| 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 * as tf from '../index';
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| 18 | import { ALL_ENVS, describeWithFlags } from '../jasmine_util';
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| 19 | import { expectArraysClose } from '../test_util';
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| 20 | describeWithFlags('elu', ALL_ENVS, () => {
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| 21 | it('calculate elu', async () => {
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| 22 | const a = tf.tensor1d([1, -1, 0]);
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| 23 | const result = tf.elu(a);
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| 24 | expect(result.shape).toEqual(a.shape);
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| 25 | expectArraysClose(await result.data(), [1, -0.6321, 0]);
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| 26 | });
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| 27 | it('elu propagates NaN', async () => {
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| 28 | const a = tf.tensor1d([1, NaN]);
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| 29 | const result = tf.elu(a);
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| 30 | expect(result.shape).toEqual(a.shape);
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| 31 | expectArraysClose(await result.data(), [1, NaN]);
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| 32 | });
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| 33 | it('derivative', async () => {
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| 34 | const x = tf.tensor1d([1, 3, -2]);
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| 35 | const dy = tf.tensor1d([5, 50, 500]);
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| 36 | const gradients = tf.grad(a => tf.elu(a))(x, dy);
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| 37 | expect(gradients.shape).toEqual(x.shape);
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| 38 | expect(gradients.dtype).toEqual('float32');
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| 39 | expectArraysClose(await gradients.data(), [5, 50, 500 * Math.exp(-2)]);
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| 40 | });
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| 41 | it('gradient with clones', async () => {
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| 42 | const x = tf.tensor1d([1, 3, -2]);
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| 43 | const dy = tf.tensor1d([5, 50, 500]);
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| 44 | const gradients = tf.grad(a => tf.elu(a.clone()).clone())(x, dy);
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| 45 | expect(gradients.shape).toEqual(x.shape);
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| 46 | expect(gradients.dtype).toEqual('float32');
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| 47 | expectArraysClose(await gradients.data(), [5, 50, 500 * Math.exp(-2)]);
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| 48 | });
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| 49 | it('throws when passed a non-tensor', () => {
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| 50 | expect(() => tf.elu({}))
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| 51 | .toThrowError(/Argument 'x' passed to 'elu' must be a Tensor/);
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| 52 | });
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| 53 | it('accepts a tensor-like object', async () => {
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| 54 | const result = tf.elu([1, -1, 0]);
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| 55 | expect(result.shape).toEqual(result.shape);
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| 56 | expectArraysClose(await result.data(), [1, -0.6321, 0]);
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| 57 | });
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| 58 | it('throws for string tensor', () => {
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| 59 | expect(() => tf.elu('q'))
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| 60 | .toThrowError(/Argument 'x' passed to 'elu' must be float32/);
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| 61 | });
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| 62 | it('throws for int32 tensor', () => {
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| 63 | expect(() => tf.elu(tf.tensor1d([1, 2, 3], 'int32')))
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| 64 | .toThrowError(/Argument 'x' passed to 'elu' must be float32/);
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| 65 | });
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| 66 | });
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All Rights Reserved.\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n * =============================================================================\n */\n\nimport * as tf from '../index';\nimport {ALL_ENVS, describeWithFlags} from '../jasmine_util';\nimport {expectArraysClose} from '../test_util';\n\ndescribeWithFlags('elu', ALL_ENVS, () => {\n  it('calculate elu', async () => {\n    const a = tf.tensor1d([1, -1, 0]);\n    const result = tf.elu(a);\n\n    expect(result.shape).toEqual(a.shape);\n    expectArraysClose(await result.data(), [1, -0.6321, 0]);\n  });\n\n  it('elu propagates NaN', async () => {\n    const a = tf.tensor1d([1, NaN]);\n    const result = tf.elu(a);\n    expect(result.shape).toEqual(a.shape);\n    expectArraysClose(await result.data(), [1, NaN]);\n  });\n\n  it('derivative', async () => {\n    const x = tf.tensor1d([1, 3, -2]);\n    const dy = tf.tensor1d([5, 50, 500]);\n    const gradients = tf.grad(a => tf.elu(a))(x, dy);\n\n    expect(gradients.shape).toEqual(x.shape);\n    expect(gradients.dtype).toEqual('float32');\n    expectArraysClose(await gradients.data(), [5, 50, 500 * Math.exp(-2)]);\n  });\n\n  it('gradient with clones', async () => {\n    const x = tf.tensor1d([1, 3, -2]);\n    const dy = tf.tensor1d([5, 50, 500]);\n    const gradients = tf.grad(a => tf.elu(a.clone()).clone())(x, dy);\n\n    expect(gradients.shape).toEqual(x.shape);\n    expect(gradients.dtype).toEqual('float32');\n    expectArraysClose(await gradients.data(), [5, 50, 500 * Math.exp(-2)]);\n  });\n\n  it('throws when passed a non-tensor', () => {\n    expect(() => tf.elu({} as tf.Tensor))\n        .toThrowError(/Argument 'x' passed to 'elu' must be a Tensor/);\n  });\n\n  it('accepts a tensor-like object', async () => {\n    const result = tf.elu([1, -1, 0]);\n    expect(result.shape).toEqual(result.shape);\n    expectArraysClose(await result.data(), [1, -0.6321, 0]);\n  });\n\n  it('throws for string tensor', () => {\n    expect(() => tf.elu('q'))\n        .toThrowError(/Argument 'x' passed to 'elu' must be float32/);\n  });\n\n  it('throws for int32 tensor', () => {\n    expect(() => tf.elu(tf.tensor1d([1, 2, 3], 'int32')))\n        .toThrowError(/Argument 'x' passed to 'elu' must be float32/);\n  });\n});\n"]} |
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