"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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/**
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* @license
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* Copyright 2018 Google Inc. 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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var engine_1 = require("../engine");
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/**
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* Used for wrapping functions that perform math operations on
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* Tensors. The function will be wrapped in a named scope that cleans all
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* memory usage after the function is done.
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*/
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function op(f) {
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var keys = Object.keys(f);
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if (keys.length !== 1) {
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throw new Error("Please provide an object with a single key " +
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"(operation name) mapping to a function. Got an object with " +
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(keys.length + " keys."));
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}
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var opName = keys[0];
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var fn = f[opName];
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// Strip the underscore from the end of the function name.
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if (opName.endsWith('_')) {
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opName = opName.substring(0, opName.length - 1);
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}
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// tslint:disable-next-line:no-any
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var f2 = function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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engine_1.ENGINE.startScope(opName);
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try {
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var result = fn.apply(void 0, args);
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if (result instanceof Promise) {
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console.error('Cannot return a Promise inside of tidy.');
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}
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engine_1.ENGINE.endScope(result);
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return result;
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}
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catch (ex) {
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engine_1.ENGINE.endScope(null);
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throw ex;
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}
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};
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Object.defineProperty(f2, 'name', { value: opName, configurable: true });
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// tslint:disable-next-line:no-any
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return f2;
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}
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exports.op = op;
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//# sourceMappingURL=operation.js.map
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