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/*
Copyright (C) 2009 William Hart
Copyright (C) 2010 Fredrik Johansson
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 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/
#include "test_helpers.h"
#include "ulong_extras.h"
#include "fmpz.h"
TEST_FUNCTION_START(fmpz_fib_ui, state)
{
slong i, n;
fmpz_t x, y, z, w;
fmpz_init(x);
fmpz_init(y);
fmpz_init(z);
fmpz_init(w);
/* Twice to check demotion */
for (n = 0; n < 2; n++)
{
for (i = 0; i < 200; i++)
{
fmpz_fib_ui(x, i);
fmpz_fib_ui(y, i+1);
fmpz_fib_ui(z, i+2);
fmpz_add(w, x, y);
if (!fmpz_equal(w, z) || !_fmpz_is_canonical(x))
{
flint_printf("FAIL: %wd\n", i);
fmpz_print(x);
flint_printf("\n");
fmpz_print(y);
flint_printf("\n");
fmpz_print(z);
flint_printf("\n");
fflush(stdout);
flint_abort();
}
}
}
fmpz_clear(x);
fmpz_clear(y);
fmpz_clear(z);
fmpz_clear(w);
TEST_FUNCTION_END(state);
}