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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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Task/Monte-Carlo-methods/Java/monte-carlo-methods-1.java Normal file
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public class MC {
public static void main(String[] args) {
System.out.println(getPi(10000));
System.out.println(getPi(100000));
System.out.println(getPi(1000000));
System.out.println(getPi(10000000));
System.out.println(getPi(100000000));
}
public static double getPi(int numThrows){
int inCircle= 0;
for(int i= 0;i < numThrows;i++){
//a square with a side of length 2 centered at 0 has
//x and y range of -1 to 1
double randX= (Math.random() * 2) - 1;//range -1 to 1
double randY= (Math.random() * 2) - 1;//range -1 to 1
//distance from (0,0) = sqrt((x-0)^2+(y-0)^2)
double dist= Math.sqrt(randX * randX + randY * randY);
//^ or in Java 1.5+: double dist= Math.hypot(randX, randY);
if(dist < 1){//circle with diameter of 2 has radius of 1
inCircle++;
}
}
return 4.0 * inCircle / numThrows;
}
}