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real.ts
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real.ts
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/**
* @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 {ENGINE} from '../engine';
import {Real, RealInputs} from '../kernel_names';
import {Tensor} from '../tensor';
import {NamedTensorMap} from '../tensor_types';
import {convertToTensor} from '../tensor_util_env';
import {TensorLike} from '../types';
import {op} from './operation';
/**
* Returns the real part of a complex (or real) tensor.
*
* Given a tensor input, this operation returns a tensor of type float that is
* the real part of each element in input considered as a complex number.
*
* If the input is real, it simply makes a clone.
*
* ```js
* const x = tf.complex([-2.25, 3.25], [4.75, 5.75]);
* tf.real(x).print();
* ```
*
* @doc {heading: 'Tensors', subheading: 'Creation'}
*/
function real_<T extends Tensor>(input: T|TensorLike): T {
const $input = convertToTensor(input, 'input', 'real');
const inputs: RealInputs = {input: $input};
return ENGINE.runKernel(Real, inputs as unknown as NamedTensorMap);
}
export const real = /* @__PURE__ */ op({real_});