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# Copyright (c) 2017 Advanced Micro Devices, Inc. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import unittest
import math
import numpy as np
from hiprand import *
def make_test(BaseClass, subname, **kwargs):
class Class(BaseClass):
def setUp(self):
super(Class, self).setUp()
name = BaseClass.__name__ + subname
globals()[name] = type(name, (Class,), kwargs)
class TestVersion(unittest.TestCase):
def test_version(self):
self.assertGreater(get_version(), 0)
class TestCtor(unittest.TestCase):
def test_ctor(self):
with self.assertRaises(HipRandError):
PRNG(1234)
with self.assertRaises(HipRandError):
QRNG(1234)
class TestRNGBase(unittest.TestCase):
rngtype = None
def setUp(self):
if not self.rngtype:
self.skipTest("rngtype is not set")
class TestCtorPRNG(TestRNGBase):
def test_ctor(self):
PRNG(self.rngtype)
PRNG(self.rngtype, seed=123456)
PRNG(self.rngtype, offset=987654)
PRNG(self.rngtype, seed=2345678, offset=7654)
make_test(TestCtorPRNG, "DEFAULT", rngtype=PRNG.DEFAULT)
make_test(TestCtorPRNG, "XORWOW", rngtype=PRNG.XORWOW)
make_test(TestCtorPRNG, "MRG32K3A", rngtype=PRNG.MRG32K3A)
make_test(TestCtorPRNG, "PHILOX4_32_10", rngtype=PRNG.PHILOX4_32_10)
class TestCtorPRNGMTGP32(TestRNGBase):
rngtype = PRNG.MTGP32
def test_ctor(self):
PRNG(self.rngtype)
PRNG(self.rngtype, seed=123456)
with self.assertRaises(HipRandError):
PRNG(self.rngtype, offset=987654)
with self.assertRaises(HipRandError):
PRNG(self.rngtype, seed=2345678, offset=7654)
class TestCtorQRNG(TestRNGBase):
def test_ctor(self):
QRNG(self.rngtype)
QRNG(self.rngtype, ndim=10)
QRNG(self.rngtype, offset=987654)
QRNG(self.rngtype, ndim=123, offset=7654)
make_test(TestCtorQRNG, "DEFAULT", rngtype=QRNG.DEFAULT)
make_test(TestCtorQRNG, "SOBOL32", rngtype=QRNG.SOBOL32)
class TestParamsPRNG(TestRNGBase):
def setUp(self):
super(TestParamsPRNG, self).setUp()
self.rng = PRNG(self.rngtype)
def tearDown(self):
del self.rng
def test_seed(self):
self.assertIsNone(self.rng.seed)
self.rng.seed = 0
self.assertEqual(self.rng.seed, 0)
self.rng.seed = 54654634456365
self.assertEqual(self.rng.seed, 54654634456365)
def test_offset(self):
self.assertEqual(self.rng.offset, 0)
self.rng.offset = 0
self.assertEqual(self.rng.offset, 0)
self.rng.offset = 2323423
self.assertEqual(self.rng.offset, 2323423)
make_test(TestParamsPRNG, "DEFAULT", rngtype=PRNG.DEFAULT)
make_test(TestParamsPRNG, "XORWOW", rngtype=PRNG.XORWOW)
make_test(TestParamsPRNG, "MRG32K3A", rngtype=PRNG.MRG32K3A)
make_test(TestParamsPRNG, "PHILOX4_32_10", rngtype=PRNG.PHILOX4_32_10)
class TestParamsPRNGMTGP32(TestRNGBase):
rngtype = PRNG.MTGP32
def setUp(self):
super(TestParamsPRNGMTGP32, self).setUp()
self.rng = PRNG(self.rngtype)
def tearDown(self):
del self.rng
def test_seed(self):
self.assertIsNone(self.rng.seed)
self.rng.seed = 0
self.assertEqual(self.rng.seed, 0)
self.rng.seed = 54654634456365
self.assertEqual(self.rng.seed, 54654634456365)
def test_offset(self):
self.assertEqual(self.rng.offset, 0)
with self.assertRaises(HipRandError):
self.rng.offset = 2323423
class TestParamsQRNG(TestRNGBase):
def setUp(self):
super(TestParamsQRNG, self).setUp()
self.rng = QRNG(self.rngtype)
def tearDown(self):
del self.rng
def test_ndim(self):
self.assertEqual(self.rng.ndim, 1)
self.rng.ndim = 10
self.assertEqual(self.rng.ndim, 10)
self.rng.ndim = 123
self.assertEqual(self.rng.ndim, 123)
with self.assertRaises(HipRandError):
self.rng.ndim = 0
self.assertEqual(self.rng.ndim, 123)
with self.assertRaises(HipRandError):
self.rng.ndim = 30000
self.assertEqual(self.rng.ndim, 123)
def test_offset(self):
self.assertEqual(self.rng.offset, 0)
self.rng.offset = 0
self.assertEqual(self.rng.offset, 0)
self.rng.offset = 2323423
self.assertEqual(self.rng.offset, 2323423)
make_test(TestParamsQRNG, "DEFAULT", rngtype=QRNG.DEFAULT)
make_test(TestParamsQRNG, "SOBOL32", rngtype=QRNG.SOBOL32)
OUTPUT_SIZE = 8192
class TestGenerate(TestRNGBase):
def setUp(self):
super(TestGenerate, self).setUp()
self.rng = self.klass(self.rngtype)
def tearDown(self):
del self.rng
def test_types(self):
with self.assertRaises(TypeError):
self.rng.uniform(np.empty(100, np.int8))
with self.assertRaises(TypeError):
self.rng.normal(np.empty(100, np.int8), 0.0, 1.0)
with self.assertRaises(TypeError):
self.rng.lognormal(np.empty(100, np.int8), 0.0, 1.0)
with self.assertRaises(TypeError):
self.rng.poisson(np.empty(100, np.float32), 100.0)
self.rng.generate(np.empty(100, np.uint32))
self.rng.generate(np.empty((10, 100), np.uint32))
self.rng.uniform(empty(100, np.float32))
self.rng.uniform(empty((10, 100), np.float32))
def test_generate_uint32(self):
output = np.empty(OUTPUT_SIZE, np.uint32)
self.rng.generate(output)
output = output.astype(np.float64)
output /= 4294967295.0
self.assertAlmostEqual(output.mean(), 0.5, delta=0.2)
self.assertAlmostEqual(output.std(), pow(1 / 12.0, 0.5), delta=0.2 * pow(1 / 12.0, 0.5))
def test_generate_int32(self):
output = np.empty(OUTPUT_SIZE, np.int32)
self.rng.generate(output)
output = output.astype(np.float64)
output /= 4294967295.0
self.assertAlmostEqual(output.mean(), 0.0, delta=0.2)
self.assertAlmostEqual(output.std(), pow(1 / 12.0, 0.5), delta=0.2 * pow(1 / 12.0, 0.5))
def _test_uniform(self, dtype):
output = np.empty(OUTPUT_SIZE, dtype)
self.rng.uniform(output)
self.assertAlmostEqual(output.mean(), 0.5, delta=0.2)
self.assertAlmostEqual(output.std(), math.sqrt(1 / 12.0), delta=0.2 * math.sqrt(1 / 12.0))
def test_uniform_float(self):
self._test_uniform(np.float32)
def test_uniform_double(self):
self._test_uniform(np.float64)
def _test_normal_real(self, dtype):
output = np.empty(OUTPUT_SIZE, dtype)
self.rng.normal(output, 0.0, 1.0)
self.assertAlmostEqual(output.mean(), 0.0, delta=0.2)
self.assertAlmostEqual(output.std(), 1.0, delta=0.2)
def test_normal_float(self):
self._test_normal_real(np.float32)
def test_normal_double(self):
self._test_normal_real(np.float64)
def _test_lognormal_real(self, dtype):
output = np.empty(OUTPUT_SIZE, dtype)
self.rng.lognormal(output, 1.6, 0.25)
mean = output.mean()
stddev = output.std()
logmean = math.log(mean * mean / math.sqrt(stddev + mean * mean))
logstd = math.sqrt(math.log(1.0 + stddev / (mean * mean)))
self.assertAlmostEqual(logmean, 1.6, delta=1.6 * 0.2)
self.assertAlmostEqual(logstd, 0.25, delta=0.25 * 0.2)
def test_lognormal_float(self):
self._test_lognormal_real(np.float32)
def test_lognormal_double(self):
self._test_lognormal_real(np.float64)
def test_poisson(self):
for lambda_value in [1.0, 5.5, 20.0, 100.0, 1234.5, 5000.0]:
output = np.empty(OUTPUT_SIZE, np.uint32)
self.rng.poisson(output, lambda_value)
self.assertAlmostEqual(output.mean(), lambda_value, delta=max(1.0, lambda_value * 1e-1))
self.assertAlmostEqual(output.var(), lambda_value, delta=max(1.0, lambda_value * 1e-1))
def test_size(self):
output = np.full(OUTPUT_SIZE * 2, 10.0, dtype=np.float64)
self.rng.uniform(output, size=OUTPUT_SIZE)
self.assertTrue((output[:OUTPUT_SIZE] <= 1.0).all())
self.assertTrue((output[OUTPUT_SIZE:] == 10.0).all())
make_test(TestGenerate, "PRNG" + "DEFAULT", klass=PRNG, rngtype=PRNG.DEFAULT)
make_test(TestGenerate, "PRNG" + "XORWOW", klass=PRNG, rngtype=PRNG.XORWOW)
make_test(TestGenerate, "PRNG" + "MRG32K3A", klass=PRNG, rngtype=PRNG.MRG32K3A)
make_test(TestGenerate, "PRNG" + "MTGP32", klass=PRNG, rngtype=PRNG.MTGP32)
make_test(TestGenerate, "PRNG" + "PHILOX4_32_10", klass=PRNG, rngtype=PRNG.PHILOX4_32_10)
make_test(TestGenerate, "QRNG" + "DEFAULT", klass=QRNG, rngtype=QRNG.DEFAULT)
make_test(TestGenerate, "QRNG" + "SOBOL32", klass=QRNG, rngtype=QRNG.SOBOL32)
if __name__ == "__main__":
unittest.main()
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