CPPLapack
 All Classes Files Functions Variables Friends
_zgbmatrix-zgematrix.hpp
Go to the documentation of this file.
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   matA.destroy();
00022   return _(newmat);
00023 }
00024 
00025 //=============================================================================
00026 /*! _zgbmatrix-zgematrix operator */
00027 inline _zgematrix operator-(const _zgbmatrix& matA, const zgematrix& 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   zgematrix newmat(-matB);
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   matA.destroy();
00046   return _(newmat);
00047 }
00048 
00049 //=============================================================================
00050 /*! _zgbmatrix*zgematrix operator */
00051 inline _zgematrix operator*(const _zgbmatrix& matA, const zgematrix& 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   zgematrix newmat( matA.m, matB.n );
00063   newmat.zero();
00064   
00065   for(long i=0; i<newmat.m; i++){
00066     for(long j=0; j<newmat.n; j++){
00067       for(long k=std::max(long(0),i-matA.kl); k<std::min(matA.n,i+matA.ku+1); k++){
00068         newmat(i,j)+=matA(i,k)*matB(k,j);
00069       }
00070     }
00071   }
00072   
00073   matA.destroy();
00074   return _(newmat);
00075 }
 All Classes Files Functions Variables Friends