text: "use strict";
  /**
   * @license
   * Copyright 2018 Google Inc. All Rights Reserved.
   * Licensed 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 "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * =============================================================================
   */
  Object.defineProperty(exports, "__esModule", { value: true });
  var engine_1 = require("../engine");
  var tensor_util_env_1 = require("../tensor_util_env");
  var util = require("../util");
  var operation_1 = require("./operation");
  /**
   * Transposes the `tf.Tensor`. Permutes the dimensions according to `perm`.
   *
   * The returned `tf.Tensor`'s dimension `i` will correspond to the input
   * dimension `perm[i]`. If `perm` is not given, it is set to `[n-1...0]`,
   * where `n` is the rank of the input `tf.Tensor`. Hence by default, this
   * operation performs a regular matrix transpose on 2-D input `tf.Tensor`s.
   *
   * ```js
   * const a = tf.tensor2d([1, 2, 3, 4, 5, 6], [2, 3]);
   *
   * a.transpose().print();  // or tf.transpose(a)
   * ```
   *
   * @param x The tensor to transpose.
   * @param perm The permutation of the dimensions of a.
   */
  /** @doc {heading: 'Operations', subheading: 'Matrices'} */
  function transpose_(x, perm) {
      var $x = tensor_util_env_1.convertToTensor(x, 'x', 'transpose');
      if (perm == null) {
          perm = $x.shape.map(function (s, i) { return i; }).reverse();
      }
      util.assert($x.rank === perm.length, function () { return "Error in transpose: rank of input " + $x.rank + " " +
          ("must match length of perm " + perm + "."); });
      perm.forEach(function (axis) {
          util.assert(axis >= 0 && axis < $x.rank, function () { return "All entries in 'perm' must be between 0 and " + ($x.rank - 1) +
              (" but got " + perm); });
      });
      if ($x.rank <= 1) {
          return $x.clone();
      }
      var attrs = { perm: perm };
      return engine_1.ENGINE.runKernelFunc(function (backend) { return backend.transpose($x, perm); }, { x: $x }, null /* gradient */, 'Transpose', attrs);
  }
  exports.transpose = operation_1.op({ transpose_: transpose_ });
  //# sourceMappingURL=transpose.js.map