tensor: fixed indexmatrix for rank 0 tensor

2026-01-28 16:35:53 +01:00
parent f348a0609c
commit 7d4507d875
1 changed files with 6 additions and 3 deletions
--- a/tensor.cc
+++ b/tensor.cc
@@ -568,9 +568,12 @@ INDEXMATRIX  Tensor<T>::indexmatrix() const
 {
 INDEXMATRIX r;
 r.resize(size(),rank());
+if(rank()>0)
+	{
 	indexmat_p = &r;
 	indexmat_row = 0;
 	constloopover(indexmatrix_callback<T>,false);
+	}
 return r;
 }