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tvmet/BinaryFunctionals.h
- Committer:
- madcowswe
- Date:
- 2013-04-06
- Revision:
- 15:9c5aaeda36dc
File content as of revision 15:9c5aaeda36dc:
/* * Tiny Vector Matrix Library * Dense Vector Matrix Libary of Tiny size using Expression Templates * * Copyright (C) 2001 - 2007 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: BinaryFunctionals.h,v 1.24 2007-06-23 15:58:58 opetzold Exp $ */ #ifndef TVMET_BINARY_FUNCTIONAL_H #define TVMET_BINARY_FUNCTIONAL_H namespace tvmet { /** * \class Fcnl_assign BinaryFunctionals.h "tvmet/BinaryFunctionals.h" * \brief Binary operator for assign operations. * * Unfortunally we have sometimes to cast on assign operations e.g., * on assign on different POD. So we avoid warnings. */ template <class T1, class T2> struct Fcnl_assign : public BinaryFunctional { static inline void apply_on(T1& _tvmet_restrict lhs, T2 rhs) { lhs = static_cast<T1>(rhs); } static void print_xpr(std::ostream& os, std::size_t l=0) { os << IndentLevel(l) << "fcnl_assign<T1=" << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," << std::endl; } }; /** \class Fcnl_add_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_sub_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_mul_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_div_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_mod_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_xor_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_and_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_or_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_shl_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_shr_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ template <class T1, class T2> \ struct Fcnl_##NAME : public BinaryFunctional { \ typedef void value_type; \ \ static inline \ void apply_on(T1& _tvmet_restrict lhs, T2 rhs) { \ lhs OP rhs; \ } \ \ static \ void print_xpr(std::ostream& os, std::size_t l=0) { \ os << IndentLevel(l) \ << "Fcnl_" << #NAME << "<T1=" \ << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ << std::endl; \ } \ }; TVMET_IMPLEMENT_MACRO(add_eq, +=) TVMET_IMPLEMENT_MACRO(sub_eq, -=) TVMET_IMPLEMENT_MACRO(mul_eq, *=) TVMET_IMPLEMENT_MACRO(div_eq, /=) TVMET_IMPLEMENT_MACRO(mod_eq, %=) TVMET_IMPLEMENT_MACRO(xor_eq, ^=) TVMET_IMPLEMENT_MACRO(and_eq, &=) TVMET_IMPLEMENT_MACRO(or_eq, |=) TVMET_IMPLEMENT_MACRO(shl_eq, <<=) TVMET_IMPLEMENT_MACRO(shr_eq, >>=) #undef TVMET_IMPLEMENT_MACRO /** \class Fcnl_add BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_sub BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_mul BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_div BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_mod BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_bitxor BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_bitand BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_bitor BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_shl BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_shr BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ template <class T1, class T2> \ struct Fcnl_##NAME : public BinaryFunctional { \ typedef typename PromoteTraits<T1, T2>::value_type value_type; \ \ static inline \ value_type apply_on(T1 lhs, T2 rhs) { \ return lhs OP rhs; \ } \ \ static \ void print_xpr(std::ostream& os, std::size_t l=0) { \ os << IndentLevel(l) \ << "Fcnl_" << #NAME << "<T1=" \ << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ << std::endl; \ } \ }; TVMET_IMPLEMENT_MACRO(add, +) TVMET_IMPLEMENT_MACRO(sub, -) TVMET_IMPLEMENT_MACRO(mul, *) TVMET_IMPLEMENT_MACRO(div, /) TVMET_IMPLEMENT_MACRO(mod, %) TVMET_IMPLEMENT_MACRO(bitxor, ^) TVMET_IMPLEMENT_MACRO(bitand, &) TVMET_IMPLEMENT_MACRO(bitor, |) TVMET_IMPLEMENT_MACRO(shl, <<) TVMET_IMPLEMENT_MACRO(shr, >>) #undef TVMET_IMPLEMENT_MACRO /** \class Fcnl_greater BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_greater_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_less BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_less_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_not_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_and BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_or BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ template <class T1, class T2> \ struct Fcnl_##NAME : public BinaryFunctional { \ typedef bool value_type; \ \ static inline \ bool apply_on(T1 lhs, T2 rhs) { \ return lhs OP rhs; \ } \ \ static \ void print_xpr(std::ostream& os, std::size_t l=0) { \ os << IndentLevel(l) \ << "Fcnl_" << #NAME << "<T1=" \ << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ << std::endl; \ } \ }; TVMET_IMPLEMENT_MACRO(greater, >) TVMET_IMPLEMENT_MACRO(less, <) TVMET_IMPLEMENT_MACRO(greater_eq, >=) TVMET_IMPLEMENT_MACRO(less_eq, <=) TVMET_IMPLEMENT_MACRO(eq, ==) TVMET_IMPLEMENT_MACRO(not_eq, !=) TVMET_IMPLEMENT_MACRO(and, &&) TVMET_IMPLEMENT_MACRO(or, ||) #undef TVMET_IMPLEMENT_MACRO /** \class Fcnl_atan2 BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_fmod BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_pow BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ #define TVMET_IMPLEMENT_MACRO(NAME) \ template <class T1, class T2> \ struct Fcnl_##NAME : public BinaryFunctional { \ typedef typename PromoteTraits<T1, T2>::value_type value_type; \ \ static inline \ value_type apply_on(T1 lhs, T2 rhs) { \ return TVMET_STD_SCOPE(NAME)(lhs, rhs); \ } \ \ static \ void print_xpr(std::ostream& os, std::size_t l=0) { \ os << IndentLevel(l) \ << "Fcnl_" << #NAME << "<T1=" \ << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ << std::endl; \ } \ }; TVMET_IMPLEMENT_MACRO(atan2) TVMET_IMPLEMENT_MACRO(fmod) TVMET_IMPLEMENT_MACRO(pow) #undef TVMET_IMPLEMENT_MACRO /** \class Fcnl_drem BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_hypot BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_jn BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ /** \class Fcnl_yn BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ #define TVMET_IMPLEMENT_MACRO(NAME) \ template <class T1, class T2> \ struct Fcnl_##NAME : public BinaryFunctional { \ typedef typename PromoteTraits<T1, T2>::value_type value_type; \ \ static inline \ value_type apply_on(T1 lhs, T2 rhs) { \ return TVMET_GLOBAL_SCOPE(NAME)(lhs, rhs); \ } \ \ static \ void print_xpr(std::ostream& os, std::size_t l=0) { \ os << IndentLevel(l) \ << "Fcnl_" << #NAME << "<T1=" \ << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ << std::endl; \ } \ }; TVMET_IMPLEMENT_MACRO(drem) TVMET_IMPLEMENT_MACRO(hypot) TVMET_IMPLEMENT_MACRO(jn) TVMET_IMPLEMENT_MACRO(yn) #undef TVMET_IMPLEMENT_MACRO #if defined(TVMET_HAVE_COMPLEX) /** * \class Fcnl_polar BinaryFunctionals.h "tvmet/BinaryFunctionals.h" * \brief %Functional for polar. */ template <class T1, class T2> struct Fcnl_polar : public BinaryFunctional { }; /** * \class Fcnl_polar<T,T> BinaryFunctionals.h "tvmet/BinaryFunctionals.h" * \brief %Functional for polar. * \note This functional is partialy specialized due to the declaration * of %polar in namespace std <tt>complex<T> polar(T, T)</tt>. * This means especially that type promotion isn't avaible here. */ template <class T> struct Fcnl_polar<T,T> : public BinaryFunctional { typedef std::complex<T> value_type; static inline value_type apply_on(T lhs, T rhs) { return std::polar(lhs, rhs); } static void print_xpr(std::ostream& os, std::size_t l=0) { os << IndentLevel(l) << "Fcnl_polar<T1=" << typeid(T).name() << ", T2=" << typeid(T).name() << ">," << std::endl; } }; #endif // defined(TVMET_HAVE_COMPLEX) /** * \class Fcnl_swap BinaryFunctionals.h "tvmet/BinaryFunctionals.h" * \brief Binary operator for swapping values using temporaries. */ template <class T1, class T2> struct Fcnl_swap : public BinaryFunctional { static inline void apply_on(T1& _tvmet_restrict lhs, T2& _tvmet_restrict rhs) { typedef typename PromoteTraits<T1, T2>::value_type temp_type; temp_type temp(lhs); lhs = static_cast<T1>(rhs); rhs = static_cast<T2>(temp); } static void print_xpr(std::ostream& os, std::size_t l=0) { os << IndentLevel(l) << "Fcnl_swap<T1=" << typeid(T1).name() << ", T2" << typeid(T2).name() << ">," << std::endl; } }; } // namespace tvmet #endif // TVMET_BINARY_FUNCTIONAL_H // Local Variables: // mode:C++ // tab-width:8 // End: