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_dgematrix-dgbmatrix.hpp File Reference

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Functions

_dgematrix operator+ (const _dgematrix &matA, const dgbmatrix &matB)
_dgematrix operator- (const _dgematrix &matA, const dgbmatrix &matB)
_dgematrix operator* (const _dgematrix &matA, const dgbmatrix &matB)

Function Documentation

_dgematrix operator+ ( const _dgematrix matA,
const dgbmatrix matB 
) [inline]

_dgematrix+dgbmatrix operator

Definition at line 3 of file _dgematrix-dgbmatrix.hpp.

References i(), dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, _dgematrix::m, _dgematrix::n, and dgbmatrix::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
  
  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++){
      matA(i,j) +=matB(i,j);
    }
  }
  
  return matA;
}
_dgematrix operator- ( const _dgematrix matA,
const dgbmatrix matB 
) [inline]

_dgematrix-dgbmatrix operator

Definition at line 25 of file _dgematrix-dgbmatrix.hpp.

References i(), dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, _dgematrix::m, _dgematrix::n, and dgbmatrix::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
  
  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++){
      matA(i,j)-=matB(i,j);
    }
  }
  
  return matA;
}
_dgematrix operator* ( const _dgematrix matA,
const dgbmatrix matB 
) [inline]

_dgematrix*dgbmatrix operator

Definition at line 47 of file _dgematrix-dgbmatrix.hpp.

References _(), _dgematrix::destroy(), i(), dgbmatrix::kl, dgbmatrix::ku, _dgematrix::m, dgematrix::m, dgbmatrix::m, dgbmatrix::n, _dgematrix::n, dgematrix::n, and dgematrix::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
  
  dgematrix 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);
      }
    }
  }
  
  matA.destroy();
  return _(newmat);
}
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