bug #910: add a StandardCompressedFormat option to Ref<SparseMatrix> to enforce standard compressed storage format.

If the input is not compressed, then this trigger a copy for a const Ref, and a runtime assert for non-const Ref.
2026-04-10 11:34:33 +08:00 · 2015-06-09 23:11:24 +02:00
parent f899aeb301
commit feaf76c001
3 changed files with 50 additions and 1 deletions
--- a/Eigen/src/SparseCore/SparseMatrix.h
+++ b/Eigen/src/SparseCore/SparseMatrix.h
@@ -725,6 +725,9 @@ class SparseMatrix
      }
      else if(this!=&other)
      {
+        #ifdef EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN
+          EIGEN_SPARSE_CREATE_TEMPORARY_PLUGIN
+        #endif
        initAssignment(other);
        if(other.isCompressed())
        {