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      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 
     17 num_input = 3
     18 num_hash = 4
     19 num_bits = 2
     20 
     21 model = Model()
     22 
     23 hhash = Input("hash", "TENSOR_FLOAT32", "{%d, %d}" % (num_hash, num_bits))
     24 lookup = Input("lookup", "TENSOR_INT32", "{%d, %d}" % (num_input, num_bits))
     25 weight = Input("weight", "TENSOR_FLOAT32", "{%d}" % (num_input))
     26 type_param = Int32Scalar("type_param", 2)  # DENSE
     27 output = Output("output", "TENSOR_INT32", "{%d}" % (num_hash * num_bits))
     28 model = model.Operation("LSH_PROJECTION", hhash, lookup, weight, type_param).To(output)
     29 
     30 input0 = {lookup:  [12345, 54321, 67890, 9876, -12345678, -87654321],
     31           hhash: [0.123, 0.456, -0.321, -0.654, 1.234, 5.678, -4.321, -8.765],
     32           weight: [0.12, 0.34, 0.56],
     33           }
     34 
     35 output0 = {output: [1, 1, 1, 0, 1, 1, 1, 0]}
     36 
     37 Example((input0, output0))
     38 
     39