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[r136]: / trunk / include / _dgematrix- / _dgematrix-dgbmatrix.hpp  Maximize  Restore  History

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//=============================================================================
/*! _dgematrix+dgbmatrix operator */
inline _dgematrix operator+(const _dgematrix& matA, const dgbmatrix& matB)
{VERBOSE_REPORT;
#ifdef CPPL_DEBUG
if(matA.n!=matB.n || matA.m!=matB.m){
std::cerr << "[ERROR] operator+(_dgematrix&, dgbmatrix&)" << std::endl
<< "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-dgbmatrix operator */
inline _dgematrix operator-(const _dgematrix& matA, const dgbmatrix& matB)
{VERBOSE_REPORT;
#ifdef CPPL_DEBUG
if(matA.n!=matB.n || matA.m!=matB.m){
std::cerr << "[ERROR] operator+(_dgematrix&, dgbmatrix&)" << std::endl
<< "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*dgbmatrix operator */
inline _dgematrix operator*(const _dgematrix& matA, const dgbmatrix& matB)
{VERBOSE_REPORT;
#ifdef CPPL_DEBUG
if(matA.n!=matB.m){
std::cerr << "[ERROR] operator*(_dgematrix&, dgbmatrix&)" << std::endl
<< "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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