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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@2710 331e1502-861f-0410-8da2-ba01fb791d7f
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quemy 2012-07-16 09:38:48 +00:00
commit e3a610506b
1731 changed files with 105122 additions and 63920 deletions
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45
branches/rc2.0/eo/src/es/matrices.h Normal file
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#ifndef MATRICES_H
#define MATRICES_H
#include <vector>
/** @ingroup Utilities
*/
class lower_triangular_matrix {
unsigned n;
std::vector<double> data;
public:
lower_triangular_matrix(unsigned n_ = 0) : n(n_), data(n * (n+1) / 2) {};
void resize(unsigned n_) {
n = n_;
data.resize(n*(n+1)/2);
}
std::vector<double>::iterator operator[](unsigned i) { return data.begin() + i * (i+1) / 2; }
std::vector<double>::const_iterator operator[](unsigned i) const { return data.begin() + i*(i+1)/2; }
};
/** @ingroup Utilities
*/
class square_matrix {
unsigned n;
std::vector<double> data;
public:
square_matrix(unsigned n_ = 0) : n(n_), data(n * n) {};
void resize(unsigned n_) {
n = n_;
data.resize(n*n);
}
std::vector<double>::iterator operator[](unsigned i) { return data.begin() + i * n; }
std::vector<double>::const_iterator operator[](unsigned i) const { return data.begin() + i*n; }
};
#endif