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Reverse.ts
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Reverse.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 {KernelConfig, Reverse, ReverseAttrs, ReverseInputs, tensor1d, util} from '@tensorflow/tfjs';
import {createTensorsTypeOpAttr, NodeJSKernelBackend} from '../nodejs_kernel_backend';
export const reverseConfig: KernelConfig = {
kernelName: Reverse,
backendName: 'tensorflow',
kernelFunc: (args) => {
const {x} = args.inputs as ReverseInputs;
const backend = args.backend as NodeJSKernelBackend;
const {dims} = args.attrs as unknown as ReverseAttrs;
const opAttrs = [
createTensorsTypeOpAttr('Tidx', 'int32'),
createTensorsTypeOpAttr('T', x.dtype)
];
const axes = util.parseAxisParam(dims, x.shape);
const axisTensor = tensor1d(axes, 'int32');
const res =
backend.executeSingleOutput('ReverseV2', opAttrs, [x, axisTensor]);
axisTensor.dispose();
return res;
}
};