AbstractLinAlgPack_compare_element_indexes.hpp

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00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00028 
00029 #ifndef COMPARE_ELEMENT_INDEXES_H
00030 #define COMPARE_ELEMENT_INDEXES_H
00031 
00032 #include <functional>
00033 
00034 #include "AbstractLinAlgPack_Types.hpp"
00035 
00036 namespace AbstractLinAlgPack {
00037 
00044 
00046 template<class T_Element>
00047 struct compare_element_indexes_less
00048   : public std::unary_function< T_Element, typename T_Element::index_type >
00049 {
00050   bool operator()(const T_Element& ele1, const T_Element& ele2) {
00051     return ele1.index() < ele2.index();
00052   }
00053   bool operator()(typename T_Element::index_type i, const T_Element& ele2) {
00054     return i < ele2.index();
00055   }
00056   bool operator()(const T_Element& ele1, typename T_Element::index_type i) {
00057     return ele1.index() < i;
00058   }
00059 };
00060 
00062 template<class T_Element>
00063 struct compare_element_indexes_equal_to
00064   : public std::unary_function< T_Element, typename T_Element::index_type >
00065 {
00066   compare_element_indexes_equal_to( typename T_Element::index_type i )
00067     : i_(i)
00068   {}
00069   bool operator()(const T_Element& ele) {
00070     return ele.index() == i_;
00071   }
00072 private:
00073   typename T_Element::index_type i_;
00074   // Not defined and not to be called
00075   compare_element_indexes_equal_to();
00076 };
00077 
00079 
00080 } // end namespace AbstractLinAlgPack
00081 
00082 #endif   // COMPARE_ELEMENT_INDEXES_H
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