@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
48 lines • 2.06 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 TransposeProgram = /** @class */ (function () {
function TransposeProgram(aShape, newDim) {
this.variableNames = ['A'];
var outputShape = new Array(aShape.length);
for (var i = 0; i < outputShape.length; i++) {
outputShape[i] = aShape[newDim[i]];
}
this.outputShape = outputShape;
this.rank = outputShape.length;
var dtype = shader_compiler_1.getCoordsDataType(this.rank);
var switched = getSwitchedCoords(newDim);
this.userCode = "\n void main() {\n " + dtype + " resRC = getOutputCoords();\n setOutput(getA(" + switched + "));\n }\n ";
}
return TransposeProgram;
}());
exports.TransposeProgram = TransposeProgram;
function getSwitchedCoords(newDim) {
var rank = newDim.length;
if (rank > 6) {
throw Error("Transpose for rank " + rank + " is not yet supported");
}
var originalOrder = ['resRC.x', 'resRC.y', 'resRC.z', 'resRC.w', 'resRC.u', 'resRC.v'];
var switchedCoords = new Array(rank);
for (var i = 0; i < newDim.length; i++) {
switchedCoords[newDim[i]] = originalOrder[i];
}
return switchedCoords.join();
}
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