Package de.tilman_neumann.jml.powers

Class Pow

java.lang.Object

de.tilman_neumann.jml.powers.Pow

public class Pow
extends Object

Constructor Summary

Constructors

Constructor	Description
Pow()

Method Summary

Modifier and Type	Method	Description
static BigDecimal	pow(BigDecimal x, int n, Scale resultScale)
static BigDecimal	pow(BigDecimal x, BigInteger n, Precision prec)	Power function for large integer exponents (also negative)
static BigDecimal	powJavaTrunc(BigDecimal x, int n, Precision resultPrecision)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Pow

public Pow()

Method Detail

pow

public static BigDecimal pow(BigDecimal x,
                             BigInteger n,
                             Precision prec)

Power function for large integer exponents (also negative)

Parameters:

x - Basis

n - Exponent

prec - output precision in leading decimal digits

Returns:

x^n

pow

public static BigDecimal pow(BigDecimal x,
                             int n,
                             Scale resultScale)

powJavaTrunc

public static BigDecimal powJavaTrunc(BigDecimal x,
                                      int n,
                                      Precision resultPrecision)