pqc/external/flint-2.4.3/fmpz_poly_q/test/t-evaluate.c
2014-05-24 23:16:06 +02:00

69 lines
1.6 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "fmpz_poly_q.h"
#include "ulong_extras.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("evaluate...");
fflush(stdout);
/* Check aliasing */
for (i = 0; i < 100; i++)
{
int ans1, ans2;
mpq_t a, b;
fmpz_t num, den;
fmpz_poly_q_t f;
mpq_init(a);
mpq_init(b);
fmpz_init(num);
fmpz_init(den);
fmpz_poly_q_init(f);
fmpz_poly_q_randtest(f, state, n_randint(state, 10), 10, n_randint(state, 10), 10);
fmpz_randtest(num, state, 50);
fmpz_randtest_not_zero(den, state, 50);
fmpz_get_mpz(mpq_numref(a), num);
fmpz_get_mpz(mpq_denref(a), den);
mpq_canonicalize(a);
ans1 = fmpz_poly_q_evaluate(b, f, a);
ans2 = fmpz_poly_q_evaluate(a, f, a);
result = (ans1 == ans2) && mpq_equal(a, b);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("f = "), fmpz_poly_q_print(f), flint_printf("\n");
flint_printf("num = "), fmpz_print(num), flint_printf("\n");
flint_printf("den = "), fmpz_print(den), flint_printf("\n");
gmp_printf("a = %Qd\n", a);
gmp_printf("b = %Qd\n", b);
flint_printf("ans1 = %d\n", ans1);
flint_printf("ans2 = %d\n", ans2);
abort();
}
mpq_clear(a);
mpq_clear(b);
fmpz_clear(num);
fmpz_clear(den);
fmpz_poly_q_clear(f);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}