| 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 { ENGINE } from '../engine';
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| 18 | import { Exp } from '../kernel_names';
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| 19 | import { convertToTensor } from '../tensor_util_env';
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| 20 | import { op } from './operation';
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| 21 | /**
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| 22 | * Computes exponential of the input `tf.Tensor` element-wise. `e ^ x`
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| 23 | *
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| 24 | * ```js
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| 25 | * const x = tf.tensor1d([1, 2, -3]);
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| 26 | *
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| 27 | * x.exp().print(); // or tf.exp(x)
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| 28 | * ```
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| 29 | * @param x The input tensor.
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| 30 | *
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| 31 | * @doc {heading: 'Operations', subheading: 'Basic math'}
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| 32 | */
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| 33 | function exp_(x) {
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| 34 | const $x = convertToTensor(x, 'x', 'exp');
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| 35 | const inputs = { x: $x };
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| 36 | return ENGINE.runKernel(Exp, inputs);
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| 37 | }
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| 38 | export const exp = op({ exp_ });
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