/** * @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 { Log } from '../kernel_names'; import { convertToTensor } from '../tensor_util_env'; import { op } from './operation'; /** * Computes natural logarithm of the input `tf.Tensor` element-wise: `ln(x)` * * ```js * const x = tf.tensor1d([1, 2, Math.E]); * * x.log().print(); // or tf.log(x) * ``` * @param x The input tensor. * * @doc {heading: 'Operations', subheading: 'Basic math'} */ function log_(x) { const $x = convertToTensor(x, 'x', 'log', 'float32'); const inputs = { x: $x }; return ENGINE.runKernel(Log, inputs); } export const log = /* @__PURE__ */ op({ log_ }); //# sourceMappingURL=data:application/json;base64,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