public interface  org.apache.commons.math.FieldElement extends java.lang.Object
{
public abstract java.lang.Object add(java.lang.Object) throws org.apache.commons.math.exception.NullArgumentException;
public abstract java.lang.Object subtract(java.lang.Object) throws org.apache.commons.math.exception.NullArgumentException;
public abstract java.lang.Object negate();
public abstract java.lang.Object multiply(int);
public abstract java.lang.Object multiply(java.lang.Object) throws org.apache.commons.math.exception.NullArgumentException;
public abstract java.lang.Object divide(java.lang.Object) throws org.apache.commons.math.exception.NullArgumentException, org.apache.commons.math.exception.MathArithmeticException;
public abstract java.lang.Object reciprocal() throws org.apache.commons.math.exception.MathArithmeticException;
public abstract org.apache.commons.math.Field getField();
}