本文整理汇总了Java中edu.jas.arith.BigInteger.ONE属性的典型用法代码示例。如果您正苦于以下问题：Java BigInteger.ONE属性的具体用法？Java BigInteger.ONE怎么用？Java BigInteger.ONE使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类edu.jas.arith.BigInteger的用法示例。
在下文中一共展示了BigInteger.ONE属性的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: factorBound
/**
* Factor coefficient bound. See SACIPOL.IPFCB: the product of all maxNorms
* of potential factors is less than or equal to 2**b times the maxNorm of
* A.
* @param e degree vector of a GenPolynomial A.
* @return 2**b.
*/
public static BigInteger factorBound(ExpVector e) {
int n = 0;
java.math.BigInteger p = java.math.BigInteger.ONE;
java.math.BigInteger v;
if (e == null || e.isZERO()) {
return BigInteger.ONE;
}
for (int i = 0; i < e.length(); i++) {
if (e.getVal(i) > 0) {
n += (2 * e.getVal(i) - 1);
v = new java.math.BigInteger("" + (e.getVal(i) - 1));
p = p.multiply(v);
}
}
n += (p.bitCount() + 1); // log2(p)
n /= 2;
v = new java.math.BigInteger("" + 2);
v = v.shiftLeft(n);
BigInteger N = new BigInteger(v);
return N;
}
示例2: FactorInteger
/**
* No argument constructor.
*/
public FactorInteger() {
this(BigInteger.ONE);
}
示例3: baseFactorsSquarefree
/**
* GenPolynomial base factorization of a squarefree polynomial.
* @param P squarefree GenPolynomial.
* @return [p_1,...,p_k] with P = prod_{i=1, ..., k} p_i.
*/
@Override
public List<GenPolynomial<BigRational>> baseFactorsSquarefree(GenPolynomial<BigRational> P) {
if (P == null) {
throw new IllegalArgumentException(this.getClass().getName() + " P == null");
}
List<GenPolynomial<BigRational>> factors = new ArrayList<GenPolynomial<BigRational>>();
if (P.isZERO()) {
return factors;
}
if (P.isONE()) {
factors.add(P);
return factors;
}
GenPolynomialRing<BigRational> pfac = P.ring;
if (pfac.nvar > 1) {
throw new IllegalArgumentException(this.getClass().getName() + " only for univariate polynomials");
}
GenPolynomial<BigRational> Pr = P;
BigRational ldcf = P.leadingBaseCoefficient();
if (!ldcf.isONE()) {
//System.out.println("ldcf = " + ldcf);
Pr = Pr.monic();
}
BigInteger bi = BigInteger.ONE;
GenPolynomialRing<BigInteger> ifac = new GenPolynomialRing<BigInteger>(bi, pfac);
GenPolynomial<BigInteger> Pi = PolyUtil.integerFromRationalCoefficients(ifac, Pr);
if (debug) {
logger.info("Pi = " + Pi);
}
List<GenPolynomial<BigInteger>> ifacts = iengine.baseFactorsSquarefree(Pi);
if (logger.isInfoEnabled()) {
logger.info("ifacts = " + ifacts);
}
if (ifacts.size() <= 1) {
factors.add(P);
return factors;
}
List<GenPolynomial<BigRational>> rfacts = PolyUtil.fromIntegerCoefficients(pfac, ifacts);
//System.out.println("rfacts = " + rfacts);
rfacts = PolyUtil.monic(rfacts);
//System.out.println("rfacts = " + rfacts);
if (!ldcf.isONE()) {
GenPolynomial<BigRational> r = rfacts.get(0);
rfacts.remove(r);
r = r.multiply(ldcf);
rfacts.set(0, r);
}
if (logger.isInfoEnabled()) {
logger.info("rfacts = " + rfacts);
}
factors.addAll(rfacts);
return factors;
}
示例4: factorsSquarefree
/**
* GenPolynomial factorization of a squarefree polynomial.
* @param P squarefree GenPolynomial.
* @return [p_1,...,p_k] with P = prod_{i=1, ..., k} p_i.
*/
@Override
public List<GenPolynomial<BigRational>> factorsSquarefree(GenPolynomial<BigRational> P) {
if (P == null) {
throw new IllegalArgumentException(this.getClass().getName() + " P == null");
}
List<GenPolynomial<BigRational>> factors = new ArrayList<GenPolynomial<BigRational>>();
if (P.isZERO()) {
return factors;
}
if (P.isONE()) {
factors.add(P);
return factors;
}
GenPolynomialRing<BigRational> pfac = P.ring;
if (pfac.nvar == 1) {
return baseFactorsSquarefree(P);
}
GenPolynomial<BigRational> Pr = P;
BigRational ldcf = P.leadingBaseCoefficient();
if (!ldcf.isONE()) {
//System.out.println("ldcf = " + ldcf);
Pr = Pr.monic();
}
BigInteger bi = BigInteger.ONE;
GenPolynomialRing<BigInteger> ifac = new GenPolynomialRing<BigInteger>(bi, pfac);
GenPolynomial<BigInteger> Pi = PolyUtil.integerFromRationalCoefficients(ifac, Pr);
if (debug) {
logger.info("Pi = " + Pi);
}
List<GenPolynomial<BigInteger>> ifacts = iengine.factorsSquarefree(Pi);
if (logger.isInfoEnabled()) {
logger.info("ifacts = " + ifacts);
}
if (ifacts.size() <= 1) {
factors.add(P);
return factors;
}
List<GenPolynomial<BigRational>> rfacts = PolyUtil.fromIntegerCoefficients(pfac, ifacts);
//System.out.println("rfacts = " + rfacts);
rfacts = PolyUtil.monic(rfacts);
//System.out.println("rfacts = " + rfacts);
if (!ldcf.isONE()) {
GenPolynomial<BigRational> r = rfacts.get(0);
rfacts.remove(r);
r = r.multiply(ldcf);
rfacts.set(0, r);
}
if (logger.isInfoEnabled()) {
logger.info("rfacts = " + rfacts);
}
factors.addAll(rfacts);
return factors;
}