Data commit

Task/Test-integerness/Python/test-integerness.py

@@ -0,0 +1,26 @@
+>>> def isint(f):
+    return complex(f).imag == 0 and complex(f).real.is_integer()
+
+>>> [isint(f) for f in (1.0, 2, (3.0+0.0j), 4.1, (3+4j), (5.6+0j))]
+[True, True, True, False, False, False]
+
+>>> # Test cases
+...
+>>> isint(25.000000)
+True
+>>> isint(24.999999)
+False
+>>> isint(25.000100)
+False
+>>> isint(-2.1e120)
+True
+>>> isint(-5e-2)
+False
+>>> isint(float('nan'))
+False
+>>> isint(float('inf'))
+False
+>>> isint(5.0+0.0j)
+True
+>>> isint(5-5j)
+False