datamask.js

function DataMask000(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){return 0==(a+t&1)}}function DataMask001(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a){return 0==(1&a)}}function DataMask010(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){return t%3==0}}function DataMask011(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){return(a+t)%3==0}}function DataMask100(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){return 0==(URShift(a,1)+t/3&1)}}function DataMask101(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){var i=a*t;return(1&i)+i%3==0}}function DataMask110(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){var i=a*t;return 0==((1&i)+i%3&1)}}function DataMask111(){this.unmaskBitMatrix=function(a,t){for(var i=0;t>i;i++)for(var s=0;t>s;s++)this.isMasked(i,s)&&a.flip(s,i)},this.isMasked=function(a,t){return 0==((a+t&1)+a*t%3&1)}}DataMask={},DataMask.forReference=function(a){if(0>a||a>7)throw"System.ArgumentException";return DataMask.DATA_MASKS[a]},DataMask.DATA_MASKS=new Array(new DataMask000,new DataMask001,new DataMask010,new DataMask011,new DataMask100,new DataMask101,new DataMask110,new DataMask111);