1#
2# Copyright (C) 2017 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17num_input = 3
18num_hash = 4
19num_bits = 2
20
21model = Model()
22
23hhash = Parameter("hash", "TENSOR_FLOAT32", "{%d, %d}" % (num_hash, num_bits),
24                  [0.123, 0.456, -0.321, -0.654, 1.234, 5.678, -4.321, -8.765])
25lookup = Input("lookup", "TENSOR_INT32", "{%d, %d}" % (num_input, num_bits))
26weight = Input("weight", "TENSOR_FLOAT32", "{%d}" % (num_input))
27type_param = Int32Scalar("type_param", 2)  # DENSE
28output = Output("output", "TENSOR_INT32", "{%d}" % (num_hash * num_bits))
29model = model.Operation("LSH_PROJECTION", hhash, lookup, weight,
30                        type_param).To(output)
31
32#TODO: weight should be a constant, too.
33input0 = {
34    lookup: [12345, 54321, 67890, 9876, -12345678, -87654321],
35    weight: [0.12, 0.34, 0.56]
36}
37output0 = {output: [1, 1, 1, 0, 1, 1, 1, 0]}
38
39Example((input0, output0))
40
41