bn.js - npm Package Compare versions

Comparing version 2.0.3 to 2.0.4

lib/bn.js

@@ -64,3 +64,3 @@ (function (module, exports) {
       this.length = 1;
-    } else {
+    } else if (number < 0x10000000000000) {
       this.words = [
@@ -71,2 +71,10 @@ number & 0x3ffffff,
       this.length = 2;
+    } else {
+      assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
+      this.words = [
+        number & 0x3ffffff,
+        (number / 0x4000000) & 0x3ffffff,
+        1
+      ];
+      this.length = 3;
     }
@@ -73,0 +81,0 @@ return;

package.json

 {
   "name": "bn.js",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "description": "Big number implementation in pure javascript",
@@ -5,0 +5,0 @@ "main": "lib/bn.js",

test/constructor-test.js

@@ -14,2 +14,18 @@ var assert = require('assert');
     });
+
+    it('should accept 52 bits of precision', function() {
+      var num = Math.pow(2, 52);
+      assert.equal(new BN(num, 10).toString(10), num.toString(10));
+    });
+
+    it('should accept max safe integer', function() {
+      var num = Math.pow(2, 53) - 1;
+      assert.equal(new BN(num, 10).toString(10), num.toString(10));
+    });
+
+    it('should not accept an unsafe integer', function() {
+      var num = Math.pow(2, 53);
+      assert.throws(function() { new BN(num, 10); });
+    });
+
   });
@@ -16,0 +32,0 @@

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Improved metrics

Total package byte prevSize

211465

increased by94.37%

Number of package files

15

increased by7.14%

Lines of code

2997

increased by0.67%

No dependency changes