pqc/external/flint-2.4.3/fmpq_mat/test/t-sub.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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) 2011 Sebastian Pancratz
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "fmpq.h"
#include "fmpq_mat.h"
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("sub....");
fflush(stdout);
/* Aliasing, B = B - C */
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_mat_t A, B, C;
slong m, n, bits;
m = n_randint(state, 10);
n = n_randint(state, 10);
bits = 1 + n_randint(state, 100);
fmpq_mat_init(A, m, n);
fmpq_mat_init(B, m, n);
fmpq_mat_init(C, m, n);
fmpq_mat_randtest(B, state, bits);
fmpq_mat_randtest(C, state, bits);
fmpq_mat_sub(A, B, C);
fmpq_mat_sub(B, B, C);
result = fmpq_mat_equal(A, B);
if (!result)
{
flint_printf("FAIL (B = B - C):\n");
flint_printf("A:\n");
fmpq_mat_print(A);
flint_printf("B:\n");
fmpq_mat_print(B);
flint_printf("C:\n");
fmpq_mat_print(C);
abort();
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
fmpq_mat_clear(C);
}
/* Aliasing, C = B - C */
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_mat_t A, B, C;
slong m, n, bits;
m = n_randint(state, 10);
n = n_randint(state, 10);
bits = 1 + n_randint(state, 100);
fmpq_mat_init(A, m, n);
fmpq_mat_init(B, m, n);
fmpq_mat_init(C, m, n);
fmpq_mat_randtest(B, state, bits);
fmpq_mat_randtest(C, state, bits);
fmpq_mat_sub(A, B, C);
fmpq_mat_sub(C, B, C);
result = fmpq_mat_equal(A, C);
if (!result)
{
flint_printf("FAIL (C = B - C):\n");
flint_printf("A:\n");
fmpq_mat_print(A);
flint_printf("B:\n");
fmpq_mat_print(B);
flint_printf("C:\n");
fmpq_mat_print(C);
abort();
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
fmpq_mat_clear(C);
}
/* A - B == -(B - A) */
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_mat_t A, B, C, D;
slong m, n, bits;
m = n_randint(state, 10);
n = n_randint(state, 10);
bits = 1 + n_randint(state, 100);
fmpq_mat_init(A, m, n);
fmpq_mat_init(B, m, n);
fmpq_mat_init(C, m, n);
fmpq_mat_init(D, m, n);
fmpq_mat_randtest(A, state, bits);
fmpq_mat_randtest(B, state, bits);
fmpq_mat_sub(C, A, B);
fmpq_mat_sub(D, B, A);
fmpq_mat_neg(D, D);
result = fmpq_mat_equal(C, D);
if (!result)
{
flint_printf("FAIL (A + B == B + A):\n");
flint_printf("A:\n");
fmpq_mat_print(A);
flint_printf("B:\n");
fmpq_mat_print(B);
flint_printf("C:\n");
fmpq_mat_print(C);
flint_printf("D:\n");
fmpq_mat_print(D);
abort();
}
fmpq_mat_clear(A);
fmpq_mat_clear(B);
fmpq_mat_clear(C);
fmpq_mat_clear(D);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return EXIT_SUCCESS;
}