Fix multiply test

qutip · May 14, 2024 · be004f2 · be004f2
1 parent c865d4e
commit be004f2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/qutip/core/data/matmul.pyx b/qutip/core/data/matmul.pyx
@@ -527,6 +527,10 @@ cpdef CSR multiply_csr(CSR left, CSR right):
             + " and "
             + str(right.shape)
         )
+
+    left = left.sort_indices()
+    right = right.sort_indices()
+
     cdef idxint col_left, left_nnz = csr.nnz(left)
     cdef idxint col_right, right_nnz = csr.nnz(right)
     cdef idxint ptr_left, ptr_right, ptr_left_max, ptr_right_max