Adds radians and degrees (#1011)

python/src/ops.cpp

@@ -1032,6 +1032,40 @@ void init_ops(nb::module_& m) {
         Returns:
             array: The inverse hyperbolic tangent of ``a``.
       )pbdoc");
+  m.def(
+      "degrees",
+      &mlx::core::degrees,
+      nb::arg(),
+      nb::kw_only(),
+      "stream"_a = nb::none(),
+      nb::sig(
+          "def degrees(a: array, /, *, stream: Union[None, Stream, Device] = None) -> array"),
+      R"pbdoc(
+      Convert angles from radians to degrees.
+
+      Args:
+          a (array): Input array.
+
+      Returns:
+          array: The angles in degrees.
+    )pbdoc");
+  m.def(
+      "radians",
+      &mlx::core::radians,
+      nb::arg(),
+      nb::kw_only(),
+      "stream"_a = nb::none(),
+      nb::sig(
+          "def radians(a: array, /, *, stream: Union[None, Stream, Device] = None) -> array"),
+      R"pbdoc(
+      Convert angles from degrees to radians.
+
+      Args:
+          a (array): Input array.
+
+      Returns:
+          array: The angles in radians.
+    )pbdoc");
   m.def(
       "log",
       &mlx::core::log,

python/tests/test_ops.py

@@ -893,6 +893,22 @@ class TestOps(mlx_tests.MLXTestCase):
 
         self.assertTrue(np.allclose(result, expected))
 
+    def test_degrees(self):
+        a = mx.array(
+            [0, math.pi / 4, math.pi / 2, math.pi, 3 * math.pi / 4, 2 * math.pi]
+        )
+        result = mx.degrees(a)
+        expected = np.degrees(a, dtype=np.float32)
+
+        self.assertTrue(np.allclose(result, expected))
+
+    def test_radians(self):
+        a = mx.array([0.0, 45.0, 90.0, 180.0, 270.0, 360.0])
+        result = mx.radians(a)
+        expected = np.radians(a, dtype=np.float32)
+
+        self.assertTrue(np.allclose(result, expected))
+
     def test_log1p(self):
         a = mx.array([1, 0.5, 10, 100])
         result = mx.log1p(a)

python/tests/test_vmap.py

@@ -49,8 +49,9 @@ class TestVmap(mlx_tests.MLXTestCase):
             "sin",
             "sqrt",
             "square",
+            "degrees",
+            "radians",
         ]
-        ops = ["erfinv"]
         for opname in ops:
             with self.subTest(op=opname):
                 op = getattr(mx, opname)