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zgematrix-zgbmatrix.hpp File Reference

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Functions

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

Function Documentation

_zgematrix operator+ ( const zgematrix matA,
const zgbmatrix matB 
) [inline]

zgematrix+zgbmatrix operator

Definition at line 77 of file zgematrix-zgbmatrix.hpp.

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

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

zgematrix-zgbmatrix operator

Definition at line 101 of file zgematrix-zgbmatrix.hpp.

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

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

zgematrix*zgbmatrix operator

Definition at line 125 of file zgematrix-zgbmatrix.hpp.

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

{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.m << "x" << matA.n << ") * (" << matB.m << "x" << matB.n << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  zgematrix newmat( matA.m, matB.n );
  newmat.zero();
  
  for(long i=0; i<newmat.m; i++){
    for(long j=0; j<newmat.n; j++){
      for(long k=std::max(long(0),j-matB.ku); k<std::min(matB.m,j+matB.kl+1); k++){
        newmat(i,j)+=matA(i,k)*matB(k,j);
      }
    }
  }
  
  return _(newmat);
}
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