2015-02-22 14:49:46 +00:00
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# test the special functions imported from math
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try:
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from math import *
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2020-03-23 02:26:08 +00:00
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2015-03-03 10:24:52 +00:00
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erf
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except (ImportError, NameError):
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2015-02-22 14:49:46 +00:00
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print("SKIP")
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2017-06-08 05:00:57 +01:00
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raise SystemExit
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2015-02-22 14:49:46 +00:00
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test_values = [
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-8.0,
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-2.5,
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-1,
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-0.5,
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0.0,
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0.5,
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2.5,
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8.0,
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]
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pos_test_values = [
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0.001,
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0.1,
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0.5,
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1.0,
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1.5,
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10.0,
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2020-03-23 02:26:08 +00:00
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]
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2015-02-22 14:49:46 +00:00
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functions = [
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2016-01-08 14:27:21 +00:00
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("expm1", expm1, test_values),
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("log2", log2, test_values),
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("log10", log10, test_values),
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("cosh", cosh, test_values),
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("sinh", sinh, test_values),
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2018-09-04 08:03:37 +01:00
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("tanh", tanh, [-1e6, -100] + test_values + [100, 1e6]),
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2016-01-08 14:27:21 +00:00
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("acosh", acosh, [1.0, 5.0, 1.0]),
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("asinh", asinh, test_values),
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("atanh", atanh, [-0.99, -0.5, 0.0, 0.5, 0.99]),
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2015-02-22 14:49:46 +00:00
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("erf", erf, test_values),
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("erfc", erfc, test_values),
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("gamma", gamma, pos_test_values),
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("lgamma", lgamma, pos_test_values + [50.0, 100.0]),
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]
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for function_name, function, test_vals in functions:
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for value in test_vals:
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2016-01-08 14:27:21 +00:00
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try:
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2023-02-15 23:27:10 +00:00
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ans = "{:.4g}".format(function(value))
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2016-01-08 14:27:21 +00:00
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except ValueError as e:
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2023-02-15 23:27:10 +00:00
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ans = str(e)
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print("{}({:.4g}) = {}".format(function_name, value, ans))
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