209 lines
6.1 KiB
C
209 lines
6.1 KiB
C
/*=============================================================================
|
|
|
|
This file is part of FLINT.
|
|
|
|
FLINT is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
FLINT is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with FLINT; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
=============================================================================*/
|
|
/******************************************************************************
|
|
|
|
Copyright (C) 2010 Sebastian Pancratz
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include "flint.h"
|
|
#include "fmpz.h"
|
|
#include "fmpq_poly.h"
|
|
#include "long_extras.h"
|
|
#include "ulong_extras.h"
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int i, result;
|
|
ulong cflags = UWORD(0);
|
|
FLINT_TEST_INIT(state);
|
|
|
|
flint_printf("scalar_mul_mpq....");
|
|
fflush(stdout);
|
|
|
|
|
|
|
|
/* Check aliasing of a and b */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a, b;
|
|
fmpz_t r, s;
|
|
mpq_t z;
|
|
|
|
mpq_init(z);
|
|
fmpz_init(r);
|
|
fmpz_init(s);
|
|
fmpz_randtest(r, state, 100);
|
|
fmpz_randtest_not_zero(s, state, 100);
|
|
fmpz_get_mpz(mpq_numref(z), r);
|
|
fmpz_get_mpz(mpq_denref(z), s);
|
|
mpq_canonicalize(z);
|
|
|
|
fmpq_poly_init(a);
|
|
fmpq_poly_init(b);
|
|
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
|
|
|
|
fmpq_poly_scalar_mul_mpq(b, a, z);
|
|
fmpq_poly_scalar_mul_mpq(a, a, z);
|
|
|
|
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(b) ? 0 : 2;
|
|
result = (fmpq_poly_equal(a, b) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL (aliasing):\n\n");
|
|
fmpq_poly_debug(a), flint_printf("\n\n");
|
|
fmpq_poly_debug(b), flint_printf("\n\n");
|
|
gmp_printf("z = %Qd\n\n", z);
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
mpq_clear(z);
|
|
fmpz_clear(r);
|
|
fmpz_clear(s);
|
|
fmpq_poly_clear(a);
|
|
fmpq_poly_clear(b);
|
|
}
|
|
|
|
/* Check that (a * n1) * n2 == a * (n1 * n2) */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a, lhs, rhs;
|
|
fmpz_t r, s;
|
|
mpq_t z1, z2, z;
|
|
|
|
fmpz_init(r);
|
|
fmpz_init(s);
|
|
mpq_init(z1);
|
|
mpq_init(z2);
|
|
mpq_init(z);
|
|
|
|
fmpz_randtest(r, state, 100);
|
|
fmpz_randtest_not_zero(s, state, 100);
|
|
fmpz_get_mpz(mpq_numref(z1), r);
|
|
fmpz_get_mpz(mpq_denref(z1), s);
|
|
mpq_canonicalize(z1);
|
|
fmpz_randtest(r, state, 100);
|
|
fmpz_randtest_not_zero(s, state, 100);
|
|
fmpz_get_mpz(mpq_numref(z2), r);
|
|
fmpz_get_mpz(mpq_denref(z2), s);
|
|
mpq_canonicalize(z2);
|
|
mpq_mul(z, z1, z2);
|
|
|
|
fmpq_poly_init(a);
|
|
fmpq_poly_init(lhs);
|
|
fmpq_poly_init(rhs);
|
|
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
|
|
|
|
fmpq_poly_scalar_mul_mpq(lhs, a, z1);
|
|
fmpq_poly_scalar_mul_mpq(lhs, lhs, z2);
|
|
fmpq_poly_scalar_mul_mpq(rhs, a, z);
|
|
|
|
cflags |= fmpq_poly_is_canonical(lhs) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(rhs) ? 0 : 2;
|
|
result = (fmpq_poly_equal(lhs, rhs) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL (a * n1 * n2):\n");
|
|
fmpq_poly_debug(a), flint_printf("\n\n");
|
|
gmp_printf("z1 = %Qd\n\n", z1);
|
|
gmp_printf("z2 = %Qd\n\n", z2);
|
|
gmp_printf("z = %Qd\n\n", z);
|
|
fmpq_poly_debug(lhs), flint_printf("\n\n");
|
|
fmpq_poly_debug(rhs), flint_printf("\n\n");
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
mpq_clear(z1);
|
|
mpq_clear(z2);
|
|
mpq_clear(z);
|
|
fmpz_clear(r);
|
|
fmpz_clear(s);
|
|
fmpq_poly_clear(a);
|
|
fmpq_poly_clear(lhs);
|
|
fmpq_poly_clear(rhs);
|
|
}
|
|
|
|
/* Check that (a + b) * n == a*n + b*n */
|
|
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
|
|
{
|
|
fmpq_poly_t a, b, lhs, rhs;
|
|
fmpz_t r, s;
|
|
mpq_t z;
|
|
|
|
fmpz_init(r);
|
|
fmpz_init(s);
|
|
mpq_init(z);
|
|
|
|
fmpz_randtest(r, state, 100);
|
|
fmpz_randtest_not_zero(s, state, 100);
|
|
fmpz_get_mpz(mpq_numref(z), r);
|
|
fmpz_get_mpz(mpq_denref(z), s);
|
|
mpq_canonicalize(z);
|
|
|
|
fmpq_poly_init(a);
|
|
fmpq_poly_init(b);
|
|
fmpq_poly_init(lhs);
|
|
fmpq_poly_init(rhs);
|
|
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
|
|
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
|
|
|
|
fmpq_poly_scalar_mul_mpq(lhs, a, z);
|
|
fmpq_poly_scalar_mul_mpq(rhs, b, z);
|
|
fmpq_poly_add(rhs, lhs, rhs);
|
|
fmpq_poly_add(lhs, a, b);
|
|
fmpq_poly_scalar_mul_mpq(lhs, lhs, z);
|
|
|
|
cflags |= fmpq_poly_is_canonical(lhs) ? 0 : 1;
|
|
cflags |= fmpq_poly_is_canonical(rhs) ? 0 : 2;
|
|
result = (fmpq_poly_equal(lhs, rhs) && !cflags);
|
|
if (!result)
|
|
{
|
|
flint_printf("FAIL ((a + b) / n):\n");
|
|
fmpq_poly_debug(a), flint_printf("\n\n");
|
|
fmpq_poly_debug(b), flint_printf("\n\n");
|
|
gmp_printf("z = %Qd\n\n", z);
|
|
fmpq_poly_debug(lhs), flint_printf("\n\n");
|
|
fmpq_poly_debug(rhs), flint_printf("\n\n");
|
|
flint_printf("cflags = %wu\n\n", cflags);
|
|
abort();
|
|
}
|
|
|
|
mpq_clear(z);
|
|
fmpz_clear(r);
|
|
fmpz_clear(s);
|
|
fmpq_poly_clear(a);
|
|
fmpq_poly_clear(b);
|
|
fmpq_poly_clear(lhs);
|
|
fmpq_poly_clear(rhs);
|
|
}
|
|
|
|
FLINT_TEST_CLEANUP(state);
|
|
|
|
flint_printf("PASS\n");
|
|
return 0;
|
|
}
|