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fix(quantizer_wsmeans): cluster distance isn't actually sorting as expected #164

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fix(quantizer_wsmeans): cluster distance isn't actually sorting as expected #164

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4 changes: 2 additions & 2 deletions typescript/quantize/quantizer_wsmeans.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ import {LabPointProvider} from './lab_point_provider.js';

const MAX_ITERATIONS = 10;
const MIN_MOVEMENT_DISTANCE = 3.0;

const INCREASE_ORDER_SORTER = (a:number, b:number) => a - b
/**
* An image quantizer that improves on the speed of a standard K-Means algorithm
* by implementing several optimizations, including deduping identical pixels
Expand Down Expand Up @@ -134,7 +134,7 @@ export class QuantizerWsmeans {
distanceToIndexMatrix[i][j].distance = distance;
distanceToIndexMatrix[i][j].index = j;
}
distanceToIndexMatrix[i].sort();
distanceToIndexMatrix[i].sort(INCREASE_ORDER_SORTER);
for (let j = 0; j < clusterCount; j++) {
indexMatrix[i][j] = distanceToIndexMatrix[i][j].index;
}
Expand Down