http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.pqc.math.ntru.polynomial;

import java.math.BigDecimal;
import java.math.BigInteger;

public class Constants
{
    static final BigInteger BIGINT_ZERO = BigInteger.valueOf(0);
    static final BigInteger BIGINT_ONE = BigInteger.valueOf(1);

    static final BigDecimal BIGDEC_ONE = BigDecimal.valueOf(1);
}