Example #1
0
typename Cholesky<Matrix>::DMatrix Cholesky<Matrix>::doSolve( const AbstractMatrix& b )
{
	if ( this->rowNum() != b.rows() )
	{
		std::cerr<<"The order of matrix is "<<this->rowNum()<<" and the dimension of vector is "<<b.rows()<<std::endl;
		throw COException("Cholesky solving error: the size if not consistent!");
	}
	DMatrix result(b);
	copt_lapack_potrs('U',this->rowNum(),b.cols(),__a,this->lda(),result.dataPtr(),result.lda(),&__info);
	if ( __info != 0 )
		std::cerr<<"Warning in Cholesky solver: solving is wrong!"<<std::endl;
	return result;
}
Example #2
0
File: expr.hpp Project: qqchen/LATL
 void operator()(AbstractMatrix<M>& m) const {
     for (int i=0; i<m.rows(); ++i)
         for (int j=0; j<m.cols(); ++j)
             m(i,j) = rand() * a - b;
 }