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# to you 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
#
#   http://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
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# under the License.
""" test bind function."""
import tvm
from tvm import relay


def test_bind_params():
    x = relay.var("x")
    y = relay.var("y")
    z = relay.add(x, y)
    f = relay.Function([x, y], z)
    fbinded = relay.bind(f, {x : relay.const(1, "float32")})
    fexpected =relay.Function(
        [y],
        relay.add(relay.const(1, "float32"),  y))
    assert relay.ir_pass.alpha_equal(fbinded, fexpected)

    zbinded = relay.bind(z, {y: x})
    zexpected = relay.add(x, x)
    assert relay.ir_pass.alpha_equal(zbinded, zexpected)


if __name__ == "__main__":
    test_bind_params()
