pqc/external/flint-2.4.3/fmpz/test/t-out_inp_raw.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) 2010 Sebastian Pancratz
Copyright (C) 2013 Qingwen GUAN
******************************************************************************/
#undef ulong
#define ulong ulongxx /* interferes with standard libraries */
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#undef ulong
#include <gmp.h>
#define ulong mp_limb_t
#include "flint.h"
#include "fmpz.h"
#if !defined (__WIN32) || defined(__CYGWIN__)
/*
The function fdopen is declared in stdio.h. It is POSIX.1 compliant,
but not ANSI compliant. The following line enables compilation with
the "-ansi" flag.
*/
extern FILE * fdopen(int fildes, const char *mode);
int main(void)
{
int i, j, n = 10000, result;
FILE *in, *out;
int fd[2];
pid_t childpid;
FLINT_TEST_INIT(state);
printf("out_raw/inp_raw....");
fflush(stdout);
/* Randomise n integers, write to and read from a pipe */
{
fmpz *a;
a = flint_calloc(n, sizeof(fmpz));
for (i = 0; i < n; i++)
fmpz_randtest(a + i, state, 200);
if (pipe(fd))
{
printf("FAIL:\n");
printf("Failed to set-up the pipe.\n");
abort();
}
if((childpid = fork()) == -1)
{
printf("FAIL:\n");
printf("Failed to fork the process.\n");
abort();
}
if(childpid == 0) /* Child process */
{
size_t r;
close(fd[0]);
out = fdopen(fd[1], "w");
if (out == NULL)
{
printf("FAIL:\n");
printf("Could not open output file at the pipe.\n");
abort();
}
for (j = 0; j < n; j++)
{
r = fmpz_out_raw(out, a + j);
if (r <= 0)
{
printf("FAIL:\n");
printf("Write error.\n");
abort();
}
}
fclose(out);
exit(0);
}
else /* Parent process */
{
size_t r;
fmpz_t t;
close(fd[1]);
in = fdopen(fd[0], "r");
if (in == NULL)
{
printf("FAIL:\n");
printf("Could not open input file at the pipe.\n");
abort();
}
fmpz_init(t);
i = 0;
while ( (r = fmpz_inp_raw(t, in)) != 0 )
{
result = fmpz_equal(t, a + i);
if (!result)
{
printf("FAIL:\n");
printf("a[i] = "), fmpz_print(a + i), printf("\n");
printf("t = "), fmpz_print(t), printf("\n");
abort();
}
++i;
}
fmpz_clear(t);
fclose(in);
}
if (i != n)
{
printf("FAIL:\n");
printf("Only %d out of %d objects were processed.\n", i, n);
abort();
}
for (i = 0; i < n; i++)
fmpz_clear(a + i);
flint_free(a);
}
/* Write bad data to a pipe and read it */
/* Not necessary */
FLINT_TEST_CLEANUP(state);
printf("PASS\n");
return EXIT_SUCCESS;
}
#else
int main(void)
{
printf("out_raw/ inp_raw....");
fflush(stdout);
printf("SKIPPED\n");
return EXIT_SUCCESS;
}
#endif