00001 #ifndef VIENNAMATH_RUNTIME_OP_INTERFACE_HPP 00002 #define VIENNAMATH_RUNTIME_OP_INTERFACE_HPP 00003 00004 /* ======================================================================= 00005 Copyright (c) 2012, Institute for Microelectronics, 00006 Institute for Analysis and Scientific Computing, 00007 TU Wien. 00008 ----------------- 00009 ViennaMath - Symbolic and Numerical Math in C++ 00010 ----------------- 00011 00012 Author: Karl Rupp rupp@iue.tuwien.ac.at 00013 00014 License: MIT (X11), see file LICENSE in the ViennaMath base directory 00015 ======================================================================= */ 00016 00017 00018 00019 00020 #include <vector> 00021 #include <exception> 00022 #include "viennamath/forwards.h" 00023 #include "viennamath/exception.hpp" 00024 00029 namespace viennamath 00030 { 00031 00032 00037 template <typename InterfaceType> 00038 class op_interface 00039 { 00040 public: 00041 typedef typename InterfaceType::numeric_type numeric_type; 00042 00043 virtual ~op_interface() {} 00044 00046 virtual op_interface * clone() const = 0; 00047 00049 virtual std::string str() const = 0; 00050 00052 virtual numeric_type apply(numeric_type value) const { throw no_rhs_provided_exception(); } 00053 00055 virtual numeric_type apply(numeric_type lhs, 00056 numeric_type rhs) const { throw rhs_provided_for_unary_operation_exception(); } 00057 00059 virtual bool is_unary() const { return true; } 00060 00061 //unary diff: 00063 virtual InterfaceType * diff(const InterfaceType * e, 00064 const InterfaceType * diff_var) const { throw no_rhs_provided_exception(); } 00065 00066 //binary diff: 00068 virtual InterfaceType * diff(const InterfaceType * lhs, 00069 const InterfaceType * rhs, 00070 const InterfaceType * diff_var) const { throw rhs_provided_for_unary_operation_exception(); } 00071 00072 //optimization for binary operators: 00074 virtual InterfaceType * simplify(const InterfaceType * lhs, 00075 const InterfaceType * rhs) const = 0; //{ throw ex_rhs_provided_for_unary_operator(); } 00076 00077 //optimization for unary operators: 00078 00080 virtual bool can_simplify() const = 0; 00082 virtual bool can_simplify(const InterfaceType * lhs, 00083 const InterfaceType * rhs) const { return false; } 00084 00086 virtual bool equal(const op_interface * other) const = 0; 00087 }; 00088 00089 00090 00091 00092 } 00093 00094 #endif
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