WSJT-X/boost/libs/numeric/ublas/doc/samples/hermitian_adaptor.cpp

35 lines
1.2 KiB
C++

//
// Copyright (c) 2000-2002
// Joerg Walter, Mathias Koch
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// The authors gratefully acknowledge the support of
// GeNeSys mbH & Co. KG in producing this work.
//
#include <boost/numeric/ublas/hermitian.hpp>
#include <boost/numeric/ublas/io.hpp>
int main () {
using namespace boost::numeric::ublas;
matrix<std::complex<double> > m (3, 3);
hermitian_adaptor<matrix<std::complex<double> >, lower> hal (m);
for (unsigned i = 0; i < hal.size1 (); ++ i) {
for (unsigned j = 0; j < i; ++ j)
hal (i, j) = std::complex<double> (3 * i + j, 3 * i + j);
hal (i, i) = std::complex<double> (4 * i, 0);
}
std::cout << hal << std::endl;
hermitian_adaptor<matrix<std::complex<double> >, upper> hau (m);
for (unsigned i = 0; i < hau.size1 (); ++ i) {
hau (i, i) = std::complex<double> (4 * i, 0);
for (unsigned j = i + 1; j < hau.size2 (); ++ j)
hau (i, j) = std::complex<double> (3 * i + j, 3 * i + j);
}
std::cout << hau << std::endl;
}