CPPLapack
 All Classes Files Functions Variables Friends
dgsmatrix-dgbmatrix.hpp
Go to the documentation of this file.
00001 //=============================================================================
00002 /*! dgsmatrix+dgbmatrix operator */
00003 inline _dgematrix operator+(const dgsmatrix& matA, const dgbmatrix& 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( matA.to_dgematrix() );
00015   
00016   for(long i=0; i<matB.m; i++){
00017     for(long j=std::max(long(0),i-matB.kl); j<std::min(matB.n,i+matB.ku+1); j++){
00018       newmat(i,j)+=matB(i,j);
00019     }
00020   }
00021   
00022   return _(newmat);
00023 }
00024 
00025 //=============================================================================
00026 /*! dgsmatrix-dgbmatrix operator */
00027 inline _dgematrix operator-(const dgsmatrix& matA, const dgbmatrix& 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( matA.to_dgematrix() );
00039   
00040   for(long i=0; i<matB.m; i++){
00041     for(long j=std::max(long(0),i-matB.kl); j<std::min(matB.n,i+matB.ku+1); j++){
00042       newmat(i,j)-=matB(i,j);
00043     }
00044   }
00045   
00046   return _(newmat);
00047 }
00048 
00049 //=============================================================================
00050 /*! dgsmatrix*dgbmatrix operator */
00051 inline _dgematrix operator*(const dgsmatrix& matA, const dgbmatrix& 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   
00065   for(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
00066     for(long j=std::max(long(0),long(it->j)-matB.kl); j<std::min(matB.n,long(it->j)+matB.ku+1); j++){
00067       newmat(it->i,j) += it->v*matB(it->j,j);
00068     }
00069   }
00070   
00071   return _(newmat);
00072 }
 All Classes Files Functions Variables Friends