Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/local/lib/node_modules/npm/node_modules/qrcode-terminal/vendor/QRCode/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

var QRMath = {

	glog : function(n) {
	
		if (n < 1) {
			throw new Error("glog(" + n + ")");
		}
		
		return QRMath.LOG_TABLE[n];
	},
	
	gexp : function(n) {
	
		while (n < 0) {
			n += 255;
		}
	
		while (n >= 256) {
			n -= 255;
		}
	
		return QRMath.EXP_TABLE[n];
	},
	
	EXP_TABLE : new Array(256),
	
	LOG_TABLE : new Array(256)

};
	
for (var i = 0; i < 8; i++) {
	QRMath.EXP_TABLE[i] = 1 << i;
}
for (var i = 8; i < 256; i++) {
	QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4]
		^ QRMath.EXP_TABLE[i - 5]
		^ QRMath.EXP_TABLE[i - 6]
		^ QRMath.EXP_TABLE[i - 8];
}
for (var i = 0; i < 255; i++) {
	QRMath.LOG_TABLE[QRMath.EXP_TABLE[i] ] = i;
}

module.exports = QRMath;