"use strict";
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/**
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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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Object.defineProperty(exports, "__esModule", { value: true });
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var backend_util = require("../../../backends/backend_util");
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var util = require("../../../util");
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function broadcastedBinaryOp(aShape, bShape, aVals, bVals, dtype, op) {
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var newShape = backend_util.assertAndGetBroadcastShape(aShape, bShape);
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var resultRank = newShape.length;
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var resultStrides = util.computeStrides(newShape);
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var resultSize = util.sizeFromShape(newShape);
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var result = util.getTypedArrayFromDType(dtype, resultSize);
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var aRank = aShape.length;
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var bRank = bShape.length;
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var aStrides = util.computeStrides(aShape);
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var bStrides = util.computeStrides(bShape);
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var aBroadcastDims = backend_util.getBroadcastDims(aShape, newShape);
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var bBroadcastDims = backend_util.getBroadcastDims(bShape, newShape);
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if (aBroadcastDims.length + bBroadcastDims.length === 0) {
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for (var i = 0; i < result.length; ++i) {
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result[i] = op(aVals[i % aVals.length], bVals[i % bVals.length]);
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}
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}
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else {
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var _loop_1 = function (i) {
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var loc = util.indexToLoc(i, resultRank, resultStrides);
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var aLoc = loc.slice(-aRank);
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aBroadcastDims.forEach(function (d) { return aLoc[d] = 0; });
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var aIndex = util.locToIndex(aLoc, aRank, aStrides);
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var bLoc = loc.slice(-bRank);
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bBroadcastDims.forEach(function (d) { return bLoc[d] = 0; });
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var bIndex = util.locToIndex(bLoc, bRank, bStrides);
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result[i] = op(aVals[aIndex], bVals[bIndex]);
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};
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for (var i = 0; i < result.length; ++i) {
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_loop_1(i);
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}
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}
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return [result, newShape];
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}
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exports.broadcastedBinaryOp = broadcastedBinaryOp;
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//# sourceMappingURL=kernel_utils.js.map
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