src/sage/matrix/matrix_space.py (get_matrix_class): Handle base_ring=…

…ZZ, implementation='numpy'
sagemath · Feb 19, 2022 · 007253d · 007253d
1 parent fe1da0a
commit 007253d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/sage/matrix/matrix_space.py b/src/sage/matrix/matrix_space.py
@@ -335,7 +335,10 @@ def get_matrix_class(R, nrows, ncols, sparse, implementation):
             if R is sage.rings.complex_double.CDF:
                 from . import matrix_complex_double_dense
                 return matrix_complex_double_dense.Matrix_complex_double_dense
-            raise ValueError("'numpy' matrices are only available over RDF and CDF")
+            if R is sage.rings.integer_ring.ZZ:
+                from . import matrix_numpy_integer_dense
+                return matrix_numpy_integer_dense.Matrix_numpy_integer_dense
+            raise ValueError("'numpy' matrices are only available over RDF, CDF, and ZZ")
 
         if implementation == 'rational':
             if isinstance(R, sage.rings.abc.NumberField_cyclotomic):