bn.js - npm Package Compare versions

Comparing version 4.5.2 to 4.6.0

package.json

 {
   "name": "bn.js",
-  "version": "4.5.2",
+  "version": "4.6.0",
   "description": "Big number implementation in pure javascript",
@@ -5,0 +5,0 @@ "main": "lib/bn.js",

README.md

@@ -97,2 +97,3 @@ # <img src="./logo.png" alt="bn.js" width="160" height="160" />
 * `a.bincn(b)` - add `1 << b` to the number
+* `a.notn(w)` - not (for the width specified by `w`) (`i`)
 
@@ -99,0 +100,0 @@ ### Reduction

test/binary-test.js

@@ -200,2 +200,26 @@ var assert = require('assert');
   });
+
+  describe('.notn()', function() {
+    it('should allow bitwise negation', function () {
+      assert.equal(new BN('111000111', 2).notn(9).toString(2),
+                   '111000');
+      assert.equal(new BN('000111000', 2).notn(9).toString(2),
+                   '111000111');
+      assert.equal(new BN('111000111', 2).notn(9).toString(2),
+                   '111000');
+      assert.equal(new BN('000111000', 2).notn(9).toString(2),
+                   '111000111');
+      assert.equal(new BN('111000111', 2).notn(32).toString(2),
+                   '11111111111111111111111000111000');
+      assert.equal(new BN('000111000', 2).notn(32).toString(2),
+                   '11111111111111111111111111000111');
+      assert.equal(new BN('111000111', 2).notn(68).toString(2),
+                   '11111111111111111111111111111111' +
+                   '111111111111111111111111111000111000');
+      assert.equal(new BN('000111000', 2).notn(68).toString(2),
+                   '11111111111111111111111111111111' +
+                   '111111111111111111111111111111000111');
+    });
+  });
+
 });

No alert changes

Improved metrics

Total package byte prevSize

168464

increased by1.14%

Lines of code

4804

increased by0.99%

Number of lines in readme file

206

increased by0.49%

No dependency changes