@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
38 lines • 2.46 kB
JavaScript
;
/**
* @license
* Copyright 2017 Google Inc. 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.
* =============================================================================
*/
Object.defineProperty(exports, "__esModule", { value: true });
var shader_compiler_1 = require("./shader_compiler");
var PadProgram = /** @class */ (function () {
function PadProgram(xShape, paddings, constantValue) {
this.variableNames = ['x'];
this.outputShape = paddings.map(function (p, i) { return p[0] /* beforePad */ + xShape[i] + p[1]; } /* afterPad */);
var rank = xShape.length;
var type = shader_compiler_1.getCoordsDataType(rank);
var start = paddings.map(function (p) { return p[0]; }).join(',');
var end = paddings.map(function (p, i) { return p[0] + xShape[i]; }).join(',');
var unpackedCoords = ['coords[0]', 'coords[1]', 'coords[2]', 'coords[3]'].slice(0, rank);
if (rank === 1) {
this.userCode = "\n int start = " + start + ";\n int end = " + end + ";\n\n void main() {\n int outC = getOutputCoords();\n if (outC < start || outC >= end) {\n setOutput(float(" + constantValue + "));\n } else {\n setOutput(getX(outC - start));\n }\n }\n ";
return;
}
this.userCode = "\n " + type + " start = " + type + "(" + start + ");\n " + type + " end = " + type + "(" + end + ");\n\n void main() {\n " + type + " outC = getOutputCoords();\n if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n setOutput(float(" + constantValue + "));\n } else {\n " + type + " coords = outC - start;\n setOutput(getX(" + unpackedCoords + "));\n }\n }\n ";
}
return PadProgram;
}());
exports.PadProgram = PadProgram;
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