| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2020 Google LLC. All Rights Reserved.
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | * =============================================================================
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| 16 | */
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| 17 | import { convertToTensor } from '../tensor_util_env';
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| 18 | import * as util from '../util';
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| 19 | import { op } from './operation';
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| 20 | import { reverse } from './reverse';
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| 21 | /**
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| 22 | * Reverses a `tf.Tensor4D` along a specified axis.
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| 23 | *
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| 24 | * @param x The input tensor.
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| 25 | * @param axis The set of dimensions to reverse. Must be in the
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| 26 | * range [-rank(x), rank(x)). Defaults to all axes.
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| 27 | */
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| 28 | function reverse4d_(x, axis) {
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| 29 | const $x = convertToTensor(x, 'x', 'reverse');
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| 30 | util.assert($x.rank === 4, () => `Error in reverse4D: x must be rank 4 but got rank ${$x.rank}.`);
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| 31 | return reverse($x, axis);
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| 32 | }
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| 33 | export const reverse4d = op({ reverse4d_ });
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