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_zgsmatrix-zgsmatrix.hpp
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00001 //=============================================================================
00002 /*! _zgsmatrix+zgsmatrix operator */
00003 inline _zgsmatrix operator+(const _zgsmatrix& matA, const zgsmatrix& matB)
00004 {VERBOSE_REPORT;
00005 #ifdef  CPPL_DEBUG
00006   if(matA.n!=matB.n || matA.m!=matB.m){
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   zgsmatrix newmat(matA);
00015   
00016   for(std::vector<zcomponent>::const_iterator it=matB.data.begin(); it!=matB.data.end(); it++){
00017     newmat(it->i, it->j) +=it->v;
00018   }
00019   
00020   return _(newmat);
00021 }
00022 
00023 //=============================================================================
00024 /*! _zgsmatrix-zgsmatrix operator */
00025 inline _zgsmatrix operator-(const _zgsmatrix& matA, const zgsmatrix& matB)
00026 {VERBOSE_REPORT;
00027 #ifdef  CPPL_DEBUG
00028   if(matA.n!=matB.n || matA.m!=matB.m){
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.m << "x" << matB.n << ")." << std::endl;
00032     exit(1);
00033   }
00034 #endif//CPPL_DEBUG
00035 
00036   zgsmatrix newmat(matA);
00037   
00038   for(std::vector<zcomponent>::const_iterator it=matB.data.begin(); it!=matB.data.end(); it++){
00039     newmat(it->i, it->j) -=it->v;
00040   }
00041   
00042   return _(newmat);
00043 }
00044 
00045 //=============================================================================
00046 /*! _zgsmatrix*zgsmatrix operator */
00047 inline _zgsmatrix operator*(const _zgsmatrix& matA, const zgsmatrix& 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.m << "x" << matB.n << ")." << std::endl;
00054     exit(1);
00055   }
00056 #endif//CPPL_DEBUG
00057   
00058   zgsmatrix newmat(matA.m, matB.n);
00059   
00060   for(std::vector<zcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00061     long k(it->j);
00062     std::vector<uint32_t>::const_iterator p;
00063     for(p=matB.rows[k].begin(); p!=matB.rows[k].end(); p++){
00064       newmat(it->i,matB.data[*p].j) +=it->v*matB.data[*p].v;
00065     }
00066   }
00067   
00068   matA.destroy();
00069   return _(newmat);
00070 }
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