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