From 96fc308c043e6534b198e9b702726ba819f34b81 Mon Sep 17 00:00:00 2001
From: Gyubong <jopemachine@naver.com>
Date: Fri, 9 Sep 2022 09:30:07 +0900
Subject: [PATCH] Add `math.cbrt`

Update math.rs
---
 Lib/test/test_math.py | 2 --
 stdlib/src/math.rs    | 5 +++++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 456695ecef8..98185c30064 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -377,8 +377,6 @@ def testAtan2(self):
         self.assertTrue(math.isnan(math.atan2(NAN, INF)))
         self.assertTrue(math.isnan(math.atan2(NAN, NAN)))
 
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
     def testCbrt(self):
         self.assertRaises(TypeError, math.cbrt)
         self.ftest('cbrt(0)', math.cbrt(0), 0)
diff --git a/stdlib/src/math.rs b/stdlib/src/math.rs
index 6ceb0e4917a..91ae0b57c70 100644
--- a/stdlib/src/math.rs
+++ b/stdlib/src/math.rs
@@ -541,6 +541,11 @@ mod math {
         math_perf_arb_len_int_op(args, |x, y| x.lcm(y.as_bigint()), BigInt::one())
     }
 
+    #[pyfunction]
+    fn cbrt(x: ArgIntoFloat) -> f64 {
+        x.cbrt()
+    }
+
     #[pyfunction]
     fn fsum(seq: ArgIterable<ArgIntoFloat>, vm: &VirtualMachine) -> PyResult<f64> {
         let mut partials = vec![];