result Pointer at
*/
void multA_float(float *x, float *result);
/**
\param gain Image with gain-field
*/
void get_solution(C2DFImage& gain);
/**
\param e
*/
void add_to_solution(C2DFImage *e);
/** function for parallel solver
@param max_iteration
@param normr
@param firstnormr0
*/
void solvepar(long *max_iteration, double *normr, double *firstnormr0);
};
NS_MIA_END
#endif
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