chore: update to version 14.0.11 and align website URLs

2026-04-27 15:08:00 +00:00 · 2026-01-11 11:34:13 +03:00
parent ef74383349
commit 19c8d69bd8
1499 changed files with 53633 additions and 89 deletions
@@ -0,0 +1,38 @@
+import { BN } from './bn.js';
+import { BN_MAX_INTEGER, BN_ONE, BN_SQRT_MAX_INTEGER } from './consts.js';
+import { bnToBn } from './toBn.js';
+/**
+ * @name bnSqrt
+ * @summary Calculates the integer square root of a BN
+ * @example
+ * <BR>
+ *
+ * ```javascript
+ * import BN from 'bn.js';
+ * import { bnSqrt } from '@pezkuwi/util';
+ *
+ * bnSqrt(new BN(16)).toString(); // => '4'
+ * ```
+ */
+export function bnSqrt(value) {
+    const n = bnToBn(value);
+    if (n.isNeg()) {
+        throw new Error('square root of negative numbers is not supported');
+    }
+    // https://stackoverflow.com/questions/53683995/javascript-big-integer-square-root/
+    // shortcut <= 2^53 - 1 to use the JS utils
+    if (n.lte(BN_MAX_INTEGER)) {
+        // ~~ More performant version of Math.floor
+        return new BN(~~Math.sqrt(n.toNumber()));
+    }
+    // Use sqrt(MAX_SAFE_INTEGER) as starting point. since we already know the
+    // output will be larger than this, we expect this to be a safe start
+    let x0 = BN_SQRT_MAX_INTEGER.clone();
+    while (true) {
+        const x1 = n.div(x0).iadd(x0).ishrn(1);
+        if (x0.eq(x1) || x0.eq(x1.sub(BN_ONE))) {
+            return x0;
+        }
+        x0 = x1;
+    }
+}