/** * @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 { ENGINE } from '../engine'; import { Step } from '../kernel_names'; import { convertToTensor } from '../tensor_util_env'; import { op } from './operation'; /** * Computes step of the input `tf.Tensor` element-wise: `x > 0 ? 1 : alpha` * * ```js * const x = tf.tensor1d([0, 2, -1, -3]); * * x.step(.5).print(); // or tf.step(x, .5) * ``` * @param x The input tensor. * @param alpha The gradient when input is negative. Defaults to 0. * * @doc {heading: 'Operations', subheading: 'Basic math'} */ function step_(x, alpha = 0.0) { const $x = convertToTensor(x, 'x', 'step'); const inputs = { x: $x }; const attrs = { alpha }; return ENGINE.runKernel(Step, inputs, attrs); } export const step = /* @__PURE__ */ op({ step_ }); //# sourceMappingURL=data:application/json;base64,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