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SparseLU: fix estimated non-zeros in U

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(transplanted from 7c9cdd6030a95f0027d5723a758e2290d0b61deb
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Gael Guennebaud 2013-11-05 00:12:14 +01:00
parent 8946e0cb80
commit d21708172a
1 changed files with 1 additions and 1 deletions
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Eigen/src/SparseLU/SparseLU_Memory.h
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@ -153,7 +153,7 @@ Index SparseLUImpl<Scalar,Index>::memInit(Index m, Index n, Index annz, Index lw
{
Index& num_expansions = glu.num_expansions; //No memory expansions so far
num_expansions = 0;
glu.nzumax = glu.nzlumax = (std::max)(fillratio * annz, m*n); // estimated number of nonzeros in U
glu.nzumax = glu.nzlumax = (std::min)(fillratio * annz, m*n); // estimated number of nonzeros in U
glu.nzlmax = (std::max)(Index(4), fillratio) * annz / 4; // estimated nnz in L factor
// Return the estimated size to the user if necessary