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import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
// Hopefully correct?
// Going off this: http://www.sengpielaudio.com/calculator-FactorRatioLevelDecibel.htm
// Application e.g. db display in Audacity's amplify effect
// (but which function is it?)
class main {
static double dbToPowerFactor(double db) {
return pow(10, db/20);
}
static double pow(double a, double b) {
return Math.pow(a, b);
}
static float pow(float a, float b) {
return (float) Math.pow(a, b);
}
static BigInteger pow(BigInteger a, int b) {
return a.pow(b);
}
}