"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 shader_compiler_1 = require("./shader_compiler");
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var StridedSliceProgram = /** @class */ (function () {
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function StridedSliceProgram(begin, strides, size) {
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this.variableNames = ['x'];
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this.outputShape = size;
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var rank = size.length;
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var inputDtype = shader_compiler_1.getCoordsDataType(size.length);
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var dtype = shader_compiler_1.getCoordsDataType(size.length);
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var newCoords = '';
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if (rank === 1) {
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newCoords = 'coords * strides + begin';
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}
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else {
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var outputAxis_1 = 0;
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newCoords =
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size.map(function (_, i) {
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outputAxis_1++;
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return size.length === 1 ?
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"coords * strides[" + i + "] + begin[" + i + "]" :
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"coords[" + (outputAxis_1 - 1) + "] * strides[" + i + "] + begin[" + i + "]";
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})
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.join(',');
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}
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this.userCode = "\n " + inputDtype + " begin = " + inputDtype + "(" + begin + ");\n " + inputDtype + " strides = " + inputDtype + "(" + strides + ");\n\n void main() {\n " + dtype + " coords = getOutputCoords();\n setOutput(getX(" + newCoords + "));\n }\n ";
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}
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return StridedSliceProgram;
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}());
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exports.StridedSliceProgram = StridedSliceProgram;
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//# sourceMappingURL=strided_slice_gpu.js.map
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