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      1 #
      2 # Copyright (C) 2018 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 # model
     18 model = Model()
     19 
     20 d0 = 2
     21 d1 = 32
     22 d2 = 40
     23 d3 = 2
     24 
     25 i0 = Input("input", "TENSOR_FLOAT32", "{%d, %d, %d, %d}" % (d0, d1, d2, d3))
     26 
     27 output = Output("output", "TENSOR_FLOAT32", "{%d, %d, %d, %d}" % (d0, d1, d2, d3))
     28 
     29 model = model.Operation("LOGISTIC", i0).To(output)
     30 model = model.RelaxedExecution(True)
     31 
     32 # Example 1. Input in operand 0,
     33 rng = d0 * d1 * d2 * d3
     34 input_values = (lambda r = rng: [x * (x % 2 - .5) * 2 % 512 for x in range(r)])()
     35 input0 = {i0: input_values}
     36 output_values = [1. / (1. + math.exp(-x)) for x in input_values]
     37 output0 = {output: output_values}
     38 
     39 # Instantiate an example
     40 Example((input0, output0))
     41