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from __future__ import division, print_function, absolute_import
from numpy.testing import assert_equal, assert_allclose
import scipy.constants as sc
def test_convert_temperature():
assert_equal(sc.convert_temperature(32, 'f', 'Celsius'), 0)
assert_equal(sc.convert_temperature([0, 0], 'celsius', 'Kelvin'),
[273.15, 273.15])
assert_equal(sc.convert_temperature([0, 0], 'kelvin', 'c'),
[-273.15, -273.15])
assert_equal(sc.convert_temperature([32, 32], 'f', 'k'), [273.15, 273.15])
assert_equal(sc.convert_temperature([273.15, 273.15], 'kelvin', 'F'),
[32, 32])
assert_equal(sc.convert_temperature([0, 0], 'C', 'fahrenheit'), [32, 32])
assert_allclose(sc.convert_temperature([0, 0], 'c', 'r'), [491.67, 491.67],
rtol=0., atol=1e-13)
assert_allclose(sc.convert_temperature([491.67, 491.67], 'Rankine', 'C'),
[0., 0.], rtol=0., atol=1e-13)
assert_allclose(sc.convert_temperature([491.67, 491.67], 'r', 'F'),
[32., 32.], rtol=0., atol=1e-13)
assert_allclose(sc.convert_temperature([32, 32], 'fahrenheit', 'R'),
[491.67, 491.67], rtol=0., atol=1e-13)
assert_allclose(sc.convert_temperature([273.15, 273.15], 'K', 'R'),
[491.67, 491.67], rtol=0., atol=1e-13)
assert_allclose(sc.convert_temperature([491.67, 0.], 'rankine', 'kelvin'),
[273.15, 0.], rtol=0., atol=1e-13)
def test_lambda_to_nu():
assert_equal(sc.lambda2nu(sc.speed_of_light), 1)
def test_nu_to_lambda():
assert_equal(sc.nu2lambda(1), sc.speed_of_light)
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