bitset/dist/bitset.min.js

A performance optimized infinite bit vector library

/*
BitSet v5.2.3 10/9/2024
https://raw.org/article/javascript-bit-array/

Copyright (c) 2024, Robert Eisele (https://raw.org/)
Licensed under the MIT license.
*/
'use strict';(function(q){function p(a){a-=a>>>1&1431655765;a=(a&858993459)+(a>>>2&858993459);return 16843009*(a+(a>>>4)&252645135)>>>24}function r(a,b){for(var c=0,d=0;d<a.length;d++){c*=2;var e=(a[d]+c)/b|0;c=(a[d]+c)%b;a[d]=e}return c}function n(a,b){if(null==b)a.data=[0,0,0,0,0,0,0,0,0,0],a._=0;else if(b instanceof g)a.data=b.data,a._=b._;else switch(typeof b){case "number":a.data=[b|0];a._=0;break;case "string":var c=2,d=32;0===b.indexOf("0b")?b=b.substr(2):0===b.indexOf("0x")&&(b=b.substr(2),
c=16,d=8);a.data=[];a._=0;var e=b.length-d,f=b.length;do{var h=parseInt(b.slice(0<e?e:0,f),c);if(isNaN(h))throw SyntaxError("Invalid param");a.data.push(h|0);if(0>=e)break;e-=d;f-=d}while(1);break;default:if(a.data=[0],c=a.data,b instanceof Array)for(d=b.length-1;0<=d;d--)e=b[d],Infinity===e?a._=-1:(m(a,e),c[e>>>5]|=1<<e);else if(Uint8Array&&b instanceof Uint8Array)for(m(a,8*b.length),d=0;d<b.length;d++)for(a=b[d],e=0;8>e;e++)f=8*d+e,c[f>>>5]|=(a>>e&1)<<f;else throw SyntaxError("Invalid param");}}
function g(a){if(!(this instanceof g))return new g(a);n(this,a);this.data=this.data.slice()}function m(a,b){b>>>=5;var c=a.data;a=a._;for(var d=c.length;b>=d;b--)c.push(a)}var l={data:[],_:0};g.prototype={data:[],_:0,set:function(a,b){a|=0;m(this,a);this.data[a>>>5]=void 0===b||b?this.data[a>>>5]|1<<a:this.data[a>>>5]&~(1<<a);return this},get:function(a){a|=0;var b=this.data,c=a>>>5;return c>=b.length?this._&1:b[c]>>>a&1},not:function(){for(var a=this.clone(),b=a.data,c=0;c<b.length;c++)b[c]=~b[c];
a._=~a._;return a},and:function(a){n(l,a);a=this.clone();var b=a.data,c=l.data,d=c.length,e=l._;0!==a._&&m(a,32*d-1);var f=b.length;d=Math.min(d,f);for(var h=0;h<d;h++)b[h]&=c[h];for(;h<f;h++)b[h]&=e;a._&=e;return a},or:function(a){n(l,a);a=this.clone();for(var b=a.data,c=l.data,d=c.length-1,e=Math.min(b.length-1,d);d>e;d--)b[d]=c[d];for(;0<=d;d--)b[d]|=c[d];a._|=l._;return a},xor:function(a){n(l,a);a=this.clone();var b=a.data,c=l.data,d=a._,e=l._,f,h=b.length-1,k=c.length-1;for(f=h;f>k;f--)b[f]^=
e;for(f=k;f>h;f--)b[f]=d^c[f];for(;0<=f;f--)b[f]^=c[f];a._^=e;return a},andNot:function(a){return this.and((new g(a)).flip())},flip:function(a,b){if(void 0===a){b=this.data;for(a=0;a<b.length;a++)b[a]=~b[a];this._=~this._}else if(void 0===b)m(this,a),this.data[a>>>5]^=1<<a;else if(0<=a&&a<=b)for(m(this,b);a<=b;a++)this.data[a>>>5]^=1<<a;return this},clear:function(a,b){var c=this.data;if(void 0===a){for(a=c.length-1;0<=a;a--)c[a]=0;this._=0}else if(void 0===b)a|=0,m(this,a),c[a>>>5]&=~(1<<a);else if(a<=
b)for(m(this,b);a<=b;a++)c[a>>>5]&=~(1<<a);return this},slice:function(a,b){if(void 0===a)return this.clone();if(void 0===b){b=32*this.data.length;var c=Object.create(g.prototype);c._=this._;c.data=[0];for(var d=a;d<=b;d++)c.set(d-a,this.get(d));return c}if(a<=b&&0<=a){c=Object.create(g.prototype);c.data=[0];for(d=a;d<=b;d++)c.set(d-a,this.get(d));return c}return null},setRange:function(a,b,c){for(;a<=b;a++)this.set(a,c);return this},clone:function(){var a=Object.create(g.prototype);a.data=this.data.slice();
a._=this._;return a},toArray:Math.clz32?function(){for(var a=[],b=this.data,c=b.length-1;0<=c;c--)for(var d=b[c];0!==d;){var e=31-Math.clz32(d);d^=1<<e;a.unshift(32*c+e)}0!==this._&&a.push(Infinity);return a}:function(){for(var a=[],b=this.data,c=0;c<b.length;c++)for(var d=b[c];0!==d;){var e=d&-d;d^=e;a.push(32*c+p(e-1))}0!==this._&&a.push(Infinity);return a},toString:function(a){var b=this.data;a||=2;if(0===(a&a-1)&&36>a){for(var c="",d=2+Math.log(4294967295)/Math.log(a)|0,e=b.length-1;0<=e;e--){var f=
b[e];0>f&&(f+=4294967296);f=f.toString(a);""!==c&&(c+="0".repeat(d-f.length-1));c+=f}return 0===this._?(c=c.replace(/^0+/,""),""===c&&(c="0"),c):("1111"+c).replace(/^1+/,"...1111")}if(2>a||36<a)throw SyntaxError("Invalid base");c=[];d=[];for(e=b.length;e--;)for(f=32;f--;)d.push(b[e]>>>f&1);do c.unshift(r(d,a).toString(a));while(!d.every(function(h){return 0===h}));return c.join("")},isEmpty:function(){if(0!==this._)return!1;for(var a=this.data,b=a.length-1;0<=b;b--)if(0!==a[b])return!1;return!0},
cardinality:function(){if(0!==this._)return Infinity;for(var a=0,b=this.data,c=0;c<b.length;c++){var d=b[c];0!==d&&(a+=p(d))}return a},msb:Math.clz32?function(){if(0!==this._)return Infinity;for(var a=this.data,b=a.length;0<b--;){var c=Math.clz32(a[b]);if(32!==c)return 32*b+32-1-c}return Infinity}:function(){if(0!==this._)return Infinity;for(var a=this.data,b=a.length;0<b--;){var c=a[b],d=0;if(c){for(;0<(c>>>=1);d++);return 32*b+d}}return Infinity},ntz:function(){for(var a=this.data,b=0;b<a.length;b++){var c=
a[b];if(0!==c)return c=(c^c-1)>>>1,32*b+p(c)}return Infinity},lsb:function(){for(var a=this.data,b=0;b<a.length;b++){var c=a[b],d=0;if(c){for(a=c&-c;a>>>=1;d++);return 32*b+d}}return this._&1},equals:function(a){n(l,a);a=this.data;var b=l.data,c=this._,d=l._,e=a.length-1,f=b.length-1;if(d!==c)return!1;for(var h=e<f?e:f,k=0;k<=h;k++)if(a[k]!==b[k])return!1;for(k=e;k>f;k--)if(a[k]!==d)return!1;for(k=f;k>e;k--)if(b[k]!==c)return!1;return!0},[Symbol.iterator]:function(){var a=this.data,b=0;if(0===this._){for(var c=
0,d=a.length-1;0<=d;d--)if(0!==a[d]){c=d;break}return{next:function(){var e=b>>>5;return{done:e>c||e===c&&0===a[e]>>>b,value:e>c?0:a[e]>>>b++&1}}}}return{next:function(){var e=b>>>5;return{done:!1,value:e<a.length?a[e]>>>b++&1:1}}}}};g.fromBinaryString=function(a){return new g("0b"+a)};g.fromHexString=function(a){return new g("0x"+a)};g.Random=function(a){if(void 0===a||0>a)a=32;var b=a%32,c=[];a=Math.ceil(a/32);for(var d=Object.create(g.prototype),e=0;e<a;e++)c.push(4294967296*Math.random()|0);0<
b&&(c[a-1]&=(1<<b)-1);d.data=c;d._=0;return d};"function"===typeof define&&define.amd?define([],function(){return g}):"object"===typeof exports?(Object.defineProperty(g,"__esModule",{value:!0}),g["default"]=g,g.BitSet=g,module.exports=g):q.BitSet=g})(this);