diff options
Diffstat (limited to 'Eigen/src/SparseLU/SparseLU_heap_relax_snode.h')
| -rw-r--r-- | Eigen/src/SparseLU/SparseLU_heap_relax_snode.h | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h b/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h index 7a4e4305a..6f75d500e 100644 --- a/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h +++ b/Eigen/src/SparseLU/SparseLU_heap_relax_snode.h @@ -42,21 +42,20 @@ namespace internal { * \param descendants Number of descendants of each node in the etree * \param relax_end last column in a supernode */ -template <typename Scalar, typename Index> -void SparseLUImpl<Scalar,Index>::heap_relax_snode (const Index n, IndexVector& et, const Index relax_columns, IndexVector& descendants, IndexVector& relax_end) +template <typename Scalar, typename StorageIndex> +void SparseLUImpl<Scalar,StorageIndex>::heap_relax_snode (const Index n, IndexVector& et, const Index relax_columns, IndexVector& descendants, IndexVector& relax_end) { // The etree may not be postordered, but its heap ordered IndexVector post; - internal::treePostorder(n, et, post); // Post order etree + internal::treePostorder(StorageIndex(n), et, post); // Post order etree IndexVector inv_post(n+1); - Index i; - for (i = 0; i < n+1; ++i) inv_post(post(i)) = i; // inv_post = post.inverse()??? + for (StorageIndex i = 0; i < n+1; ++i) inv_post(post(i)) = i; // inv_post = post.inverse()??? // Renumber etree in postorder IndexVector iwork(n); IndexVector et_save(n+1); - for (i = 0; i < n; ++i) + for (Index i = 0; i < n; ++i) { iwork(post(i)) = post(et(i)); } @@ -75,10 +74,10 @@ void SparseLUImpl<Scalar,Index>::heap_relax_snode (const Index n, IndexVector& e } // Identify the relaxed supernodes by postorder traversal of the etree Index snode_start; // beginning of a snode - Index k; + StorageIndex k; Index nsuper_et_post = 0; // Number of relaxed snodes in postordered etree Index nsuper_et = 0; // Number of relaxed snodes in the original etree - Index l; + StorageIndex l; for (j = 0; j < n; ) { parent = et(j); @@ -90,8 +89,8 @@ void SparseLUImpl<Scalar,Index>::heap_relax_snode (const Index n, IndexVector& e } // Found a supernode in postordered etree, j is the last column ++nsuper_et_post; - k = n; - for (i = snode_start; i <= j; ++i) + k = StorageIndex(n); + for (Index i = snode_start; i <= j; ++i) k = (std::min)(k, inv_post(i)); l = inv_post(j); if ( (l - k) == (j - snode_start) ) // Same number of columns in the snode @@ -102,7 +101,7 @@ void SparseLUImpl<Scalar,Index>::heap_relax_snode (const Index n, IndexVector& e } else { - for (i = snode_start; i <= j; ++i) + for (Index i = snode_start; i <= j; ++i) { l = inv_post(i); if (descendants(i) == 0) |