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fix for empty matrices

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This commit is contained in:
Gael Guennebaud 2010-07-16 22:25:35 +02:00
parent 883a8cbb2c
commit fb041c260c
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/products/GeneralBlockPanelKernel.h
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@ -122,7 +122,7 @@ void computeProductBlockingSizes(std::ptrdiff_t& k, std::ptrdiff_t& m, std::ptrd
ei_manage_caching_sizes(GetAction, &l1, &l2); ei_manage_caching_sizes(GetAction, &l1, &l2);
k = std::min<std::ptrdiff_t>(k, l1/kdiv); 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; if(_m<m) m = _m & mr_mask;
n = n; n = n;
} }