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backend/node_modules/fast-check/lib/random/generator/Random.js

@@ -0,0 +1,43 @@
+"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);