/**
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* @license
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* Copyright 2020 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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import {KernelConfig, OneHot, OneHotAttrs, OneHotInputs, scalar} from '@tensorflow/tfjs';
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import {createTensorsTypeOpAttr, NodeJSKernelBackend} from '../nodejs_kernel_backend';
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export const oneHotConfig: KernelConfig = {
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kernelName: OneHot,
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backendName: 'tensorflow',
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kernelFunc: (args) => {
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const {indices} = args.inputs as OneHotInputs;
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const backend = args.backend as NodeJSKernelBackend;
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const {dtype, depth, onValue, offValue} =
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args.attrs as unknown as OneHotAttrs;
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const depthTensor = scalar(depth, 'int32');
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const onValueTensor = scalar(onValue, dtype);
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const offValueTensor = scalar(offValue, dtype);
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const opAttrs = [
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{name: 'axis', type: backend.binding.TF_ATTR_INT, value: -1},
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createTensorsTypeOpAttr('T', dtype),
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createTensorsTypeOpAttr('TI', indices.dtype)
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];
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const res = backend.executeSingleOutput(
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OneHot, opAttrs, [indices, depthTensor, onValueTensor, offValueTensor]);
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depthTensor.dispose();
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onValueTensor.dispose();
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offValueTensor.dispose();
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return res;
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}
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};
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