Diff: tvmet/BinaryFunctionals.h

Revision:

15:9c5aaeda36dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tvmet/BinaryFunctionals.h	Sat Apr 06 20:57:54 2013 +0000
@@ -0,0 +1,303 @@
+/*
+ * 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: