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bug #1161: fix division by zero for huge scalar types

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This commit is contained in:
Gael Guennebaud 2016-02-03 18:25:41 +01:00
parent c301f99208
commit 70dc14e4e1
1 changed files with 1 additions and 1 deletions
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Eigen/src/Core/products/GeneralBlockPanelKernel.h
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@ -178,7 +178,7 @@ void evaluateProductBlockingSizesHeuristic(Index& k, Index& m, Index& n, Index n
// We also include a register-level block of the result (mx x nr). // We also include a register-level block of the result (mx x nr).
// (In an ideal world only the lhs panel would stay in L1) // (In an ideal world only the lhs panel would stay in L1)
// Moreover, kc has to be a multiple of 8 to be compatible with loop peeling, leading to a maximum blocking size of: // Moreover, kc has to be a multiple of 8 to be compatible with loop peeling, leading to a maximum blocking size of:
const Index max_kc = ((l1-k_sub)/k_div) & (~(k_peeling-1)); const Index max_kc = std::max<Index>(((l1-k_sub)/k_div) & (~(k_peeling-1)),1);
const Index old_k = k; const Index old_k = k;
if(k>max_kc) if(k>max_kc)
{ {