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java.lang.Objectorg.bouncycastle.pqc.math.ntru.polynomial.BigIntPolynomial
public class BigIntPolynomial
A polynomial with BigInteger
coefficients.
Some methods (like add
) change the polynomial, others (like mult
) do
not but return the result as a new polynomial.
Constructor Summary | |
---|---|
BigIntPolynomial(IntegerPolynomial p)
Constructs a BigIntPolynomial from a IntegerPolynomial . |
Method Summary | |
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void |
add(BigIntPolynomial b)
Adds another polynomial which can have a different number of coefficients. |
java.lang.Object |
clone()
Makes a copy of the polynomial that is independent of the original. |
BigDecimalPolynomial |
div(java.math.BigDecimal divisor,
int decimalPlaces)
Divides each coefficient by a BigDecimal and rounds the result to decimalPlaces places. |
void |
div(java.math.BigInteger divisor)
Divides each coefficient by a BigInteger and rounds the result to the nearest whole number. |
boolean |
equals(java.lang.Object obj)
|
java.math.BigInteger[] |
getCoeffs()
|
int |
getMaxCoeffLength()
Returns the base10 length of the largest coefficient. |
int |
hashCode()
|
void |
mod(java.math.BigInteger modulus)
Takes each coefficient modulo a number. |
void |
mult(java.math.BigInteger factor)
Multiplies each coefficient by a BigInteger . |
BigIntPolynomial |
mult(BigIntPolynomial poly2)
Multiplies the polynomial by another, taking the indices mod N. |
void |
sub(BigIntPolynomial b)
Subtracts another polynomial which can have a different number of coefficients. |
Methods inherited from class java.lang.Object |
---|
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BigIntPolynomial(IntegerPolynomial p)
BigIntPolynomial
from a IntegerPolynomial
. The two polynomials are
independent of each other.
p
- the original polynomialMethod Detail |
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public BigIntPolynomial mult(BigIntPolynomial poly2)
poly2
- the polynomial to multiply by
public void add(BigIntPolynomial b)
b
- another polynomialpublic void sub(BigIntPolynomial b)
b
- another polynomialpublic void mult(java.math.BigInteger factor)
BigInteger
. Does not return a new polynomial but modifies this polynomial.
factor
- public void div(java.math.BigInteger divisor)
BigInteger
and rounds the result to the nearest whole number.
divisor
- the number to divide bypublic BigDecimalPolynomial div(java.math.BigDecimal divisor, int decimalPlaces)
BigDecimal
and rounds the result to decimalPlaces
places.
divisor
- the number to divide bydecimalPlaces
- the number of fractional digits to round the result to
BigDecimalPolynomial
public int getMaxCoeffLength()
public void mod(java.math.BigInteger modulus)
modulus
- public java.lang.Object clone()
clone
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object obj)
equals
in class java.lang.Object
public java.math.BigInteger[] getCoeffs()
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Bouncy Castle Cryptography Library 1.49 | ||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |