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_dgsmatrix-dgematrix.hpp
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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   dgematrix newmat(matB);
00015   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00016     newmat(it->i,it->j) += it->v;
00017   }
00018   
00019   matA.destroy();
00020   return _(newmat);
00021 }
00022 
00023 //=============================================================================
00024 /*! _dgsmatrix-dgematrix operator */
00025 inline _dgematrix operator-(const _dgsmatrix& matA, const dgematrix& matB)
00026 {VERBOSE_REPORT;
00027 #ifdef  CPPL_DEBUG
00028   if(matA.m!=matB.m || matA.n!=matB.n){
00029     ERROR_REPORT;
00030     std::cerr << "These two matrises can not make a subtraction." << std::endl
00031               << "Your input was (" << matA.m << "x" << matA.n << ") - (" << matB.n << "x" << matB.n << ")." << std::endl;
00032     exit(1);
00033   }
00034 #endif//CPPL_DEBUG
00035 
00036   dgematrix newmat(-matB);
00037   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00038     newmat(it->i,it->j) += it->v;
00039   }
00040   
00041   matA.destroy();
00042   return _(newmat);
00043 }
00044 
00045 //=============================================================================
00046 /*! _dgsmatrix*dgematrix operator */
00047 inline _dgematrix operator*(const _dgsmatrix& matA, const dgematrix& matB)
00048 {VERBOSE_REPORT;
00049 #ifdef  CPPL_DEBUG
00050   if(matA.n!=matB.m){
00051     ERROR_REPORT;
00052     std::cerr << "These two matrises can not make a product." << std::endl
00053               << "Your input was (" << matA.m << "x" << matA.n << ") * (" << matB.n << "x" << matB.n << ")." << std::endl;
00054     exit(1);
00055   }
00056 #endif//CPPL_DEBUG
00057   
00058   dgematrix newmat(matA.m, matB.n);
00059   newmat.zero();
00060   
00061   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00062     for(long j=0; j<matB.n; j++){
00063       newmat(it->i,j) += it->v*matB(it->j,j);
00064     }
00065   }
00066   
00067   matA.destroy();
00068   return _(newmat);
00069 }
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