| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2018 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 { slice } from './slice';
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| 21 | /**
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| 22 | * Extracts a 2D slice from a 2D array starting at coordinates `begin` and
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| 23 | * is of size `size`. See `slice` for details.
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| 24 | */
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| 25 | function slice2d_(x, begin, size) {
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| 26 | const $x = convertToTensor(x, 'x', 'slice2d');
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| 27 | util.assert($x.rank === 2, () => `slice2d expects a rank-2 tensor, but got a rank-${$x.rank} tensor`);
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| 28 | return slice($x, begin, size);
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| 29 | }
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| 30 | export const slice2d = op({ slice2d_ });
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| 31 | //# sourceMappingURL=data:application/json;base64,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 |
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