/usr/lib/python3/dist-packages/pint/testsuite/test_converters.py is in python3-pint 0.8.1-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | # -*- coding: utf-8 -*-
from __future__ import division, unicode_literals, print_function, absolute_import
import itertools
from pint.compat import np
from pint.converters import (ScaleConverter, OffsetConverter, Converter)
from pint.testsuite import helpers, BaseTestCase
class TestConverter(BaseTestCase):
def test_converter(self):
c = Converter()
self.assertTrue(c.is_multiplicative)
self.assertTrue(c.to_reference(8))
self.assertTrue(c.from_reference(8))
def test_multiplicative_converter(self):
c = ScaleConverter(20.)
self.assertEqual(c.from_reference(c.to_reference(100)), 100)
self.assertEqual(c.to_reference(c.from_reference(100)), 100)
def test_offset_converter(self):
c = OffsetConverter(20., 2)
self.assertEqual(c.from_reference(c.to_reference(100)), 100)
self.assertEqual(c.to_reference(c.from_reference(100)), 100)
@helpers.requires_numpy()
def test_converter_inplace(self):
for c in (ScaleConverter(20.), OffsetConverter(20., 2)):
fun1 = lambda x, y: c.from_reference(c.to_reference(x, y), y)
fun2 = lambda x, y: c.to_reference(c.from_reference(x, y), y)
for fun, (inplace, comp) in itertools.product((fun1, fun2),
((True, self.assertIs), (False, self.assertIsNot))):
a = np.ones((1, 10))
ac = np.ones((1, 10))
r = fun(a, inplace)
np.testing.assert_allclose(r, ac)
comp(a, r)
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