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Workaround a division by zero when outerstride==0

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This commit is contained in:
Gael Guennebaud 2016-04-13 19:02:02 +02:00
parent 8d16e2aa27
commit f5e01a2cde
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/products/TriangularSolverMatrix.h
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@ -81,7 +81,7 @@ EIGEN_DONT_INLINE void triangular_solve_matrix<Scalar,Index,OnTheLeft,Mode,Conju
// coherence when accessing the rhs elements
std::ptrdiff_t l1, l2;
manage_caching_sizes(GetAction, &l1, &l2);
Index subcols = cols>0 ? l2/(4 * sizeof(Scalar) * otherStride) : 0;
Index subcols = cols>0 ? l2/(4 * sizeof(Scalar) * std::max<Index>(otherStride,size)) : 0;
subcols = std::max<Index>((subcols/Traits::nr)*Traits::nr, Traits::nr);
for(Index k2=IsLower ? 0 : size;