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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Random = void 0;
const pure_rand_1 = require("pure-rand");
class Random {
constructor(sourceRng) {
this.internalRng = sourceRng.clone();
}
clone() {
return new Random(this.internalRng);
}
next(bits) {
return (0, pure_rand_1.unsafeUniformIntDistribution)(0, (1 << bits) - 1, this.internalRng);
}
nextBoolean() {
return (0, pure_rand_1.unsafeUniformIntDistribution)(0, 1, this.internalRng) == 1;
}
nextInt(min, max) {
return (0, pure_rand_1.unsafeUniformIntDistribution)(min == null ? Random.MIN_INT : min, max == null ? Random.MAX_INT : max, this.internalRng);
}
nextBigInt(min, max) {
return (0, pure_rand_1.unsafeUniformBigIntDistribution)(min, max, this.internalRng);
}
nextArrayInt(min, max) {
return (0, pure_rand_1.unsafeUniformArrayIntDistribution)(min, max, this.internalRng);
}
nextDouble() {
const a = this.next(26);
const b = this.next(27);
return (a * Random.DBL_FACTOR + b) * Random.DBL_DIVISOR;
}
getState() {
if ('getState' in this.internalRng && typeof this.internalRng.getState === 'function') {
return this.internalRng.getState();
}
return undefined;
}
}
exports.Random = Random;
Random.MIN_INT = 0x80000000 | 0;
Random.MAX_INT = 0x7fffffff | 0;
Random.DBL_FACTOR = Math.pow(2, 27);
Random.DBL_DIVISOR = Math.pow(2, -53);
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