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Author: samukweku

tests/ijby/test-func-unary.py

@@ -244,6 +244,8 @@ def test_dt_hyperbolic1(math_func, dt_func):
     assert RES.to_list() == [[hyperbolic_func(math_func, x) for x in src] for src in srcs]
 
 def test_dt_hyperbolic_acosh():
+    # floating point might have different precision
+    # from python, hence the use of integers
     srcs = [[7, 56, 3, 1]] 
     DT = dt.Frame(srcs)
     RES = DT[:, dt.math.arcosh(f[:])]