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dgbmatrix-_dgsmatrix.hpp
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00001 //=============================================================================
00002 /*! dgbmatrix+_dgsmatrix operator */
00003 inline _dgematrix operator+(const dgbmatrix& matA, const _dgsmatrix& 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   dgematrix newmat( matB.to_dgematrix() );
00015   for(long i=0; i<matA.m; i++){
00016     for(long j=std::max(long(0),i-matA.kl); j<std::min(matA.n,i+matA.ku+1); j++){
00017       newmat(i,j)+=matA(i,j);
00018     }
00019   }
00020   
00021   matB.destroy();
00022   return _(newmat);
00023 }
00024 
00025 //=============================================================================
00026 /*! dgbmatrix-_dgsmatrix operator */
00027 inline _dgematrix operator-(const dgbmatrix& matA, const _dgsmatrix& matB)
00028 {VERBOSE_REPORT;
00029 #ifdef  CPPL_DEBUG
00030   if(matA.n!=matB.n || matA.m!=matB.m){
00031     ERROR_REPORT;
00032     std::cerr << "These two matrises can not make a summation." << std::endl
00033               << "Your input was (" << matA.m << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
00034     exit(1);
00035   }
00036 #endif//CPPL_DEBUG
00037   
00038   dgematrix newmat( (-matB).to_dgematrix() );
00039   for(long i=0; i<matA.m; i++){
00040     for(long j=std::max(long(0),i-matA.kl); j<std::min(matA.n,i+matA.ku+1); j++){
00041       newmat(i,j)-=matA(i,j);
00042     }
00043   }
00044   
00045   matB.destroy();
00046   return _(newmat);
00047 }
00048 
00049 //=============================================================================
00050 /*! dgbmatrix*_dgsmatrix operator */
00051 inline _dgematrix operator*(const dgbmatrix& matA, const _dgsmatrix& matB)
00052 {VERBOSE_REPORT;
00053 #ifdef  CPPL_DEBUG
00054   if(matA.n!=matB.m){
00055     ERROR_REPORT;
00056     std::cerr << "These two matrises can not make a product." << std::endl
00057               << "Your input was (" << matA.m << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
00058     exit(1);
00059   }
00060 #endif//CPPL_DEBUG
00061   
00062   dgematrix newmat( matA.m, matB.n );
00063   newmat.zero();
00064   for(std::vector<dcomponent>::const_iterator it=matB.data.begin(); it!=matB.data.end(); it++){
00065     for(long i=std::max(long(0),long(it->i)-(matA.ku+1)); i<std::min(matA.m,long(it->i)+matA.kl); i++){
00066       newmat(i,it->j) += matA(i,it->i)*it->v;
00067     }
00068   }
00069   
00070   matB.destroy();
00071   return _(newmat);
00072 }
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