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Marco Biasini authoredMarco Biasini authored
conjugate.hh 1.99 KiB
//------------------------------------------------------------------------------
// This file is part of the OpenStructure project <www.openstructure.org>
//
// Copyright (C) 2008-2011 by the OpenStructure authors
// Copyright (C) 2003-2010 by the IPLT authors
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3.0 of the License, or (at your option)
// any later version.
// This library 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 Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//------------------------------------------------------------------------------
#ifndef IMG_ALG_COMMON_CONJ_HH
#define IMG_ALG_COMMON_CONJ_HH
#include <ost/img/image.hh>
#include <ost/img/image_state.hh>
#include <ost/img/alg/module_config.hh>
namespace ost { namespace img { namespace alg {
namespace {
// conjugate helper method
template <typename V>
void do_conj_ip(image_state::ValueHolder<V>& vh);
// complex specialization
template<>
void do_conj_ip<Complex>(image_state::ValueHolder<Complex>& vh)
{
for(Complex* it=vh.GetData();it!=vh.GetEnd();++it) {
(*it) = std::conj(*it);
}
}
// generic case - emtpy
template <typename V>
void do_conj_ip(image_state::ValueHolder<V>& vh) {}
} // anon ns
struct DLLEXPORT_IMG_ALG ConjFnc {
template <typename T, class D>
void VisitState(ImageStateImpl<T,D>& isi) const {
do_conj_ip(isi.Data());
}
static String GetAlgorithmName() {return "Conj";}
};
typedef ImageStateConstModIPAlgorithm<ConjFnc> Conj;
}
//no expl inst. header only impl
}} // ns
#endif