#include "test_helpers.h"
#include "fmpz.h"
#include "fmpz_poly.h"
TEST_FUNCTION_START(fmpz_poly_fibonacci, state)
{
fmpz_poly_t Pn, Pn1, Pn2, R;
slong n;
fmpz_poly_init(Pn);
fmpz_poly_init(Pn1);
fmpz_poly_init(Pn2);
fmpz_poly_init(R);
fmpz_poly_set_ui(Pn, UWORD(0));
fmpz_poly_set_ui(Pn1, UWORD(1));
for (n = 0; n <= 500; n++)
{
fmpz_poly_fibonacci(R, n);
if (!fmpz_poly_equal(Pn, R))
{
flint_printf("FAIL: n = %wd\n", n);
flint_printf("Direct: "); fmpz_poly_print_pretty(R, "x"); flint_printf("\n");
flint_printf("Recur.: "); fmpz_poly_print_pretty(Pn, "x"); flint_printf("\n");
fflush(stdout);
flint_abort();
}
fmpz_poly_shift_left(Pn2, Pn1, 1);
fmpz_poly_add(Pn2, Pn2, Pn);
fmpz_poly_swap(Pn, Pn1);
fmpz_poly_swap(Pn1, Pn2);
}
fmpz_poly_clear(Pn);
fmpz_poly_clear(Pn1);
fmpz_poly_clear(Pn2);
fmpz_poly_clear(R);
TEST_FUNCTION_END(state);
}