38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# Copyright (C) 2018-2023 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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# flake8: noqa
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import json
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import numpy as np
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import pytest
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import ngraph as ng
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from ngraph.impl import Function, PartialShape, Shape
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from ngraph.impl.passes import Manager
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from tests.test_ngraph.util import count_ops_of_type
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def test_constant_folding():
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node_constant = ng.constant(np.array([[0.0, 0.1, -0.1], [-2.5, 2.5, 3.0]], dtype=np.float32))
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node_ceil = ng.ceiling(node_constant)
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func = Function(node_ceil, [], "TestFunction")
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assert count_ops_of_type(func, node_ceil) == 1
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assert count_ops_of_type(func, node_constant) == 1
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pass_manager = Manager()
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pass_manager.register_pass("ConstantFolding")
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pass_manager.run_passes(func)
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assert count_ops_of_type(func, node_ceil) == 0
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assert count_ops_of_type(func, node_constant) == 1
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new_const = func.get_results()[0].input(0).get_source_output().get_node()
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values_out = new_const.get_vector()
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values_expected = [0.0, 1.0, 0.0, -2.0, 3.0, 3.0]
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assert np.allclose(values_out, values_expected)
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