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Add abnormal case check to clusteredCellsDensity

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Returns false if more than one third of the grid is selected, treating it as an abnormal case. Also updates VERSIONINFO to 1.0.4.
This commit is contained in:
Namhyeon Go 2025-08-25 01:39:42 +09:00
parent d443f6270c
commit 78ab8d839f
1 changed files with 9 additions and 1 deletions
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10
lib/extramath.js
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@ -89,6 +89,14 @@ function clusteredCellsDensity(numbers, size, minDensity) {
coords.push({ x: idx % size, y: Math.floor(idx / size) });
}
// --- Additional rule: if more than 1/3 of the entire grid is selected,
// treat it as an abnormal case and return false immediately.
var globalRatio = coords.length / (size * size);
if (globalRatio > (1/3)) {
return false;
}
// --- Normal density calculation based on bounding box ---
var xs = coords.map(function (c) { return c.x; });
var ys = coords.map(function (c) { return c.y; });
@ -135,7 +143,7 @@ exports.cartesianProduct = cartesianProduct;
exports.clusteredCellsDensity = clusteredCellsDensity;
exports.estimateTileStartPosition = estimateTileStartPosition;
exports.VERSIONINFO = "ExtraMath module (extramath.js) version 1.0.3";
exports.VERSIONINFO = "ExtraMath module (extramath.js) version 1.0.4";
exports.AUTHOR = "gnh1201@catswords.re.kr";
exports.global = global;
exports.require = global.require;