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fmpz_poly-test.c
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fmpz_poly-test.c
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/*============================================================================
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
===============================================================================*/
/****************************************************************************
fmpz_poly-test.c: Test code for fmpz_poly.c and fmpz_poly.h
Copyright (C) 2007, William Hart and David Harvey
Copyright (C) 2008, 2009, 2010 William Hart
*****************************************************************************/
#include <stdio.h>
#include <string.h>
#include "gmp.h"
#include <time.h>
#include "flint.h"
#include "mpz_poly.h"
#include "fmpz_poly.h"
#include "memory-manager.h"
#include "ZmodF_poly.h"
#include "test-support.h"
#include "zmod_poly.h"
#define VARY_BITS 1
#define SIGNS 1
#define SPARSE 1
#define TEST 1
#if TEST == 0
#define TIME 1
#define COUNT 1
#else
#define COUNT 100
#endif
#define SIZE 10000
#define BITS 400
#define TESTFILE 0 // Set this to test polynomial reading and writing to a file in the current dir
#define DEBUG 0 // prints debug information
#define DEBUG2 1
unsigned long randint(unsigned long randsup)
{
if (randsup == 0) return 0;
static unsigned long randval = 4035456057U;
randval = ((unsigned long)randval*1025416097U+286824428U)%(unsigned long)4294967291U;
return (unsigned long)randval%randsup;
}
void randpoly(mpz_poly_t pol, long length, unsigned long maxbits)
{
if (!rand_initialised)
{
test_support_init();
rand_initialised = 1;
}
unsigned long bits;
mpz_t temp;
mpz_init(temp);
mpz_poly_zero(pol);
long i;
for (i = 0; i < length; i++)
{
#if VARY_BITS
bits = randint(maxbits+1);
#else
bits = maxbits;
#endif
if (bits == 0) mpz_set_ui(temp,0);
else
{
#if SPARSE
if (randint(10) == 1) mpz_rrandomb(temp, randstate, bits);
else mpz_set_ui(temp, 0);
#else
mpz_rrandomb(temp, randstate, bits);
#endif
if (z_randint(2)) mpz_clrbit(temp, bits - 1);
#if SIGNS
if (randint(2)) mpz_neg(temp,temp);
#endif
}
mpz_poly_set_coeff(pol, i, temp);
}
mpz_clear(temp);
}
void randpoly_unsigned(mpz_poly_t pol, long length, unsigned long maxbits)
{
if (!rand_initialised)
{
test_support_init();
rand_initialised = 1;
}
unsigned long bits;
mpz_t temp;
mpz_init(temp);
mpz_poly_zero(pol);
long i;
for (i = 0; i < length; i++)
{
#if VARY_BITS
bits = randint(maxbits+1);
#else
bits = maxbits;
#endif
if (bits == 0) mpz_set_ui(temp,0);
else
{
mpz_rrandomb(temp, randstate, bits);
}
mpz_poly_set_coeff(pol, i, temp);
}
mpz_clear(temp);
}
int test__fmpz_poly_convert()
{
mpz_poly_t test_poly, test_poly2;
fmpz_poly_t test_fmpz_poly;
mpz_t temp;
mpz_init(temp);
int result = 1;
unsigned long bits, length;
mpz_poly_init(test_poly);
mpz_poly_init(test_poly2);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(5) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(20);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
mpz_poly_realloc(test_poly2, length);
randpoly(test_poly, length, bits);
#if DEBUG
mpz_poly_print_pretty(test_poly, "x");
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_poly_check_normalisation(test_fmpz_poly);
fmpz_poly_to_mpz_poly(test_poly2, test_fmpz_poly);
#if DEBUG
for (unsigned j = 0; j < test_poly2->length; j++)
gmp_printf("%Zd, ",test_poly2->coeffs[j]);
printf("\n\n");
#endif
result = mpz_poly_equal(test_poly, test_poly2);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_clear(temp);
mpz_poly_clear(test_poly);
mpz_poly_clear(test_poly2);
return result;
}
int test_fmpz_poly_to_zmod_poly_no_red()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly, test_fmpz_poly2;
zmod_poly_t test_zmod_poly;
int result = 1;
unsigned long bits, length;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = z_randint(FLINT_BITS-3) + 1;
fmpz_poly_init(test_fmpz_poly);
fmpz_poly_init(test_fmpz_poly2);
unsigned long count2;
for (count2 = 0; (count2 < 100) && (result == 1); count2++)
{
length = random_ulong(20);
ulong p = z_nextprime(1L<<(bits+1), 0);
zmod_poly_init(test_zmod_poly, p);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
#if DEBUG
mpz_poly_print_pretty(test_poly, "x");
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_poly_check_normalisation(test_fmpz_poly);
fmpz_poly_to_zmod_poly_no_red(test_zmod_poly, test_fmpz_poly);
zmod_poly_to_fmpz_poly(test_fmpz_poly2, test_zmod_poly);
result = fmpz_poly_equal(test_fmpz_poly, test_fmpz_poly2);
if (!result)
{
fmpz_poly_print(test_fmpz_poly); printf("\n\n");
fmpz_poly_print(test_fmpz_poly2); printf("\n\n");
printf("p = %ld\n", p);
}
zmod_poly_clear(test_zmod_poly);
}
fmpz_poly_clear(test_fmpz_poly);
fmpz_poly_clear(test_fmpz_poly2);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_truncate()
{
mpz_poly_t test_poly, test_poly2;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length, trunc;
mpz_poly_init(test_poly);
mpz_poly_init(test_poly2);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
trunc = random_ulong(length+1);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
mpz_poly_realloc(test_poly2, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
_fmpz_poly_truncate(test_fmpz_poly, trunc);
fmpz_poly_check_normalisation(test_fmpz_poly);
fmpz_poly_to_mpz_poly(test_poly2, test_fmpz_poly);
mpz_poly_truncate(test_poly, test_poly, trunc);
#if DEBUG
for (unsigned j = 0; j < test_poly2->length; j++)
gmp_printf("%Zd, ",test_poly2->coeffs[j]);
printf("\n\n");
#endif
result = mpz_poly_equal(test_poly, test_poly2);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
mpz_poly_clear(test_poly2);
return result;
}
int test__fmpz_poly_max_bits()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long next_bits, mpz_bits, fmpz_bits, sign;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_bits = 0;
sign = 1L;
unsigned long i;
for (i = 0; i < test_poly->length; i++)
{
next_bits = mpz_sizeinbase(test_poly->coeffs[i], 2);
if (next_bits > mpz_bits) mpz_bits = next_bits;
if (mpz_sgn(test_poly->coeffs[i]) < 0L) sign = -1L;
}
mpz_bits = sign*mpz_bits;
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_bits = _fmpz_poly_max_bits(test_fmpz_poly);
result = (mpz_bits == fmpz_bits);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_max_bits1()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long next_bits, mpz_bits, fmpz_bits, sign;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(FLINT_BITS)+1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_bits = 0;
sign = 1L;
unsigned long i;
for (i = 0; i < test_poly->length; i++)
{
next_bits = mpz_sizeinbase(test_poly->coeffs[i], 2);
if (next_bits > mpz_bits) mpz_bits = next_bits;
if (mpz_sgn(test_poly->coeffs[i]) < 0L) sign = -1L;
}
mpz_bits = mpz_bits*sign;
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_bits = _fmpz_poly_max_bits1(test_fmpz_poly);
result = (mpz_bits == fmpz_bits);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_max_limbs()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length, next_limbs, mpz_limbs, fmpz_limbs;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_limbs = 0;
unsigned long i;
for (i = 0; i < test_poly->length; i++)
{
next_limbs = mpz_size(test_poly->coeffs[i]);
if (next_limbs > mpz_limbs) mpz_limbs = next_limbs;
}
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_limbs = _fmpz_poly_max_limbs(test_fmpz_poly);
result = (mpz_limbs == fmpz_limbs);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_attach()
{
mpz_poly_t test_poly, test_poly2;
fmpz_poly_t test_fmpz_poly, test_fmpz_poly2;
mpz_t temp;
mpz_init(temp);
int result = 1;
unsigned long bits, length;
mpz_poly_init(test_poly);
mpz_poly_init(test_poly2);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
mpz_poly_realloc(test_poly2, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
_fmpz_poly_attach(test_fmpz_poly2, test_fmpz_poly);
_fmpz_poly_check_normalisation(test_fmpz_poly2);
fmpz_poly_to_mpz_poly(test_poly2, test_fmpz_poly2);
#if DEBUG
for (unsigned j = 0; j < test_poly2->length; j++)
gmp_printf("%Zd, ",test_poly2->coeffs[j]);
printf("\n\n");
#endif
result = mpz_poly_equal(test_poly, test_poly2);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_clear(temp);
mpz_poly_clear(test_poly);
mpz_poly_clear(test_poly2);
return result;
}
int test__fmpz_poly_attach_shift()
{
mpz_poly_t test_poly, test_poly2;
fmpz_poly_t test_fmpz_poly, test_fmpz_poly2;
mpz_t temp;
mpz_init(temp);
int result = 1;
unsigned long bits, length, shift;
mpz_poly_init(test_poly);
mpz_poly_init(test_poly2);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
shift = random_ulong(length+1);
#if DEBUG
printf("%ld, %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
mpz_poly_realloc(test_poly2, length);
randpoly(test_poly, length, bits);
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
_fmpz_poly_attach_shift(test_fmpz_poly2, test_fmpz_poly, shift);
_fmpz_poly_check_normalisation(test_fmpz_poly2);
fmpz_poly_to_mpz_poly(test_poly2, test_fmpz_poly2);
_fmpz_poly_right_shift(test_fmpz_poly, test_fmpz_poly, shift);
fmpz_poly_to_mpz_poly(test_poly, test_fmpz_poly);
#if DEBUG
for (unsigned j = 0; j < test_poly2->length; j++)
gmp_printf("%Zd, ",test_poly2->coeffs[j]);
printf("\n\n");
#endif
result = mpz_poly_equal(test_poly, test_poly2);
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_clear(temp);
mpz_poly_clear(test_poly);
mpz_poly_clear(test_poly2);
return result;
}
int test__fmpz_poly_attach_truncate()
{
mpz_poly_t test_poly, test_poly2;
fmpz_poly_t test_fmpz_poly, test_fmpz_poly2;
mpz_t temp;
mpz_init(temp);
int result = 1;
unsigned long bits, length, trunc;
mpz_poly_init(test_poly);
mpz_poly_init(test_poly2);
unsigned long count1;
for (count1 = 1; (count1 < 300) && (result == 1) ; count1++)
{
bits = random_ulong(1000) + 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000);
trunc = random_ulong(length+1);
#if DEBUG
printf("%ld, %ld, %ld\n",length, bits, trunc);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
mpz_poly_realloc(test_poly2, length);
randpoly(test_poly, length, bits);
if (trunc > test_poly->length) trunc = test_poly->length;
#if DEBUG
for (unsigned j = 0; j < test_poly->length; j++)
gmp_printf("%Zd, ",test_poly->coeffs[j]);
printf("\n\n");
#endif
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
_fmpz_poly_attach_truncate(test_fmpz_poly2, test_fmpz_poly, trunc);
_fmpz_poly_check_normalisation(test_fmpz_poly2);
fmpz_poly_to_mpz_poly(test_poly2, test_fmpz_poly2);
_fmpz_poly_truncate(test_fmpz_poly, trunc);
fmpz_poly_to_mpz_poly(test_poly, test_fmpz_poly);
result = mpz_poly_equal(test_poly, test_poly2);
#if DEBUG2
if (!result)
{
mpz_poly_print(test_poly); printf("\n");
mpz_poly_print(test_poly2); printf("\n");
}
#endif
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_clear(temp);
mpz_poly_clear(test_poly);
mpz_poly_clear(test_poly2);
return result;
}
int test__fmpz_poly_getset_ui()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
unsigned long coeff, coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_poly_check_normalisation(test_fmpz_poly);
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(test_fmpz_poly->length);
if (test_fmpz_poly->length)
{
_fmpz_poly_set_coeff_ui(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
result = (_fmpz_poly_get_coeff_ui(test_fmpz_poly, coeff_num) == coeff);
}
#if DEBUG2
if (!result) printf("Length = %ld, index = %ld, bits = %ld, coeff = %ld\n", test_fmpz_poly->length, coeff_num, coeff_bits, coeff);
#endif
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_getset_si()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long coeff, sign;
unsigned long coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
length = test_fmpz_poly->length;
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS-1);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(test_fmpz_poly->length);
#if DEBUG
printf("Index = %ld, bits = %ld, coeff = %ld\n", coeff_num, coeff_bits, coeff);
#endif
if (randint(2)) sign = -1L; else sign = 1L;
coeff = sign*coeff;
if (test_fmpz_poly->length)
{
_fmpz_poly_set_coeff_si(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
result = ((_fmpz_poly_get_coeff_si(test_fmpz_poly, coeff_num) == coeff) && (_fmpz_poly_get_coeff_ui(test_fmpz_poly, coeff_num) == sign*coeff));
}
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test_fmpz_poly_getset_ui()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
unsigned long coeff, coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
fmpz_poly_check_normalisation(test_fmpz_poly);
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(test_fmpz_poly->length);
if (test_fmpz_poly->length)
{
fmpz_poly_set_coeff_ui(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
result = (fmpz_poly_get_coeff_ui(test_fmpz_poly, coeff_num) == coeff);
}
#if DEBUG2
if (!result) printf("Length = %ld, index = %ld, bits = %ld, coeff = %ld\n", test_fmpz_poly->length, coeff_num, coeff_bits, coeff);
#endif
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test_fmpz_poly_getset_si()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long coeff, sign;
unsigned long coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
length = test_fmpz_poly->length;
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS-1);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(test_fmpz_poly->length);
#if DEBUG
printf("Index = %ld, bits = %ld, coeff = %ld\n", coeff_num, coeff_bits, coeff);
#endif
if (randint(2)) sign = -1L; else sign = 1L;
coeff = sign*coeff;
if (test_fmpz_poly->length)
{
fmpz_poly_set_coeff_si(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
result = ((fmpz_poly_get_coeff_si(test_fmpz_poly, coeff_num) == coeff) && (_fmpz_poly_get_coeff_ui(test_fmpz_poly, coeff_num) == sign*coeff));
}
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_get_coeff_ptr()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long coeff, sign;
unsigned long coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS-1);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(length);
#if DEBUG
printf("Index = %ld, bits = %ld, coeff = %ld\n", coeff_num, coeff_bits, coeff);
#endif
if (randint(2)) sign = -1L; else sign = 1L;
coeff = sign*coeff;
_fmpz_poly_set_coeff_si(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
if (coeff == 0) sign = 0;
result = (_fmpz_poly_get_coeff_ptr(test_fmpz_poly, coeff_num)[0] == sign);
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test_fmpz_poly_get_coeff_ptr()
{
mpz_poly_t test_poly;
fmpz_poly_t test_fmpz_poly;
int result = 1;
unsigned long bits, length;
long coeff, sign;
unsigned long coeff_bits, coeff_num;
mpz_poly_init(test_poly);
unsigned long count1;
for (count1 = 1; (count1 < 200) && (result == 1) ; count1++)
{
bits = random_ulong(1000)+ 1;
fmpz_poly_init2(test_fmpz_poly, 1, (bits-1)/FLINT_BITS+1);
unsigned long count2;
for (count2 = 0; (count2 < 10) && (result == 1); count2++)
{
length = random_ulong(1000)+1;
#if DEBUG
printf("length = %ld, bits = %ld\n",length, bits);
#endif
fmpz_poly_fit_length(test_fmpz_poly, length);
do
{
randpoly(test_poly, length, bits);
mpz_poly_to_fmpz_poly(test_fmpz_poly, test_poly);
} while (test_fmpz_poly->length == 0);
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_bits = randint(FLINT_BITS-1);
if (coeff_bits == 0) coeff = 0;
else coeff = gmp_urandomb_ui(randstate, coeff_bits);
coeff_num = randint(test_fmpz_poly->length);
#if DEBUG
printf("Length = %ld, index = %ld, bits = %ld, coeff = %ld\n", test_fmpz_poly->length, coeff_num, coeff_bits, coeff);
#endif
if (randint(2)) sign = -1L; else sign = 1L;
coeff = sign*coeff;
_fmpz_poly_set_coeff_si(test_fmpz_poly, coeff_num, coeff);
fmpz_poly_check_normalisation(test_fmpz_poly);
if (coeff == 0) sign = 0;
fmpz_t coeff_ptr = fmpz_poly_get_coeff_ptr(test_fmpz_poly, coeff_num);
if (coeff_ptr != NULL) result = (coeff_ptr[0] == sign);
}
if (test_fmpz_poly->length)
{
unsigned long count3;
for (count3 = 1; (count3 < 1000) && result == 1; count3++)
{
coeff_num = randint(test_fmpz_poly->length)+test_fmpz_poly->length;
result = (fmpz_poly_get_coeff_ptr(test_fmpz_poly, coeff_num) == NULL);
}
}
}
fmpz_poly_clear(test_fmpz_poly);
}
mpz_poly_clear(test_poly);
return result;
}
int test__fmpz_poly_normalise()
{
mpz_poly_t test_poly;