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63 lines
2.5 KiB
63 lines
2.5 KiB
# Tests the functions imported from math
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try:
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from math import *
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except ImportError:
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print("SKIP")
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raise SystemExit
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test_values = [-100., -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 100.]
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test_values_small = [-10., -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 10.] # so we don't overflow 32-bit precision
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unit_range_test_values = [-1., -0.75, -0.5, -0.25, 0., 0.25, 0.5, 0.75, 1.]
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functions = [('sqrt', sqrt, test_values),
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('exp', exp, test_values_small),
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('log', log, test_values),
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('cos', cos, test_values),
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('sin', sin, test_values),
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('tan', tan, test_values),
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('acos', acos, unit_range_test_values),
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('asin', asin, unit_range_test_values),
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('atan', atan, test_values),
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('ceil', ceil, test_values),
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('fabs', fabs, test_values),
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('floor', floor, test_values),
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('trunc', trunc, test_values),
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('radians', radians, test_values),
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('degrees', degrees, test_values),
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]
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for function_name, function, test_vals in functions:
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print(function_name)
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for value in test_vals:
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try:
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print("{:.5g}".format(function(value)))
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except ValueError as e:
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print(str(e))
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tuple_functions = [('frexp', frexp, test_values),
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('modf', modf, test_values),
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]
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for function_name, function, test_vals in tuple_functions:
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print(function_name)
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for value in test_vals:
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x, y = function(value)
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print("{:.5g} {:.5g}".format(x, y))
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binary_functions = [('copysign', copysign, [(23., 42.), (-23., 42.), (23., -42.),
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(-23., -42.), (1., 0.0), (1., -0.0)]),
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('pow', pow, ((1., 0.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
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('atan2', atan2, ((1., 0.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
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('fmod', fmod, ((1., 1.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
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('ldexp', ldexp, ((1., 0), (0., 1), (2., 2), (3., -2), (-3., -4),)),
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('log', log, ((2., 2.), (3., 2.), (4., 5.), (0., 1.), (1., 0.), (-1., 1.), (1., -1.), (2., 1.))),
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]
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for function_name, function, test_vals in binary_functions:
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print(function_name)
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for value1, value2 in test_vals:
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try:
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print("{:.5g}".format(function(value1, value2)))
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except (ValueError, ZeroDivisionError) as e:
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print(type(e))
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