File: Normalizer.proto

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// Copyright (c) 2017, Apple Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-3-clause license that can be
// found in LICENSE.txt or at https://opensource.org/licenses/BSD-3-Clause

syntax = "proto3";
option optimize_for = LITE_RUNTIME;

package CoreML.Specification;

/*
 * A normalization preprocessor.
 */
message Normalizer {
  /*
   * There are three normalization modes,
   * which have the corresponding formulas:
   *
   * Max
   *     .. math::
   *         max(x_i)
   *
   * L1
   *     .. math::
   *         z = ||x||_1 = \sum_{i=1}^{n} |x_i|
   *
   * L2
   *     .. math::
   *         z = ||x||_2 = \sqrt{\sum_{i=1}^{n} x_i^2}
   */
  enum NormType {
    LMax = 0;
    L1 = 1;
    L2 = 2;
  }

  NormType normType = 1;
}