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

117 lines
3.0 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("div... ");
fflush(stdout);
/* Check aliasing of a and b */
for (i = 0; i < 100; i++)
{
fmpz_poly_q_t a, b, c;
fmpz_poly_q_init(a);
fmpz_poly_q_init(b);
fmpz_poly_q_init(c);
fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_randtest_not_zero(c, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_div(a, b, c);
fmpz_poly_q_div(b, b, c);
result = fmpz_poly_q_equal(a, b);
if (!result)
{
flint_printf("FAIL:\n");
fmpz_poly_q_print(a), flint_printf("\n\n");
fmpz_poly_q_print(b), flint_printf("\n\n");
abort();
}
fmpz_poly_q_clear(a);
fmpz_poly_q_clear(b);
fmpz_poly_q_clear(c);
}
/* Check aliasing of a and c */
for (i = 0; i < 100; i++)
{
fmpz_poly_q_t a, b, c;
fmpz_poly_q_init(a);
fmpz_poly_q_init(b);
fmpz_poly_q_init(c);
fmpz_poly_q_randtest(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_randtest_not_zero(c, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_div(a, b, c);
fmpz_poly_q_div(c, b, c);
result = (fmpz_poly_q_equal(a, c));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_poly_q_print(a), flint_printf("\n\n");
fmpz_poly_q_print(c), flint_printf("\n\n");
abort();
}
fmpz_poly_q_clear(a);
fmpz_poly_q_clear(b);
fmpz_poly_q_clear(c);
}
/* Check (c/b)+(d/b) = (c+d)/b */
for (i = 0; i < 100; i++)
{
fmpz_poly_q_t a1, a2, b, c, d;
fmpz_poly_q_init(a1);
fmpz_poly_q_init(a2);
fmpz_poly_q_init(b);
fmpz_poly_q_init(c);
fmpz_poly_q_init(d);
fmpz_poly_q_randtest_not_zero(b, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_randtest(c, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_randtest(d, state, n_randint(state, 50), 50, n_randint(state, 50), 50);
fmpz_poly_q_div(a1, c, b);
fmpz_poly_q_div(a2, d, b);
fmpz_poly_q_add(a1, a1, a2);
fmpz_poly_q_add(c, c, d);
fmpz_poly_q_div(a2, c, b);
result = fmpz_poly_q_equal(a1, a2) && fmpz_poly_q_is_canonical(a1);
if (!result)
{
flint_printf("FAIL:\n");
fmpz_poly_q_print(a1), flint_printf("\n\n");
fmpz_poly_q_print(a2), flint_printf("\n\n");
abort();
}
fmpz_poly_q_clear(a1);
fmpz_poly_q_clear(a2);
fmpz_poly_q_clear(b);
fmpz_poly_q_clear(c);
fmpz_poly_q_clear(d);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}