"use strict";
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/**
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* @license
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* Copyright 2017 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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Object.defineProperty(exports, "__esModule", { value: true });
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var broadcast_util = require("../../ops/broadcast_util");
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var BatchNormProgram = /** @class */ (function () {
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function BatchNormProgram(xShape, meanShape, varianceShape, offsetShape, scaleShape, varianceEpsilon) {
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this.outputShape = [];
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this.variableNames = ['x', 'mean', 'variance'];
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broadcast_util.assertAndGetBroadcastShape(xShape, meanShape);
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broadcast_util.assertAndGetBroadcastShape(xShape, varianceShape);
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var offsetSnippet = '0.0';
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if (offsetShape != null) {
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broadcast_util.assertAndGetBroadcastShape(xShape, offsetShape);
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this.variableNames.push('offset');
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offsetSnippet = 'getOffsetAtOutCoords()';
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}
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var scaleSnippet = '1.0';
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if (scaleShape != null) {
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broadcast_util.assertAndGetBroadcastShape(xShape, scaleShape);
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this.variableNames.push('scale');
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scaleSnippet = 'getScaleAtOutCoords()';
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}
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this.outputShape = xShape;
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this.userCode = "\n void main() {\n float x = getXAtOutCoords();\n float mean = getMeanAtOutCoords();\n float variance = getVarianceAtOutCoords();\n float offset = " + offsetSnippet + ";\n float scale = " + scaleSnippet + ";\n float inv = scale * inversesqrt(variance + float(" + varianceEpsilon + "));\n setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n }\n ";
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}
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return BatchNormProgram;
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}());
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exports.BatchNormProgram = BatchNormProgram;
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//# sourceMappingURL=batchnorm_gpu.js.map
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