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-rw-r--r--Eigen/src/Core/products/GeneralBlockPanelKernel.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/Core/products/GeneralBlockPanelKernel.h b/Eigen/src/Core/products/GeneralBlockPanelKernel.h
index cf133f68f..c8eeeff4d 100644
--- a/Eigen/src/Core/products/GeneralBlockPanelKernel.h
+++ b/Eigen/src/Core/products/GeneralBlockPanelKernel.h
@@ -122,7 +122,7 @@ void computeProductBlockingSizes(std::ptrdiff_t& k, std::ptrdiff_t& m, std::ptrd
ei_manage_caching_sizes(GetAction, &l1, &l2);
k = std::min<std::ptrdiff_t>(k, l1/kdiv);
- std::ptrdiff_t _m = l2/(4 * sizeof(LhsScalar) * k);
+ std::ptrdiff_t _m = k>0 ? l2/(4 * sizeof(LhsScalar) * k) : 0;
if(_m<m) m = _m & mr_mask;
n = n;
}