CPPLapack
 All Classes Files Functions Variables Friends
_dgsmatrix-_dgematrix.hpp
Go to the documentation of this file.
00001 //=============================================================================
00002 /*! _dgsmatrix+_dgematrix operator */
00003 inline _dgematrix operator+(const _dgsmatrix& matA, const _dgematrix& matB)
00004 {VERBOSE_REPORT;
00005 #ifdef  CPPL_DEBUG
00006   if(matA.m!=matB.m || matA.n!=matB.n){
00007     ERROR_REPORT;
00008     std::cerr << "These two matrises can not make a summation." << std::endl
00009               << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
00010     exit(1);
00011   }
00012 #endif//CPPL_DEBUG
00013   
00014   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00015     matB(it->i,it->j) += it->v;
00016   }
00017   
00018   matA.destroy();
00019   return matB;
00020 }
00021 
00022 //=============================================================================
00023 /*! _dgsmatrix-_dgematrix operator */
00024 inline _dgematrix operator-(const _dgsmatrix& matA, const _dgematrix& matB)
00025 {VERBOSE_REPORT;
00026 #ifdef  CPPL_DEBUG
00027   if(matA.m!=matB.m || matA.n!=matB.n){
00028     ERROR_REPORT;
00029     std::cerr << "These two matrises can not make a subtraction." << std::endl
00030               << "Your input was (" << matA.m << "x" << matA.n << ") - (" << matB.m << "x" << matB.n << ")." << std::endl;
00031     exit(1);
00032   }
00033 #endif//CPPL_DEBUG
00034   
00035   //// change sign ////
00036   for(int i=0; i<matB.m*matB.n; i++){
00037     matB.array[i] = -matB.array[i];
00038   }
00039   
00040   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00041     matB(it->i,it->j) += it->v;
00042   }
00043   
00044   matA.destroy();
00045   return matB;
00046 }
00047 
00048 //=============================================================================
00049 /*! _dgsmatrix*_dgematrix operator */
00050 inline _dgematrix operator*(const _dgsmatrix& matA, const _dgematrix& matB)
00051 {VERBOSE_REPORT;
00052 #ifdef  CPPL_DEBUG
00053   if(matA.n!=matB.m){
00054     ERROR_REPORT;
00055     std::cerr << "These two matrises can not make a product." << std::endl
00056               << "Your input was (" << matA.m << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
00057     exit(1);
00058   }
00059 #endif//CPPL_DEBUG
00060   
00061   dgematrix newmat(matA.m, matB.n);
00062   newmat.zero();
00063   
00064   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00065     for(long j=0; j<matB.n; j++){
00066       newmat(it->i,j) += it->v *matB(it->j,j);
00067     }
00068   }
00069   
00070   matA.destroy();
00071   matB.destroy();
00072   return _(newmat);
00073 }
 All Classes Files Functions Variables Friends