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/*
* Tiny Vector Matrix Library
* Dense Vector Matrix Libary of Tiny size using Expression Templates
*
* Copyright (C) 2001 - 2003 Olaf Petzold <opetzold@users.sourceforge.net>
*
* 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: UnaryFunctionals.h,v 1.18 2004/10/04 11:44:42 opetzold Exp $
*/
#ifndef TVMET_UNARY_FUNCTIONAL_H
#define TVMET_UNARY_FUNCTIONAL_H
namespace tvmet {
/** \class Fcnl_compl UnaryFunctionals.h "tvmet/UnaryFunctionals.h" */
/** \class Fcnl_neg UnaryFunctionals.h "tvmet/UnaryFunctionals.h" */
#define TVMET_IMPLEMENT_MACRO(NAME, OP) \
template <class T> \
struct Fcnl_##NAME : public UnaryFunctional { \
typedef T value_type; \
\
static inline \
value_type apply_on(value_type rhs) { \
return OP rhs; \
} \
\
static \
void print_xpr(std::ostream& os, int l=0) { \
os << IndentLevel(l) << "Fcnl_" << #NAME << "<T=" \
<< typeid(T).name() << ">," \
<< std::endl; \
} \
};
TVMET_IMPLEMENT_MACRO(neg, -)
#undef TVMET_IMPLEMENT_MACRO
/*
* complex support
*/
#if defined(EIGEN_USE_COMPLEX)
/**
* \class Fcnl_conj< std::complex<T> > UnaryFunctionals.h "tvmet/UnaryFunctionals.h"
* \brief %Functional for conj.
*/
template <class T> struct Fcnl_conj : public UnaryFunctional { };
/** \class Fcnl_conj< std::complex<T> > UnaryFunctionals.h "tvmet/UnaryFunctionals.h" */
template <class T>
struct Fcnl_conj< std::complex<T> > : public UnaryFunctional {
typedef std::complex<T> value_type;
static inline
value_type apply_on(const std::complex<T>& rhs) {
return std::conj(rhs);
}
static
void print_xpr(std::ostream& os, int l=0) {
os << IndentLevel(l) << "Fcnl_conj<T="
<< typeid(std::complex<T>).name() << ">,"
<< std::endl;
}
};
/** \class Fcnl_real< std::complex<T> > UnaryFunctionals.h "tvmet/UnaryFunctionals.h" */
/** \class Fcnl_imag< std::complex<T> > UnaryFunctionals.h "tvmet/UnaryFunctionals.h" */
#define TVMET_IMPLEMENT_MACRO(NAME) \
template <class T> struct Fcnl_##NAME; \
template <class T> \
struct Fcnl_##NAME< std::complex<T> > : public UnaryFunctional { \
typedef T value_type; \
\
static inline \
value_type apply_on(const std::complex<T>& rhs) { \
return TVMET_STD_SCOPE(NAME)(rhs); \
} \
\
static \
void print_xpr(std::ostream& os, int l=0) { \
os << IndentLevel(l) << "Fcnl_" << #NAME << "<T=" \
<< typeid(std::complex<T>).name() << ">," \
<< std::endl; \
} \
};
TVMET_IMPLEMENT_MACRO(real)
TVMET_IMPLEMENT_MACRO(imag)
#undef TVMET_IMPLEMENT_MACRO
#endif // defined(EIGEN_USE_COMPLEX)
} // namespace tvmet
#endif // TVMET_UNARY_FUNCTIONAL_H
// Local Variables:
// mode:C++
// End:
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