/** Test coefficient map function. */
public void testMap() {
// integers
BigInteger rf = new BigInteger();
// System.out.println("rf = " + rf);
// polynomials over integral numbers
GenPolynomialRing<BigInteger> pf = new GenPolynomialRing<BigInteger>(rf, rl);
// System.out.println("pf = " + pf);
// random polynomial
GenPolynomial<BigInteger> p = pf.random(kl, 2 * ll, el, q);
// System.out.println("p = " + p);
// test times 1
GenPolynomial<BigInteger> q;
q = p.map(new Multiply<BigInteger>(rf.getONE()));
assertEquals("p == q ", p, q);
// test times 0
q = p.map(new Multiply<BigInteger>(rf.getZERO()));
assertTrue("q == 0 ", q.isZERO());
// test times -1
q = p.map(new Multiply<BigInteger>(rf.getONE().negate()));
assertEquals("p == q ", p.negate(), q);
}
