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ublas/doc/samples/symmetric_adaptor.cpp
Jörg Walter 4ab34dbb6e Documentation update and some fixes.
[SVN r17184]
2003-02-04 07:22:11 +00:00

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617 B
C++

#include <boost/numeric/ublas/symmetric.hpp>
#include <boost/numeric/ublas/io.hpp>
int main () {
using namespace boost::numeric::ublas;
matrix<double> m (3, 3);
symmetric_adaptor<matrix<double>, lower> sal (m);
for (unsigned i = 0; i < sal.size1 (); ++ i)
for (unsigned j = 0; j <= i; ++ j)
sal (i, j) = 3 * i + j;
std::cout << sal << std::endl;
symmetric_adaptor<matrix<double>, upper> sau (m);
for (unsigned i = 0; i < sau.size1 (); ++ i)
for (unsigned j = i; j < sau.size2 (); ++ j)
sau (i, j) = 3 * i + j;
std::cout << sau << std::endl;
}