rocm_jax/tests/debug_nans_test.py
2019-10-02 16:10:27 -07:00

59 lines
1.6 KiB
Python

# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for --debug_nans."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from absl.testing import absltest
from absl.testing import parameterized
import numpy as onp
import jax
from jax import test_util as jtu
from jax.test_util import check_grads
from jax import numpy as np
from jax import random
from jax.config import config
config.parse_flags_with_absl()
class DebugNaNsTest(jtu.JaxTestCase):
def setUp(self):
self.cfg = config.read("jax_debug_nans")
config.update("jax_debug_nans", True)
def tearDown(self):
config.update("jax_debug_nans", self.cfg)
def testSingleResultPrimitiveNoNaN(self):
A = np.array([[1., 2.], [2., 3.]])
B = np.tanh(A)
def testMultipleResultPrimitiveNoNaN(self):
A = np.array([[1., 2.], [2., 3.]])
D, V = np.linalg.eig(A)
def testJitComputationNoNaN(self):
A = np.array([[1., 2.], [2., 3.]])
B = jax.jit(np.tanh)(A)
def testSingleResultPrimitiveNaN(self):
A = np.array(0.)
with self.assertRaises(FloatingPointError):
B = 0. / A