Fix np.mod() in NumPy v2

mhostetter · Jul 2, 2024 · 3a19dfb · 3a19dfb
1 parent 3a8296d
commit 3a19dfb
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/galois/_domains/_ufunc.py b/src/galois/_domains/_ufunc.py
@@ -394,7 +394,11 @@ def __call__(self, ufunc, method, inputs, kwargs, meta):
             self._verify_operands_in_field_or_int(ufunc, inputs, meta)
             inputs, kwargs = self._view_inputs_as_ndarray(inputs, kwargs)
             i = meta["non_field_operands"][0]  # Scalar multiplicand
-            inputs[i] = np.mod(inputs[i], self.field.characteristic)
+            if meta["dtype"] == np.object_:
+                # Need to explicitly cast to np.object_ in NumPy v2.0 or the integer will overflow
+                inputs[i] = np.mod(inputs[i], self.field.characteristic, dtype=np.object_)
+            else:
+                inputs[i] = np.mod(inputs[i], self.field.characteristic)
         inputs, kwargs = self._view_inputs_as_ndarray(inputs, kwargs)
         output = getattr(self.ufunc, method)(*inputs, **kwargs)
         output = self._view_output_as_field(output, self.field, meta["dtype"])