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require 'test_helper'
class ConstTest < GSL::TestCase
def test_speed_of_light
c = GSL::CONST::MKSA::SPEED_OF_LIGHT
eps = GSL::CONST::MKSA::VACUUM_PERMITTIVITY
mu = GSL::CONST::MKSA::VACUUM_PERMEABILITY
assert_rel c, 1.0 / GSL.sqrt(eps * mu), 1e-6, 'speed of light (mks)'
end
def test_light_year
ly = GSL::CONST::CGSM::LIGHT_YEAR
c = GSL::CONST::CGSM::SPEED_OF_LIGHT
y = 365.2425 * GSL::CONST::CGSM::DAY
assert_rel ly, c * y, 1e-6, 'light year (cgs)'
end
def test_kilo
micro = GSL::CONST::NUM::MICRO
mega = GSL::CONST::NUM::MEGA
kilo = GSL::CONST::NUM::KILO
assert_rel mega / kilo, 1 / (micro * kilo), 1e-10, 'kilo (mega/kilo, 1/(micro*kilo))'
end
end
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