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from caffe2.python import core, workspace
from caffe2.python.test_util import TestCase
import numpy as np
import unittest
def setThrowIfFpExceptions(enabled):
core.GlobalInit(["caffe2", "--caffe2_operator_throw_if_fp_exceptions=%d" % (1 if enabled else 0)])
class OperatorFPExceptionsTest(TestCase):
def test_fp_exception_divbyzero(self):
# This test asserts the followings
# - If flag caffe2_operator_throw_if_fp_exceptions is set,
# floating point exceptions will be thrown
# - If flag caffe2_operator_throw_if_fp_exceptions is not set,
# floating point exceptions will not be thrown
workspace.blobs["0"] = np.array([0.0], dtype=np.float32)
workspace.blobs["1"] = np.array([1.0], dtype=np.float32)
net = core.Net("test_fp")
net.Div(["1", "0"], "out")
for throw_if_fp_exceptions in (True, False):
setThrowIfFpExceptions(throw_if_fp_exceptions)
exception_raised = False
try:
workspace.RunNetOnce(net)
except Exception as e:
exception_raised = True
self.assertEquals(exception_raised, throw_if_fp_exceptions)
if __name__ == '__main__':
unittest.main()
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