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Current Path: /lib/node_modules/npm/node_modules/qrcode-terminal/vendor/QRCode

lib / node_modules / npm / node_modules / qrcode-terminal / vendor / QRCode /

?? ..
?? QR8bitByte.js(382 B)
?? QRBitBuffer.js(702 B)
?? QRErrorCorrectLevel.js(54 B)
?? QRMaskPattern.js(157 B)
?? QRMath.js(673 B)
?? QRMode.js(149 B)
?? QRPolynomial.js(1.3 KB)
?? QRRSBlock.js(5.43 KB)
?? QRUtil.js(8.03 KB)
?? index.js(10.42 KB)

Editing: QRPolynomial.js

var QRMath = require('./QRMath');

function QRPolynomial(num, shift) {
	if (num.length === undefined) {
		throw new Error(num.length + "/" + shift);
	}

var offset = 0;

while (offset < num.length && num[offset] === 0) {
		offset++;
	}

this.num = new Array(num.length - offset + shift);
	for (var i = 0; i < num.length - offset; i++) {
		this.num[i] = num[i + offset];
	}
}

QRPolynomial.prototype = {

get : function(index) {
		return this.num[index];
	},
	
	getLength : function() {
		return this.num.length;
	},
	
	multiply : function(e) {
	
		var num = new Array(this.getLength() + e.getLength() - 1);
	
		for (var i = 0; i < this.getLength(); i++) {
			for (var j = 0; j < e.getLength(); j++) {
				num[i + j] ^= QRMath.gexp(QRMath.glog(this.get(i) ) + QRMath.glog(e.get(j) ) );
			}
		}
	
		return new QRPolynomial(num, 0);
	},
	
	mod : function(e) {
	
		if (this.getLength() - e.getLength() < 0) {
			return this;
		}
	
		var ratio = QRMath.glog(this.get(0) ) - QRMath.glog(e.get(0) );
	
		var num = new Array(this.getLength() );
		
		for (var i = 0; i < this.getLength(); i++) {
			num[i] = this.get(i);
		}
		
		for (var x = 0; x < e.getLength(); x++) {
			num[x] ^= QRMath.gexp(QRMath.glog(e.get(x) ) + ratio);
		}
	
		// recursive call
		return new QRPolynomial(num, 0).mod(e);
	}
};

module.exports = QRPolynomial;

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Editing: QRPolynomial.js

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