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/*
Copyright (C) 2009 William Hart
Copyright (C) 2010 Sebastian Pancratz
Copyright (C) 2011 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 "fmpq_poly.h"
TEST_FUNCTION_START(fmpq_poly_integral, state)
{
int i, result;
ulong cflags = UWORD(0);
/* Check inverse of fmpq_poly_derivative */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b, c;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_randtest(a, state, n_randint(state, 100), 1 + n_randint(state, 200));
if (n_randint(state, 2))
{
fmpq_poly_integral(b, a);
}
else /* Check aliasing */
{
fmpq_poly_set(b, a);
fmpq_poly_integral(b, b);
}
fmpq_poly_derivative(c, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = fmpq_poly_equal(a, c) && !cflags;
if (!result)
{
flint_printf("FAIL:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
fflush(stdout);
flint_abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
TEST_FUNCTION_END(state);
}