@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
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JavaScript
/**
* @license
* Copyright 2018 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('complex64', ALL_ENVS, () => {
it('tf.complex', async () => {
const real = tf.tensor1d([3, 30]);
const imag = tf.tensor1d([4, 40]);
const complex = tf.complex(real, imag);
expect(complex.dtype).toBe('complex64');
expect(complex.shape).toEqual(real.shape);
expectArraysClose(await complex.data(), [3, 4, 30, 40]);
});
it('tf.real', async () => {
const complex = tf.complex([3, 30], [4, 40]);
const real = tf.real(complex);
expect(real.dtype).toBe('float32');
expect(real.shape).toEqual([2]);
expectArraysClose(await real.data(), [3, 30]);
});
it('tf.imag', async () => {
const complex = tf.complex([3, 30], [4, 40]);
const imag = tf.imag(complex);
expect(imag.dtype).toBe('float32');
expect(imag.shape).toEqual([2]);
expectArraysClose(await imag.data(), [4, 40]);
});
it('throws when shapes dont match', () => {
const real = tf.tensor1d([3, 30]);
const imag = tf.tensor1d([4, 40, 50]);
const re = /real and imag shapes, 2 and 3, must match in call to tf.complex\(\)/;
expect(() => tf.complex(real, imag)).toThrowError(re);
});
});
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