test_constants.py 1.6 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. from __future__ import division, print_function, absolute_import
  2. from numpy.testing import assert_equal, assert_allclose
  3. import scipy.constants as sc
  4. def test_convert_temperature():
  5. assert_equal(sc.convert_temperature(32, 'f', 'Celsius'), 0)
  6. assert_equal(sc.convert_temperature([0, 0], 'celsius', 'Kelvin'),
  7. [273.15, 273.15])
  8. assert_equal(sc.convert_temperature([0, 0], 'kelvin', 'c'),
  9. [-273.15, -273.15])
  10. assert_equal(sc.convert_temperature([32, 32], 'f', 'k'), [273.15, 273.15])
  11. assert_equal(sc.convert_temperature([273.15, 273.15], 'kelvin', 'F'),
  12. [32, 32])
  13. assert_equal(sc.convert_temperature([0, 0], 'C', 'fahrenheit'), [32, 32])
  14. assert_allclose(sc.convert_temperature([0, 0], 'c', 'r'), [491.67, 491.67],
  15. rtol=0., atol=1e-13)
  16. assert_allclose(sc.convert_temperature([491.67, 491.67], 'Rankine', 'C'),
  17. [0., 0.], rtol=0., atol=1e-13)
  18. assert_allclose(sc.convert_temperature([491.67, 491.67], 'r', 'F'),
  19. [32., 32.], rtol=0., atol=1e-13)
  20. assert_allclose(sc.convert_temperature([32, 32], 'fahrenheit', 'R'),
  21. [491.67, 491.67], rtol=0., atol=1e-13)
  22. assert_allclose(sc.convert_temperature([273.15, 273.15], 'K', 'R'),
  23. [491.67, 491.67], rtol=0., atol=1e-13)
  24. assert_allclose(sc.convert_temperature([491.67, 0.], 'rankine', 'kelvin'),
  25. [273.15, 0.], rtol=0., atol=1e-13)
  26. def test_lambda_to_nu():
  27. assert_equal(sc.lambda2nu(sc.speed_of_light), 1)
  28. def test_nu_to_lambda():
  29. assert_equal(sc.nu2lambda(1), sc.speed_of_light)