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dgsmatrix-dgbmatrix.hpp File Reference

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Functions

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

Function Documentation

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

dgsmatrix+dgbmatrix operator

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

References _(), i(), dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, dgsmatrix::m, dgbmatrix::n, dgsmatrix::n, and dgsmatrix::to_dgematrix().

{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
  
  dgematrix newmat( matA.to_dgematrix() );
  
  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);
}
_dgematrix operator- ( const dgsmatrix matA,
const dgbmatrix matB 
) [inline]

dgsmatrix-dgbmatrix operator

Definition at line 27 of file dgsmatrix-dgbmatrix.hpp.

References _(), i(), dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, dgsmatrix::m, dgbmatrix::n, dgsmatrix::n, and dgsmatrix::to_dgematrix().

{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
  
  dgematrix newmat( matA.to_dgematrix() );
  
  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);
}
_dgematrix operator* ( const dgsmatrix matA,
const dgbmatrix matB 
) [inline]

dgsmatrix*dgbmatrix operator

Definition at line 51 of file dgsmatrix-dgbmatrix.hpp.

References _(), dgsmatrix::data, dgbmatrix::kl, dgbmatrix::ku, dgbmatrix::m, dgsmatrix::m, dgsmatrix::n, dgbmatrix::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(std::vector<dcomponent>::const_iterator it=matA.data.begin(); it!=matA.data.end(); it++){
    for(long j=std::max(long(0),long(it->j)-matB.kl); j<std::min(matB.n,long(it->j)+matB.ku+1); j++){
      newmat(it->i,j) += it->v*matB(it->j,j);
    }
  }
  
  return _(newmat);
}
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