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fei_CSVec.hpp
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00041 */
00042 
00043 #ifndef _fei_CSVec_hpp_
00044 #define _fei_CSVec_hpp_
00045 
00046 
00047 #include <fei_macros.hpp>
00048 #include <fei_FillableVec.hpp>
00049 #include <vector>
00050 
00051 namespace fei {
00052 
00059 class CSVec {
00060  public:
00061   CSVec(const FillableVec& invec);
00062   CSVec(unsigned sz=0);
00063   virtual ~CSVec();
00064 
00065   CSVec& operator=(const CSVec& invec);
00066 
00067   CSVec& operator=(const FillableVec& invec);
00068 
00069   std::vector<int>& indices() {return indices_;}
00070   const std::vector<int>& indices() const {return indices_;}
00071   std::vector<double>& coefs() {return coefs_;}
00072   const std::vector<double>& coefs() const {return coefs_;}
00073 
00074   size_t size() const {return indices_.size();}
00075 
00076   void clear() { indices_.clear(); coefs_.clear(); }
00077 
00078  private:
00079   std::vector<int> indices_;
00080   std::vector<double> coefs_;
00081 };//class CSVec
00082 
00083 void add_entry(CSVec& vec, int eqn, double coef);
00084 
00085 void put_entry(CSVec& vec, int eqn, double coef);
00086 
00087 void remove_entry(CSVec& vec, int eqn);
00088 
00089 void set_values(CSVec& vec, double scalar);
00090 
00093 void add_CSVec_CSVec(const CSVec& u, CSVec& v);
00094 
00095 }//namespace fei
00096 
00097 #endif
00098 
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