diff options
| -rw-r--r-- | Eigen/src/SparseCore/SparseBlock.h | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/Eigen/src/SparseCore/SparseBlock.h b/Eigen/src/SparseCore/SparseBlock.h index cd97bcfdc..f50fb66ea 100644 --- a/Eigen/src/SparseCore/SparseBlock.h +++ b/Eigen/src/SparseCore/SparseBlock.h @@ -156,19 +156,8 @@ public: // no need to realloc, simply copy the tail at its respective position and insert tmp matrix.data().resize(nnz_head + nnz + nnz_tail); - if(nnz<nnz_previous) - { - std::memcpy(&matrix.data().value(nnz_head+nnz), &matrix.data().value(tail), nnz_tail*sizeof(Scalar)); - std::memcpy(&matrix.data().index(nnz_head+nnz), &matrix.data().index(tail), nnz_tail*sizeof(Index)); - } - else - { - for(Index i=nnz_tail-1; i>=0; --i) - { - matrix.data().value(nnz_head+nnz+i) = matrix.data().value(tail+i); - matrix.data().index(nnz_head+nnz+i) = matrix.data().index(tail+i); - } - } + std::memmove(&matrix.data().value(nnz_head+nnz), &matrix.data().value(tail), nnz_tail*sizeof(Scalar)); + std::memmove(&matrix.data().index(nnz_head+nnz), &matrix.data().index(tail), nnz_tail*sizeof(Index)); std::memcpy(&matrix.data().value(nnz_head), &tmp.data().value(0), nnz*sizeof(Scalar)); std::memcpy(&matrix.data().index(nnz_head), &tmp.data().index(0), nnz*sizeof(Index)); |