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/external/eigen/Eigen/src/SparseLU/
H A DSparseLU_Memory.h143 * \param annz number of initial nonzeros in the matrix
152 Index SparseLUImpl<Scalar,Index>::memInit(Index m, Index n, Index annz, Index lwork, Index fillratio, Index panel_size, GlobalLU_t& glu) argument
156 glu.nzumax = glu.nzlumax = (std::min)(fillratio * annz / n, m) * n; // estimated number of nonzeros in U
157 glu.nzlmax = (std::max)(Index(4), fillratio) * annz / 4; // estimated nnz in L factor
190 if (glu.nzlumax < annz ) return glu.nzlumax;

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