def test31(self):
"""
test trigonometric unit stuff
"""
self.assertEqual(units.pi, numpy.pi)
a = units.pi
self.assertEqual(trigo.to_rad(a), numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 180. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.5 | units.rev)
a = 90 | units.deg
self.assertEqual(trigo.to_rad(a), numpy.pi / 2 | units.rad)
self.assertEqual(trigo.to_deg(a), 90. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.25 | units.rev)
a = 0.75 | units.rev
self.assertEqual(trigo.to_rad(a), 3 / 2. * numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 270. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.75 | units.rev)
a = 2 * numpy.pi
self.assertEqual(trigo.to_rad(a), 2 * numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 360. | units.deg)
self.assertEqual(trigo.to_rev(a), 1. | units.rev)
a = 45. | units.deg
self.assertEqual(trigo.sin(a), numpy.sin(45. / 180 * numpy.pi))
self.assertEqual(trigo.cos(a), numpy.cos(45. / 180 * numpy.pi))
self.assertEqual(trigo.tan(a), numpy.tan(45. / 180 * numpy.pi))
a = 1. | units.rad
self.assertEqual(trigo.sin(a), numpy.sin(1.))
self.assertEqual(trigo.cos(a), numpy.cos(1.))
self.assertEqual(trigo.tan(a), numpy.tan(1.))
a = 0.125 | units.rev
self.assertEqual(trigo.sin(a), numpy.sin(45. / 180 * numpy.pi))
self.assertEqual(trigo.cos(a), numpy.cos(45. / 180 * numpy.pi))
self.assertEqual(trigo.tan(a), numpy.tan(45. / 180 * numpy.pi))
a = 45. | units.deg
self.assertAlmostEqual(trigo.arcsin(trigo.sin(a)), 45. | units.deg, 13)
self.assertAlmostEqual(trigo.arccos(trigo.cos(a)), 45. | units.deg, 13)
self.assertAlmostEqual(trigo.arctan(trigo.tan(a)), 45. | units.deg, 13)
def test31(self):
"""
test trigonometric unit stuff
"""
self.assertEqual(units.pi,numpy.pi)
a=units.pi
self.assertEqual(trigo.to_rad(a), numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 180. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.5 | units.rev)
a=90 | units.deg
self.assertEqual(trigo.to_rad(a), numpy.pi/2 | units.rad)
self.assertEqual(trigo.to_deg(a), 90. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.25 | units.rev)
a=0.75 | units.rev
self.assertEqual(trigo.to_rad(a), 3/2.*numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 270. | units.deg)
self.assertEqual(trigo.to_rev(a), 0.75 | units.rev)
a=2*numpy.pi
self.assertEqual(trigo.to_rad(a), 2*numpy.pi | units.rad)
self.assertEqual(trigo.to_deg(a), 360. | units.deg)
self.assertEqual(trigo.to_rev(a), 1. | units.rev)
a=45. | units.deg
self.assertEqual(trigo.sin(a),numpy.sin(45./180*numpy.pi))
self.assertEqual(trigo.cos(a),numpy.cos(45./180*numpy.pi))
self.assertEqual(trigo.tan(a),numpy.tan(45./180*numpy.pi))
a=1. | units.rad
self.assertEqual(trigo.sin(a),numpy.sin(1.))
self.assertEqual(trigo.cos(a),numpy.cos(1.))
self.assertEqual(trigo.tan(a),numpy.tan(1.))
a=0.125 | units.rev
self.assertEqual(trigo.sin(a),numpy.sin(45./180*numpy.pi))
self.assertEqual(trigo.cos(a),numpy.cos(45./180*numpy.pi))
self.assertEqual(trigo.tan(a),numpy.tan(45./180*numpy.pi))
a=45. | units.deg
self.assertAlmostEqual(trigo.arcsin(trigo.sin(a)),45. | units.deg,13)
self.assertAlmostEqual(trigo.arccos(trigo.cos(a)),45. | units.deg,13)
self.assertAlmostEqual(trigo.arctan(trigo.tan(a)),45. | units.deg,13)