cc.redberry.rings.poly.univar

Class RandomUnivariatePolynomials

java.lang.Object

cc.redberry.rings.poly.univar.RandomUnivariatePolynomials

public final class RandomUnivariatePolynomials
extends Object

Methods to generate random polynomials.

Since:

1.0

Method Summary

Modifier and Type	Method and Description
static <E> E[]	randomArray(int degree, Ring<E> ring, org.apache.commons.math3.random.RandomGenerator rnd) Creates random array of length degree + 1 with elements from the specified ring
static BigInteger[]	randomBigArray(int degree, BigInteger bound, org.apache.commons.math3.random.RandomGenerator rnd) Creates random array of length degree + 1 with elements bounded by bound (by absolute value).
static long[]	randomLongArray(int degree, long bound, org.apache.commons.math3.random.RandomGenerator rnd) Creates random array of length degree + 1 with elements bounded by bound (by absolute value).
static UnivariatePolynomial<BigInteger>	randomMonicPoly(int degree, BigInteger modulus, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree.
static UnivariatePolynomialZp64	randomMonicPoly(int degree, long modulus, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree.
static <E> UnivariatePolynomial<E>	randomMonicPoly(int degree, Ring<E> ring, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree.
static UnivariatePolynomial<BigInteger>	randomPoly(int degree, BigInteger bound, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree with elements bounded by bound (by absolute value).
static UnivariatePolynomialZ64	randomPoly(int degree, long bound, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree with elements bounded by bound (by absolute value).
static UnivariatePolynomialZ64	randomPoly(int degree, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree.
static <E> UnivariatePolynomial<E>	randomPoly(int degree, Ring<E> ring, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree with elements from specified ring
static <Poly extends IUnivariatePolynomial<Poly>> Poly	randomPoly(Poly factory, int degree, org.apache.commons.math3.random.RandomGenerator rnd) Creates random polynomial of specified degree.

Methods inherited from class java.lang.Object

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

Method Detail

randomPoly

public static <Poly extends IUnivariatePolynomial<Poly>> Poly randomPoly(Poly factory,
                                                                         int degree,
                                                                         org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree.

Parameters:

factory - the factory (used to infer the type and the ring)

degree - polynomial degree

rnd - random source

Returns:

random polynomial of specified degree

randomPoly

public static UnivariatePolynomialZ64 randomPoly(int degree,
                                                 org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree.

Parameters:

degree - polynomial degree

rnd - random source

Returns:

random polynomial of specified degree

randomMonicPoly

public static UnivariatePolynomialZp64 randomMonicPoly(int degree,
                                                       long modulus,
                                                       org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree.

Parameters:

degree - polynomial degree

rnd - random source

Returns:

random polynomial of specified degree

randomMonicPoly

public static UnivariatePolynomial<BigInteger> randomMonicPoly(int degree,
                                                               BigInteger modulus,
                                                               org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree.

Parameters:

degree - polynomial degree

rnd - random source

Returns:

random polynomial of specified degree

randomMonicPoly

public static <E> UnivariatePolynomial<E> randomMonicPoly(int degree,
                                                          Ring<E> ring,
                                                          org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree.

Parameters:

degree - polynomial degree

ring - the ring

rnd - random source

Returns:

random polynomial of specified degree

randomPoly

public static UnivariatePolynomialZ64 randomPoly(int degree,
                                                 long bound,
                                                 org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree with elements bounded by bound (by absolute value).

Parameters:

degree - polynomial degree

bound - absolute bound for coefficients

rnd - random source

Returns:

random polynomial of specified degree with elements bounded by bound (by absolute value)

randomPoly

public static UnivariatePolynomial<BigInteger> randomPoly(int degree,
                                                          BigInteger bound,
                                                          org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree with elements bounded by bound (by absolute value).

Parameters:

degree - polynomial degree

bound - absolute bound for coefficients

rnd - random source

Returns:

random polynomial of specified degree with elements bounded by bound (by absolute value)

randomPoly

public static <E> UnivariatePolynomial<E> randomPoly(int degree,
                                                     Ring<E> ring,
                                                     org.apache.commons.math3.random.RandomGenerator rnd)

Creates random polynomial of specified degree with elements from specified ring

Parameters:

degree - polynomial degree

ring - the ring

rnd - random source

Returns:

random polynomial of specified degree with elements bounded by bound (by absolute value)

randomLongArray

public static long[] randomLongArray(int degree,
                                     long bound,
                                     org.apache.commons.math3.random.RandomGenerator rnd)

Creates random array of length degree + 1 with elements bounded by bound (by absolute value).

Parameters:

degree - polynomial degree

bound - absolute bound for coefficients

rnd - random source

Returns:

array of length degree + 1 with elements bounded by bound (by absolute value)

randomBigArray

public static BigInteger[] randomBigArray(int degree,
                                          BigInteger bound,
                                          org.apache.commons.math3.random.RandomGenerator rnd)

Creates random array of length degree + 1 with elements bounded by bound (by absolute value).

Parameters:

degree - polynomial degree

bound - absolute bound for coefficients

rnd - random source

Returns:

array of length degree + 1 with elements bounded by bound (by absolute value)

randomArray

public static <E> E[] randomArray(int degree,
                                  Ring<E> ring,
                                  org.apache.commons.math3.random.RandomGenerator rnd)

Creates random array of length degree + 1 with elements from the specified ring

Parameters:

degree - polynomial degree

ring - the ring

rnd - random source

Returns:

array of length degree + 1 with elements from specified ring