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package fj.function;
import fj.F;
import fj.F2;
import fj.Monoid;
import fj.data.List;
import static fj.Function.curry;
import java.math.BigInteger;
/**
* Curried functions over Integers.
*
* @version %build.number%
*/
public final class BigIntegers {
private BigIntegers() {
throw new UnsupportedOperationException();
}
/**
* Curried Integer addition.
*/
public static final F<BigInteger, F<BigInteger, BigInteger>> add =
curry((F2<BigInteger, BigInteger, BigInteger>) BigInteger::add);
/**
* Curried Integer multiplication.
*/
public static final F<BigInteger, F<BigInteger, BigInteger>> multiply =
curry(BigInteger::multiply);
/**
* Curried Integer subtraction.
*/
public static final F<BigInteger, F<BigInteger, BigInteger>> subtract =
curry((F2<BigInteger, BigInteger, BigInteger>) BigInteger::subtract);
/**
* Negation.
*/
public static final F<BigInteger, BigInteger> negate = BigInteger::negate;
/**
* Absolute value.
*/
public static final F<BigInteger, BigInteger> abs = BigInteger::abs;
/**
* Remainder.
*/
public static final F<BigInteger, F<BigInteger, BigInteger>> remainder =
curry(BigInteger::remainder);
/**
* Power.
*/
public static final F<BigInteger, F<Integer, BigInteger>> power = curry(BigInteger::pow);
/**
* Sums a list of big integers.
*
* @param ints A list of big integers to sum.
* @return The sum of the big integers in the list.
*/
public static BigInteger sum(final List<BigInteger> ints) {
return Monoid.bigintAdditionMonoid.sumLeft(ints);
}
/**
* Returns the product of a list of big integers.
*
* @param ints A list of big integers to multiply together.
* @return The product of the big integers in the list.
*/
public static BigInteger product(final List<BigInteger> ints) {
return Monoid.bigintMultiplicationMonoid.sumLeft(ints);
}
}