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Copy pathmath_fun.py
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68 lines (60 loc) · 2.74 KB
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# Tests the functions imported from math
try:
from math import *
except ImportError:
print("SKIP")
import sys
sys.exit()
test_values = [-100., -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 100.]
test_values_small = [-10., -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 10.] # so we don't overflow 32-bit precision
p_test_values = [0.1, 0.5, 1.23456]
unit_range_test_values = [-1., -0.75, -0.5, -0.25, 0., 0.25, 0.5, 0.75, 1.]
functions = [('sqrt', sqrt, p_test_values),
('exp', exp, test_values_small),
('expm1', expm1, test_values_small),
('log', log, p_test_values),
('log2', log2, p_test_values),
('log10', log10, p_test_values),
('cosh', cosh, test_values_small),
('sinh', sinh, test_values_small),
('tanh', tanh, test_values_small),
('acosh', acosh, [1.0, 5.0, 1.0]),
('asinh', asinh, test_values),
('atanh', atanh, [-0.99, -0.5, 0.0, 0.5, 0.99]),
('cos', cos, test_values),
('sin', sin, test_values),
('tan', tan, test_values),
('acos', acos, unit_range_test_values),
('asin', asin, unit_range_test_values),
('atan', atan, test_values),
('ceil', ceil, test_values),
('fabs', fabs, test_values),
('floor', floor, test_values),
('trunc', trunc, test_values),
('radians', radians, test_values),
('degrees', degrees, test_values),
]
for function_name, function, test_vals in functions:
print(function_name)
for value in test_vals:
print("{:.5g}".format(function(value)))
tuple_functions = [('frexp', frexp, test_values),
('modf', modf, test_values),
]
for function_name, function, test_vals in tuple_functions:
print(function_name)
for value in test_vals:
x, y = function(value)
print("{:.5g} {:.5g}".format(x, y))
binary_functions = [('copysign', copysign, [(23., 42.), (-23., 42.), (23., -42.),
(-23., -42.), (1., 0.0), (1., -0.0)]),
('pow', pow, ((1., 0.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
('atan2', atan2, ((1., 0.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
('fmod', fmod, ((1., 1.), (0., 1.), (2., 0.5), (-3., 5.), (-3., -4.),)),
('ldexp', ldexp, ((1., 0), (0., 1), (2., 2), (3., -2), (-3., -4),)),
('log', log, ((2., 2.), (3., 2.), (4., 5.))),
]
for function_name, function, test_vals in binary_functions:
print(function_name)
for value1, value2 in test_vals:
print("{:.5g}".format(function(value1, value2)))