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G.java
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G.java
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public class G
{
public static final int PEG = 0;
public static final int GALLAGER = 1;
public static final int MODGALLAGER = 2; // modified gallager algorithm
public static boolean silent = false; // verbose output
public static int MAXDEGREE = 25; // maximum node degree
public static boolean generateRandomH = false; // if false, the same H matrix will be generated in every run
public static int RAND_SEED = 13; // even when H deterministically generated, you can change the seed to get different H
public static int MAX_DEPTH = 10; // minimum acceptable girth - needed (for large N) to terminate PEG algorithm
public static boolean COL_EXPORT_MODE = true; // save the H file in Matlab row,col format or col,row format
public static int MAX_ITERATIONS = 20; // decoder iterations before giving up
public static String LOG_PREFIX = "..\\Logs\\Log-";
public static String LOG_SUFFIX = ".csv";
public static int activityNumber = 0;
public static int MAX_ARQ = 10;
public static boolean ARQ_MODE = true;
public static double ROUNDOFF_ERROR = 0.001;
public static int PRECISION = 10000;
public static double round (double d)
{
int tmp = (int) (d*PRECISION + 0.5);
return (double) tmp/ PRECISION;
}
public static void trace (String str)
{
if (!silent)
System.out.print(str);
}
public static void traceln (String str)
{
if (!silent)
System.out.println(str);
}
public static void traceln ()
{
if (!silent)
System.out.println();
}
public static void itrace (String str)
{
System.out.print(str);
}
public static void itraceln (String str)
{
System.out.println(str);
}
public static void itraceln ()
{
System.out.println();
}
/**
* Activity indicator :
* For long running programs, keeps the console active, to reassure user that
* the program has not frozen !
*/
public static void activity()
{
if (!silent)
return;
//System.out.print(activityNumber%10);
System.out.print(".");
activityNumber++;
if ((activityNumber+1)%12==0)
{
System.out.println();
activityNumber=0;
}
}
}