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Fix compilation of tri(sparse) * dense with OpenMP

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This commit is contained in:
Gael Guennebaud 2015-07-21 22:52:21 +02:00
parent d3e5db9a80
commit 586d10f7e0
1 changed files with 1 additions and 1 deletions
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Eigen/src/SparseCore/SparseDenseProduct.h
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@ -46,7 +46,7 @@ struct sparse_time_dense_product_impl<SparseLhsType,DenseRhsType,DenseResType, t
#ifdef EIGEN_HAS_OPENMP #ifdef EIGEN_HAS_OPENMP
// This 20000 threshold has been found experimentally on 2D and 3D Poisson problems. // This 20000 threshold has been found experimentally on 2D and 3D Poisson problems.
// It basically represents the minimal amount of work to be done to be worth it. // It basically represents the minimal amount of work to be done to be worth it.
if(threads>1 && lhs.nonZeros() > 20000) if(threads>1 && lhsEval.nonZerosEstimate() > 20000)
{ {
#pragma omp parallel for schedule(static) num_threads(threads) #pragma omp parallel for schedule(static) num_threads(threads)
for(Index i=0; i<n; ++i) for(Index i=0; i<n; ++i)