howto-conjugate.cc (flens/examples/howto-conjugate.cc)

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#include <cxxstd/iostream.h>

#include <flens/flens.cxx>

using namespace flens;

using namespace std;

int

main()

{

    typedef complex<double>                     ZComplex;

    typedef GeMatrix<FullStorage<ZComplex> >    ZGeMatrix;

    ZComplex   I(0,1);

    ZGeMatrix  A(2,3);

    A = 2.*I, 3.+I,    1.,

        4.,   2.+2.*I, 4.;

    cout << "A = " << A << endl;

    // in-place conjugate (via overloaded operators)

    A = conjugate(A);

    cout << "A = " << A << endl;

    // in-place conjugate (via explicit copy call)

    blas::copy(Conj, A, A);

    cout << "A = " << A << endl;

    // in-place conjugate (via explicit call)  (new)

    blas::conj(A);

    cout << "A = " << A << endl;

    // elementwise variant

    ZGeMatrix::IndexVariable  k, l;

    A(k,l) = Real(A(k,l)) - Imag(A(k,l)) * I;

    cout << "A = " << A << endl;

}