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91 lines
2.5 KiB
91 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 = [-100.0, -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 100.0]
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test_values_small = [
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-10.0,
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-1.23456,
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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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1.23456,
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10.0,
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] # so we don't overflow 32-bit precision
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unit_range_test_values = [-1.0, -0.75, -0.5, -0.25, 0.0, 0.25, 0.5, 0.75, 1.0]
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functions = [
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("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 = [
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("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 = [
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(
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"copysign",
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copysign,
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[(23.0, 42.0), (-23.0, 42.0), (23.0, -42.0), (-23.0, -42.0), (1.0, 0.0), (1.0, -0.0)],
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),
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("pow", pow, ((1.0, 0.0), (0.0, 1.0), (2.0, 0.5), (-3.0, 5.0), (-3.0, -4.0),)),
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("atan2", atan2, ((1.0, 0.0), (0.0, 1.0), (2.0, 0.5), (-3.0, 5.0), (-3.0, -4.0),)),
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("fmod", fmod, ((1.0, 1.0), (0.0, 1.0), (2.0, 0.5), (-3.0, 5.0), (-3.0, -4.0),)),
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("ldexp", ldexp, ((1.0, 0), (0.0, 1), (2.0, 2), (3.0, -2), (-3.0, -4),)),
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(
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"log",
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log,
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(
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(2.0, 2.0),
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(3.0, 2.0),
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(4.0, 5.0),
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(0.0, 1.0),
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(1.0, 0.0),
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(-1.0, 1.0),
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(1.0, -1.0),
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(2.0, 1.0),
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),
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),
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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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