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BinaryFunctionals.h
00001 /* 00002 * Tiny Vector Matrix Library 00003 * Dense Vector Matrix Libary of Tiny size using Expression Templates 00004 * 00005 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net> 00006 * 00007 * This library is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with this library; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 * 00021 * $Id: BinaryFunctionals.h,v 1.24 2007-06-23 15:58:58 opetzold Exp $ 00022 */ 00023 00024 #ifndef TVMET_BINARY_FUNCTIONAL_H 00025 #define TVMET_BINARY_FUNCTIONAL_H 00026 00027 namespace tvmet { 00028 00029 00030 /** 00031 * \class Fcnl_assign BinaryFunctionals.h "tvmet/BinaryFunctionals.h" 00032 * \brief Binary operator for assign operations. 00033 * 00034 * Unfortunally we have sometimes to cast on assign operations e.g., 00035 * on assign on different POD. So we avoid warnings. 00036 */ 00037 template <class T1, class T2> 00038 struct Fcnl_assign : public BinaryFunctional { 00039 static inline 00040 void apply_on(T1& _tvmet_restrict lhs, T2 rhs) { 00041 lhs = static_cast<T1>(rhs); 00042 } 00043 00044 static 00045 void print_xpr(std::ostream& os, std::size_t l=0) { 00046 os << IndentLevel(l) << "fcnl_assign<T1=" 00047 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," 00048 << std::endl; 00049 } 00050 }; 00051 00052 00053 /** \class Fcnl_add_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00054 /** \class Fcnl_sub_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00055 /** \class Fcnl_mul_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00056 /** \class Fcnl_div_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00057 /** \class Fcnl_mod_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00058 /** \class Fcnl_xor_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00059 /** \class Fcnl_and_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00060 /** \class Fcnl_or_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00061 /** \class Fcnl_shl_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00062 /** \class Fcnl_shr_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00063 #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ 00064 template <class T1, class T2> \ 00065 struct Fcnl_##NAME : public BinaryFunctional { \ 00066 typedef void value_type; \ 00067 \ 00068 static inline \ 00069 void apply_on(T1& _tvmet_restrict lhs, T2 rhs) { \ 00070 lhs OP rhs; \ 00071 } \ 00072 \ 00073 static \ 00074 void print_xpr(std::ostream& os, std::size_t l=0) { \ 00075 os << IndentLevel(l) \ 00076 << "Fcnl_" << #NAME << "<T1=" \ 00077 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ 00078 << std::endl; \ 00079 } \ 00080 }; 00081 00082 TVMET_IMPLEMENT_MACRO(add_eq, +=) 00083 TVMET_IMPLEMENT_MACRO(sub_eq, -=) 00084 TVMET_IMPLEMENT_MACRO(mul_eq, *=) 00085 TVMET_IMPLEMENT_MACRO(div_eq, /=) 00086 TVMET_IMPLEMENT_MACRO(mod_eq, %=) 00087 TVMET_IMPLEMENT_MACRO(xor_eq, ^=) 00088 TVMET_IMPLEMENT_MACRO(and_eq, &=) 00089 TVMET_IMPLEMENT_MACRO(or_eq, |=) 00090 TVMET_IMPLEMENT_MACRO(shl_eq, <<=) 00091 TVMET_IMPLEMENT_MACRO(shr_eq, >>=) 00092 00093 #undef TVMET_IMPLEMENT_MACRO 00094 00095 00096 /** \class Fcnl_add BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00097 /** \class Fcnl_sub BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00098 /** \class Fcnl_mul BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00099 /** \class Fcnl_div BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00100 /** \class Fcnl_mod BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00101 /** \class Fcnl_bitxor BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00102 /** \class Fcnl_bitand BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00103 /** \class Fcnl_bitor BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00104 /** \class Fcnl_shl BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00105 /** \class Fcnl_shr BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00106 #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ 00107 template <class T1, class T2> \ 00108 struct Fcnl_##NAME : public BinaryFunctional { \ 00109 typedef typename PromoteTraits<T1, T2>::value_type value_type; \ 00110 \ 00111 static inline \ 00112 value_type apply_on(T1 lhs, T2 rhs) { \ 00113 return lhs OP rhs; \ 00114 } \ 00115 \ 00116 static \ 00117 void print_xpr(std::ostream& os, std::size_t l=0) { \ 00118 os << IndentLevel(l) \ 00119 << "Fcnl_" << #NAME << "<T1=" \ 00120 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ 00121 << std::endl; \ 00122 } \ 00123 }; 00124 00125 TVMET_IMPLEMENT_MACRO(add, +) 00126 TVMET_IMPLEMENT_MACRO(sub, -) 00127 TVMET_IMPLEMENT_MACRO(mul, *) 00128 TVMET_IMPLEMENT_MACRO(div, /) 00129 TVMET_IMPLEMENT_MACRO(mod, %) 00130 TVMET_IMPLEMENT_MACRO(bitxor, ^) 00131 TVMET_IMPLEMENT_MACRO(bitand, &) 00132 TVMET_IMPLEMENT_MACRO(bitor, |) 00133 TVMET_IMPLEMENT_MACRO(shl, <<) 00134 TVMET_IMPLEMENT_MACRO(shr, >>) 00135 00136 #undef TVMET_IMPLEMENT_MACRO 00137 00138 00139 /** \class Fcnl_greater BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00140 /** \class Fcnl_greater_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00141 /** \class Fcnl_less BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00142 /** \class Fcnl_less_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00143 /** \class Fcnl_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00144 /** \class Fcnl_not_eq BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00145 /** \class Fcnl_and BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00146 /** \class Fcnl_or BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00147 #define TVMET_IMPLEMENT_MACRO(NAME, OP) \ 00148 template <class T1, class T2> \ 00149 struct Fcnl_##NAME : public BinaryFunctional { \ 00150 typedef bool value_type; \ 00151 \ 00152 static inline \ 00153 bool apply_on(T1 lhs, T2 rhs) { \ 00154 return lhs OP rhs; \ 00155 } \ 00156 \ 00157 static \ 00158 void print_xpr(std::ostream& os, std::size_t l=0) { \ 00159 os << IndentLevel(l) \ 00160 << "Fcnl_" << #NAME << "<T1=" \ 00161 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ 00162 << std::endl; \ 00163 } \ 00164 }; 00165 00166 TVMET_IMPLEMENT_MACRO(greater, >) 00167 TVMET_IMPLEMENT_MACRO(less, <) 00168 TVMET_IMPLEMENT_MACRO(greater_eq, >=) 00169 TVMET_IMPLEMENT_MACRO(less_eq, <=) 00170 TVMET_IMPLEMENT_MACRO(eq, ==) 00171 TVMET_IMPLEMENT_MACRO(not_eq, !=) 00172 TVMET_IMPLEMENT_MACRO(and, &&) 00173 TVMET_IMPLEMENT_MACRO(or, ||) 00174 00175 #undef TVMET_IMPLEMENT_MACRO 00176 00177 00178 /** \class Fcnl_atan2 BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00179 /** \class Fcnl_fmod BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00180 /** \class Fcnl_pow BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00181 #define TVMET_IMPLEMENT_MACRO(NAME) \ 00182 template <class T1, class T2> \ 00183 struct Fcnl_##NAME : public BinaryFunctional { \ 00184 typedef typename PromoteTraits<T1, T2>::value_type value_type; \ 00185 \ 00186 static inline \ 00187 value_type apply_on(T1 lhs, T2 rhs) { \ 00188 return TVMET_STD_SCOPE(NAME)(lhs, rhs); \ 00189 } \ 00190 \ 00191 static \ 00192 void print_xpr(std::ostream& os, std::size_t l=0) { \ 00193 os << IndentLevel(l) \ 00194 << "Fcnl_" << #NAME << "<T1=" \ 00195 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ 00196 << std::endl; \ 00197 } \ 00198 }; 00199 00200 TVMET_IMPLEMENT_MACRO(atan2) 00201 TVMET_IMPLEMENT_MACRO(fmod) 00202 TVMET_IMPLEMENT_MACRO(pow) 00203 00204 #undef TVMET_IMPLEMENT_MACRO 00205 00206 00207 /** \class Fcnl_drem BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00208 /** \class Fcnl_hypot BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00209 /** \class Fcnl_jn BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00210 /** \class Fcnl_yn BinaryFunctionals.h "tvmet/BinaryFunctionals.h" */ 00211 #define TVMET_IMPLEMENT_MACRO(NAME) \ 00212 template <class T1, class T2> \ 00213 struct Fcnl_##NAME : public BinaryFunctional { \ 00214 typedef typename PromoteTraits<T1, T2>::value_type value_type; \ 00215 \ 00216 static inline \ 00217 value_type apply_on(T1 lhs, T2 rhs) { \ 00218 return TVMET_GLOBAL_SCOPE(NAME)(lhs, rhs); \ 00219 } \ 00220 \ 00221 static \ 00222 void print_xpr(std::ostream& os, std::size_t l=0) { \ 00223 os << IndentLevel(l) \ 00224 << "Fcnl_" << #NAME << "<T1=" \ 00225 << typeid(T1).name() << ", T2=" << typeid(T2).name() << ">," \ 00226 << std::endl; \ 00227 } \ 00228 }; 00229 00230 TVMET_IMPLEMENT_MACRO(drem) 00231 TVMET_IMPLEMENT_MACRO(hypot) 00232 TVMET_IMPLEMENT_MACRO(jn) 00233 TVMET_IMPLEMENT_MACRO(yn) 00234 00235 #undef TVMET_IMPLEMENT_MACRO 00236 00237 00238 #if defined(TVMET_HAVE_COMPLEX) 00239 /** 00240 * \class Fcnl_polar BinaryFunctionals.h "tvmet/BinaryFunctionals.h" 00241 * \brief %Functional for polar. 00242 */ 00243 template <class T1, class T2> struct Fcnl_polar : public BinaryFunctional { }; 00244 00245 00246 /** 00247 * \class Fcnl_polar<T,T> BinaryFunctionals.h "tvmet/BinaryFunctionals.h" 00248 * \brief %Functional for polar. 00249 * \note This functional is partialy specialized due to the declaration 00250 * of %polar in namespace std <tt>complex<T> polar(T, T)</tt>. 00251 * This means especially that type promotion isn't avaible here. 00252 */ 00253 template <class T> 00254 struct Fcnl_polar<T,T> : public BinaryFunctional { 00255 typedef std::complex<T> value_type; 00256 00257 static inline 00258 value_type apply_on(T lhs, T rhs) { 00259 return std::polar(lhs, rhs); 00260 } 00261 00262 static 00263 void print_xpr(std::ostream& os, std::size_t l=0) { 00264 os << IndentLevel(l) << "Fcnl_polar<T1=" 00265 << typeid(T).name() << ", T2=" << typeid(T).name() << ">," 00266 << std::endl; 00267 } 00268 }; 00269 #endif // defined(TVMET_HAVE_COMPLEX) 00270 00271 00272 /** 00273 * \class Fcnl_swap BinaryFunctionals.h "tvmet/BinaryFunctionals.h" 00274 * \brief Binary operator for swapping values using temporaries. 00275 */ 00276 template <class T1, class T2> 00277 struct Fcnl_swap : public BinaryFunctional { 00278 static inline 00279 void apply_on(T1& _tvmet_restrict lhs, T2& _tvmet_restrict rhs) { 00280 typedef typename PromoteTraits<T1, T2>::value_type temp_type; 00281 00282 temp_type temp(lhs); 00283 lhs = static_cast<T1>(rhs); 00284 rhs = static_cast<T2>(temp); 00285 } 00286 00287 static 00288 void print_xpr(std::ostream& os, std::size_t l=0) { 00289 os << IndentLevel(l) << "Fcnl_swap<T1=" 00290 << typeid(T1).name() << ", T2" << typeid(T2).name() << ">," 00291 << std::endl; 00292 } 00293 }; 00294 00295 00296 } // namespace tvmet 00297 00298 #endif // TVMET_BINARY_FUNCTIONAL_H 00299 00300 // Local Variables: 00301 // mode:C++ 00302 // tab-width:8 00303 // End:
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