zhematrix-zgbmatrix.hpp File Reference

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Functions
_zgematrix	operator+ (const zhematrix &matA, const zgbmatrix &matB)
_zgematrix	operator- (const zhematrix &matA, const zgbmatrix &matB)
_zgematrix	operator* (const zhematrix &matA, const zgbmatrix &matB)

Function Documentation

_zgematrix operator+ ( const zhematrix &  matA, const zgbmatrix &  matB  )

inline

zhematrix+zgbmatrix operator

Definition at line 3 of file zhematrix-zgbmatrix.hpp.

References _(), i(), zgbmatrix::kl, zgbmatrix::ku, zgbmatrix::m, zgbmatrix::n, and zhematrix::n.

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(matA.n!=matB.n || matA.n!=matB.m){
    ERROR_REPORT;
    std::cerr << "These two matrises can not make a summation." << std::endl
              << "Your input was (" << matA.n << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zgematrix newmat(matA.n, matA.n);
  
  for(CPPL_INT i=0; i<matB.m; i++){
    for(CPPL_INT j=0; j<matA.n; j++){
      newmat(i,j) =matA(i,j);
    }
    const CPPL_INT jmax =std::min(matB.n,i+matB.ku+1);
    for(CPPL_INT j=std::max(CPPL_INT(0),i-matB.kl); j<jmax; j++){
      newmat(i,j)+=matB(i,j);
    }
  }
  
  return _(newmat);
}

_zgematrix operator- ( const zhematrix &  matA, const zgbmatrix &  matB  )

inline

zhematrix-zgbmatrix operator

Definition at line 31 of file zhematrix-zgbmatrix.hpp.

References _(), i(), zgbmatrix::kl, zgbmatrix::ku, zgbmatrix::m, zgbmatrix::n, and zhematrix::n.

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(matA.n!=matB.n || matA.n!=matB.m){
    ERROR_REPORT;
    std::cerr << "These two matrises can not make a summation." << std::endl
              << "Your input was (" << matA.n << "x" << matA.n << ") + (" << matB.m << "x" << matB.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zgematrix newmat(matA.n, matA.n);
  
  for(CPPL_INT i=0; i<matB.m; i++){
    for(CPPL_INT j=0; j<matA.n; j++){
      newmat(i,j) =matA(i,j);
    }
    const CPPL_INT jmax =std::min(matB.n,i+matB.ku+1);
    for(CPPL_INT j=std::max(CPPL_INT(0),i-matB.kl); j<jmax; j++){
      newmat(i,j)-=matB(i,j);
    }
  }
  
  return _(newmat);
}

_zgematrix operator* ( const zhematrix &  matA, const zgbmatrix &  matB  )

inline

zhematrix*zgbmatrix operator

Definition at line 59 of file zhematrix-zgbmatrix.hpp.

References _(), i(), zgbmatrix::kl, zgbmatrix::ku, zgbmatrix::m, zgematrix::m, zgematrix::n, zgbmatrix::n, zhematrix::n, and zgematrix::zero().

{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if(matA.n!=matB.m){
    ERROR_REPORT;
    std::cerr << "These two matrises can not make a product." << std::endl
              << "Your input was (" << matA.n << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG

  zgematrix newmat( matA.n, matB.n );
  newmat.zero();
  
  for(CPPL_INT i=0; i<newmat.m; i++){
    for(CPPL_INT j=0; j<newmat.n; j++){
      const CPPL_INT kmax =std::min(matB.m,j+matB.kl+1);
      for(CPPL_INT k=std::max(CPPL_INT(0),j-matB.ku); k<kmax; k++){
        newmat(i,j)+=matA(i,k)*matB(k,j);
      }
    }
  }
  
  return _(newmat);
}