HyukjinKwon commented on a change in pull request #33988:
URL: https://github.com/apache/spark/pull/33988#discussion_r710602269
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File path: python/pyspark/sql/tests/test_functions.py
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@@ -157,6 +159,32 @@ def test_inverse_trig_functions(self):
for c in cols:
self.assertIn(f"{alias}(a)", repr(f(c)))
+ def test_reciprocal_trig_functions(self):
+ # SPARK-36683: Add new built-in SQL functions: SEC and CSC
+ list = [0.0, math.pi/6, math.pi/4, math.pi/3, math.pi/2,
+ math.pi, 3 * math.pi / 2, 2 * math.pi]
+
+ df = self.spark.createDataFrame(list, types.DoubleType())
+
+ def to_reciprocal_trig(func):
+ return [1.0 / func(i) if func(i) != 0 else math.inf for i in list]
+
+ def get_values(l):
Review comment:
Sure, I think we can.
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