@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
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JavaScript
/**
* @license
* Copyright 2020 Google LLC. 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.
* =============================================================================
*/
import * as tf from '../index';
import { ALL_ENVS, describeWithFlags } from '../jasmine_util';
import { expectArraysClose } from '../test_util';
describeWithFlags('logicalNot', ALL_ENVS, () => {
it('Tensor1D.', async () => {
let a = tf.tensor1d([1, 0, 0], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 1]);
a = tf.tensor1d([0, 0, 0], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [1, 1, 1]);
a = tf.tensor1d([1, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 0]);
});
it('Tests chaining in Tensor1D', async () => {
let a = tf.tensor1d([1, 0, 0], 'bool');
expectArraysClose(await a.logicalNot().data(), [0, 1, 1]);
a = tf.tensor1d([0, 0, 0], 'bool');
expectArraysClose(await a.logicalNot().data(), [1, 1, 1]);
a = tf.tensor1d([1, 1], 'bool');
expectArraysClose(await a.logicalNot().data(), [0, 0]);
});
it('Tensor2D', async () => {
let a = tf.tensor2d([[1, 0, 1], [0, 0, 0]], [2, 3], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 0, 1, 1, 1]);
a = tf.tensor2d([[0, 0, 0], [1, 1, 1]], [2, 3], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [1, 1, 1, 0, 0, 0]);
});
it('Tensor3D', async () => {
let a = tf.tensor3d([[[1], [0], [1]], [[0], [0], [0]]], [2, 3, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 0, 1, 1, 1]);
a = tf.tensor3d([[[0], [0], [0]], [[1], [1], [1]]], [2, 3, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [1, 1, 1, 0, 0, 0]);
});
it('Tensor4D', async () => {
let a = tf.tensor4d([1, 0, 1, 0], [2, 2, 1, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 0, 1]);
a = tf.tensor4d([0, 0, 0, 0], [2, 2, 1, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [1, 1, 1, 1]);
a = tf.tensor4d([1, 1, 1, 1], [2, 2, 1, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 0, 0, 0]);
});
it('Tensor6D', async () => {
let a = tf.tensor6d([1, 0, 1, 0], [2, 2, 1, 1, 1, 1], 'bool');
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 0, 1]);
a = tf.zeros([2, 2, 2, 2, 2, 2]).cast('bool');
let expectedResult = new Uint8Array(64).fill(1);
expectedResult = expectedResult.fill(1);
expectArraysClose(await tf.logicalNot(a).data(), expectedResult);
a = tf.ones([2, 2, 2, 2, 2, 2]).cast('bool');
expectedResult = expectedResult.fill(0);
expectArraysClose(await tf.logicalNot(a).data(), expectedResult);
});
it('throws when passed a non-tensor', () => {
expect(() => tf.logicalNot({}))
.toThrowError(/Argument 'x' passed to 'logicalNot' must be a Tensor/);
});
it('accepts a tensor-like object', async () => {
const a = [1, 0, 0];
expectArraysClose(await tf.logicalNot(a).data(), [0, 1, 1]);
});
});
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