Sha256: 00b5c84bce0fb70d872b8d407160d21589b2d566de10fd0a3f622a2498b344e3
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Versions: 255
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Stored size: 1.1 KB
Contents
'use strict';
module.exports = Triplet;
function Triplet(a, b, c) {
this.a = a;
this.b = b;
this.c = c;
}
function Triplets(conditions) {
this.min = conditions.minFactor || 1;
this.max = conditions.maxFactor;
this.sum = conditions.sum;
}
Triplet.prototype.isPythagorean = function () {
return this.a*this.a + this.b*this.b === this.c*this.c;
};
Triplet.prototype.product = function () {
return this.a * this.b * this.c;
};
Triplet.prototype.sum = function () {
return this.a + this.b + this.c;
};
Triplet.where = function (conditions) {
return new Triplets(conditions).toArray();
};
Triplets.prototype.isDesired = function (triplet) {
return triplet.isPythagorean() && (!this.sum || triplet.sum() === this.sum);
};
Triplets.prototype.toArray = function () {
var triplet, triplets = [];
for (var a = this.min; a < this.max - 1; a++) {
for (var b = a + 1; b < this.max; b++) {
for (var c = b + 1; c <= this.max; c++) {
triplet = new Triplet(a, b, c);
if (this.isDesired(triplet)) {
triplets.push(triplet);
}
}
}
}
return triplets;
};
Version data entries
255 entries across 255 versions & 1 rubygems