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package fun;
import java.io.PrintStream;
import shared.Parse;
import shared.Parser;
import shared.PreParser;
import shared.Shared;
import shared.Timer;
import shared.Tools;
import tracker.ReadStats;
public class Calc {
/*--------------------------------------------------------------*/
/*---------------- Initialization ----------------*/
/*--------------------------------------------------------------*/
/**
* Code entrance from the command line.
* @param args Command line arguments
*/
public static void main(String[] args){
Timer t=new Timer();
Calc x=new Calc(args);
x.process(t);
//Close the print stream if it was redirected
Shared.closeStream(x.outstream);
}
/**
* Constructor.
* @param args Command line arguments
*/
public Calc(String[] args){
{//Preparse block for help, config files, and outstream
PreParser pp=new PreParser(args, getClass(), false);
args=pp.args;
outstream=pp.outstream;
}
//Create a parser object
Parser parser=new Parser();
//Parse each argument
for(int i=0; i<args.length; i++){
String arg=args[i];
//Break arguments into their constituent parts, in the form of "a=b"
String[] split=arg.split("=");
String a=split[0].toLowerCase();
String b=split.length>1 ? split[1] : null;
if(a.equals("verbose")){
verbose=Parse.parseBoolean(b);
}else if(a.equals("parse_flag_goes_here")){
long fake_variable=Parse.parseKMG(b);
//Set a variable here
}else if(a.equals("num") || a.equals("numstats")){
numStats=Integer.parseInt(b);
}else if(parser.parse(arg, a, b)){//Parse standard flags in the parser
//do nothing
}else{
outstream.println("Unknown parameter "+args[i]);
assert(false) : "Unknown parameter "+args[i];
}
}
{//Process parser fields
overwrite=ReadStats.overwrite=parser.overwrite;
append=ReadStats.append=parser.append;
out1=parser.out1;
}
}
/*--------------------------------------------------------------*/
/*---------------- Outer Methods ----------------*/
/*--------------------------------------------------------------*/
/** Create read streams and process all data */
void process(Timer t){
//Process the read stream
processInner(numStats);
if(verbose){outstream.println("Finished; closing streams.");}
//Report timing and results
{
t.stop();
outstream.println("Time: \t"+t);
}
//Throw an exception of there was an error in a thread
if(errorState){
throw new RuntimeException(getClass().getName()+" terminated in an error state; the output may be corrupt.");
}
}
/** Iterate through the reads */
void processInner(int numStats){
int bits=numStats*5;
final int iters=1<<bits;
final int buckets=1+31*numStats;
int[] counts=new int[buckets];
for(int i=0; i<iters; i++){
counts[sum(i)]++;
}
int[] cumulative=new int[buckets];
cumulative[0]=counts[0];
for(int i=1; i<buckets; i++){
cumulative[i]=cumulative[i-1]+counts[i];
}
//StringBuilder sb=new StringBuilder();
final double mult=100.0/iters;
for(int i=0; i<buckets; i++){
String s=(Tools.format("%d\t%.4f%%\n", i, cumulative[i]*mult));
System.out.print(s);
}
}
int sum(int stats){
int sum=0;
while(stats>0){
sum+=(stats&0x1F);
stats>>>=5;
}
return sum;
}
/*--------------------------------------------------------------*/
/*---------------- Inner Methods ----------------*/
/*--------------------------------------------------------------*/
/*--------------------------------------------------------------*/
/*---------------- Fields ----------------*/
/*--------------------------------------------------------------*/
/** Primary output file path */
private String out1="stdout.txt";
private int numStats=6;
/*--------------------------------------------------------------*/
/*---------------- Common Fields ----------------*/
/*--------------------------------------------------------------*/
/** Print status messages to this output stream */
private PrintStream outstream=System.err;
/** Print verbose messages */
public static boolean verbose=false;
/** True if an error was encountered */
public boolean errorState=false;
/** Overwrite existing output files */
private boolean overwrite=true;
/** Append to existing output files */
private boolean append=false;
}
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