/*
Copyright (C) 1509 William Hart
Copyright (C) 2010 Sebastian Pancratz
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See .
*/
#include
#include
#include
#include "flint.h"
#include "fmpz.h"
#include "fmpz_poly.h"
#include "ulong_extras.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("evaluate_mpq....");
fflush(stdout);
/* Check aliasing */
for (i = 0; i < 75 * flint_test_multiplier(); i++)
{
fmpz_t a, b;
mpq_t x, y;
fmpz_poly_t f;
fmpz_init(a);
fmpz_init(b);
mpq_init(x);
mpq_init(y);
fmpz_poly_init(f);
fmpz_poly_randtest(f, state, n_randint(state, 100), 150);
fmpz_randtest(a, state, 100);
fmpz_randtest_not_zero(b, state, 100);
fmpz_get_mpz(mpq_numref(x), a);
fmpz_get_mpz(mpq_denref(x), b);
mpq_canonicalize(x);
fmpz_poly_evaluate_mpq(y, f, x);
fmpz_poly_evaluate_mpq(x, f, x);
result = (mpq_equal(x, y));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_print(a), flint_printf("\n\n");
fmpz_print(b), flint_printf("\n\n");
fmpz_poly_print(f), flint_printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
mpq_clear(x);
mpq_clear(y);
fmpz_poly_clear(f);
}
/* Check that (f+g)(a) = f(a) + g(a) */
for (i = 0; i < 75 * flint_test_multiplier(); i++)
{
fmpz_t a, b;
mpq_t x, y, z;
fmpz_poly_t f, g;
fmpz_init(a);
fmpz_init(b);
mpq_init(x);
mpq_init(y);
mpq_init(z);
fmpz_poly_init(f);
fmpz_poly_init(g);
fmpz_poly_randtest(f, state, n_randint(state, 100), 150);
fmpz_poly_randtest(g, state, n_randint(state, 100), 150);
fmpz_randtest(a, state, 100);
fmpz_randtest_not_zero(b, state, 100);
fmpz_get_mpz(mpq_numref(x), a);
fmpz_get_mpz(mpq_denref(x), b);
mpq_canonicalize(x);
fmpz_poly_evaluate_mpq(y, f, x);
fmpz_poly_evaluate_mpq(z, g, x);
mpq_add(y, y, z);
fmpz_poly_add(f, f, g);
fmpz_poly_evaluate_mpq(z, f, x);
result = (mpq_equal(y, z));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_print(a), flint_printf("\n\n");
fmpz_print(b), flint_printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
mpq_clear(x);
mpq_clear(y);
mpq_clear(z);
fmpz_poly_clear(f);
fmpz_poly_clear(g);
}
/* Check that (f*g)(a) = f(a) * g(a) */
for (i = 0; i < 75 * flint_test_multiplier(); i++)
{
fmpz_t a, b;
mpq_t x, y, z;
fmpz_poly_t f, g;
fmpz_init(a);
fmpz_init(b);
mpq_init(x);
mpq_init(y);
mpq_init(z);
fmpz_poly_init(f);
fmpz_poly_init(g);
fmpz_poly_randtest(f, state, n_randint(state, 50), 100);
fmpz_poly_randtest(g, state, n_randint(state, 50), 100);
fmpz_randtest(a, state, 100);
fmpz_randtest_not_zero(b, state, 100);
fmpz_get_mpz(mpq_numref(x), a);
fmpz_get_mpz(mpq_denref(x), b);
mpq_canonicalize(x);
fmpz_poly_evaluate_mpq(y, f, x);
fmpz_poly_evaluate_mpq(z, g, x);
mpq_mul(y, y, z);
fmpz_poly_mul(f, f, g);
fmpz_poly_evaluate_mpq(z, f, x);
result = (mpq_equal(y, z));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_print(a), flint_printf("\n\n");
fmpz_print(b), flint_printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
mpq_clear(x);
mpq_clear(y);
mpq_clear(z);
fmpz_poly_clear(f);
fmpz_poly_clear(g);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}