int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("sqrt_series....");
fflush(stdout);
/* Check aliasing of a and c */
for (i = 0; i < 50 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
slong n = n_randint(state, 50) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
fmpq_poly_set_coeff_ui(a, 0, UWORD(1));
fmpq_poly_canonicalise(a);
fmpq_poly_sqrt_series(b, a, n);
fmpq_poly_sqrt_series(a, a, n);
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:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check sqrt(a)^2 = a */
for (i = 0; i < 50 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b, c;
slong n = n_randint(state, 80) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 80) + 1, 80);
fmpq_poly_set_coeff_ui(a, 0, UWORD(1));
fmpq_poly_sqrt_series(b, a, n);
fmpq_poly_mullow(c, b, b, n);
fmpq_poly_truncate(a, n);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
result = (fmpq_poly_equal(c, a) && !cflags);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("a = "), fmpq_poly_debug(a), flint_printf("\n\n");
flint_printf("b = "), fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("c = "), fmpq_poly_debug(c), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int main(void)
{
int i, j, n = 1000, result;
flint_rand_t state;
FILE *in, *out;
int fd[2];
pid_t childpid;
printf("print/ read....");
fflush(stdout);
flint_randinit(state);
/* Randomise n polynomials, write to and read from a pipe */
{
fmpq_poly_t *a;
a = flint_malloc(n * sizeof(fmpq_poly_t));
for (i = 0; i < n; i++)
{
fmpq_poly_init(a[i]);
fmpq_poly_randtest(a[i], state, 100, 100);
}
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 */
{
int 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 = fmpq_poly_fprint(out, a[j]);
if ((j < n - 1) && (r > 0))
r = fprintf(out, "\n");
if (r <= 0)
{
printf("FAIL:\n");
printf("Write error.\n");
abort();
}
}
fclose(out);
exit(0);
}
else /* Parent process */
{
int r;
fmpq_poly_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();
}
fmpq_poly_init(t);
i = 0;
while (!feof(in))
{
r = fmpq_poly_fread(in, t);
if (r <= 0)
{
printf("FAIL:\n");
printf("Read error.\n");
abort();
}
result = fmpq_poly_equal(t, a[i]);
if (!result)
{
printf("FAIL:\n");
printf("a[i] = "), fmpq_poly_debug(a[i]), printf("\n");
printf("t = "), fmpq_poly_debug(t), printf("\n");
abort();
}
++i;
}
fmpq_poly_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++)
fmpq_poly_clear(a[i]);
flint_free(a);
}
/* Write bad data to a pipe and read it */
{
char str[5] = {'b', 'l', 'a', 'h', '\0'};
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 */
{
int 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();
}
r = fprintf(out, "blah");
if (r <= 0)
{
printf("FAIL:\n");
printf("Write error.\n");
abort();
}
fclose(out);
exit(0);
}
else /* Parent process */
{
int r;
fmpq_poly_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();
}
fmpq_poly_init(t);
i = 0;
while (!feof(in))
{
r = fmpq_poly_fread(in, t);
if (r > 0)
{
printf("FAIL:\n");
printf("r = %d\n", r);
abort();
}
++i;
}
fmpq_poly_clear(t);
fclose(in);
}
/* For {'b','l','a','h','\0'} we expect 5 reads */
if (i != 5)
{
printf("FAIL:\n");
printf("Carried out %d reads, but \"%s\" has only 4 characters.\n", i, str);
abort();
}
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return EXIT_SUCCESS;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("add....");
fflush(stdout);
/* Check aliasing of a and c */
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), 200);
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
fmpq_poly_add(c, a, b);
fmpq_poly_add(a, a, b);
cflags |= fmpq_poly_is_canonical(a) ? 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");
fmpq_poly_debug(c), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Check aliasing of b and c */
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), 200);
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
fmpq_poly_add(c, a, b);
fmpq_poly_add(b, a, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
flint_printf("FAIL:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
fmpq_poly_debug(c), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int i, j, result;
ulong cflags = UWORD(0);
mpq_t n1, n2;
FLINT_TEST_INIT(state);
flint_printf("get/set_coeff_fmpz....");
fflush(stdout);
mpq_init(n1);
mpq_init(n2);
for (i = 0; i < 100 * flint_test_multiplier(); i++)
{
fmpq_poly_t a;
fmpz_t x1, x2;
slong coeff, len;
fmpq_poly_init(a);
fmpz_init(x1);
fmpz_init(x2);
len = (slong) (n_randint(state, 100) + 1);
for (j = 0; j < 100; j++)
{
fmpz_randtest(x1, state, 200);
fmpz_get_mpz(mpq_numref(n1), x1);
flint_mpz_set_si(mpq_denref(n1), 1);
coeff = (slong) n_randint(state, len);
fmpq_poly_set_coeff_fmpz(a, coeff, x1);
fmpq_poly_get_coeff_mpq(n2, a, coeff);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
result = (mpq_equal(n1, n2) && !cflags);
if (!result)
{
flint_printf("FAIL:\n\n");
flint_printf("a = "), fmpq_poly_debug(a), flint_printf("\n\n");
flint_printf("coeff = %wd\n\n", coeff);
flint_printf("len = %wd\n\n", len);
flint_printf("cflags = %wu\n\n", cflags);
gmp_printf("n1 = %Qd\n\n", n1);
gmp_printf("n2 = %Qd\n\n", n2);
abort();
}
}
fmpz_clear(x1);
fmpz_clear(x2);
fmpq_poly_clear(a);
}
mpq_clear(n1);
mpq_clear(n2);
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("asinh_series....");
fflush(stdout);
/* Check aliasing of a and c */
for (i = 0; i < 20 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
slong n = n_randint(state, 50) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
fmpq_poly_set_coeff_ui(a, 0, UWORD(0));
fmpq_poly_canonicalise(a);
fmpq_poly_asinh_series(b, a, n);
fmpq_poly_asinh_series(a, a, n);
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:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check asinh(A) = atanh(A/sqrt(1+A^2)) */
for (i = 0; i < 20 * flint_test_multiplier(); i++)
{
fmpq_poly_t A, B, asinhA, atanhB;
slong n = n_randint(state, 80) + 1;
fmpq_poly_init(A);
fmpq_poly_init(B);
fmpq_poly_init(asinhA);
fmpq_poly_init(atanhB);
fmpq_poly_randtest_not_zero(A, state, n_randint(state, 80) + 1, 80);
fmpq_poly_set_coeff_ui(A, 0, UWORD(0));
fmpq_poly_mullow(B, A, A, n);
fmpq_poly_set_coeff_ui(B, 0, UWORD(1));
fmpq_poly_invsqrt_series(B, B, n);
fmpq_poly_mullow(B, A, B, n);
fmpq_poly_asinh_series(asinhA, A, n);
fmpq_poly_atanh_series(atanhB, B, n);
cflags |= fmpq_poly_is_canonical(asinhA) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(atanhB) ? 0 : 2;
result = (fmpq_poly_equal(asinhA, atanhB) && !cflags);
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("A = "), fmpq_poly_debug(A), flint_printf("\n\n");
flint_printf("B = "), fmpq_poly_debug(B), flint_printf("\n\n");
flint_printf("asinh(A) = "), fmpq_poly_debug(asinhA), flint_printf("\n\n");
flint_printf("atanh(B) = "), fmpq_poly_debug(atanhB), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(A);
fmpq_poly_clear(B);
fmpq_poly_clear(asinhA);
fmpq_poly_clear(atanhB);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("derivative....");
fflush(stdout);
/* Check aliasing */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_derivative(b, a);
fmpq_poly_derivative(a, a);
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:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check constants have derivative zero */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest(a, state, n_randint(state, 2), 200);
fmpq_poly_derivative(b, a);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
result = fmpq_poly_is_zero(b) && !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);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check (f g)' = f' g + f g' */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b, c, d, lhs, rhs;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(d);
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_mul(lhs, a, b);
fmpq_poly_derivative(lhs, lhs);
fmpq_poly_derivative(c, a);
fmpq_poly_derivative(d, b);
fmpq_poly_mul(c, c, b);
fmpq_poly_mul(d, a, d);
fmpq_poly_add(rhs, c, d);
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:\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(d);
fmpq_poly_clear(lhs);
fmpq_poly_clear(rhs);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
flint_rand_t state;
ulong cflags = 0UL;
printf("scalar_div_ui....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of a and b */
for (i = 0; i < 10000; i++)
{
fmpq_poly_t a, b;
ulong n = n_randtest_not_zero(state);
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_scalar_div_ui(b, a, n);
fmpq_poly_scalar_div_ui(a, a, n);
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)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check (a / n1) / n2 = a / (n1 * n2) */
for (i = 0; i < 10000; i++)
{
fmpq_poly_t a, b, c;
ulong n1 = n_randbits(state, FLINT_BITS / 2);
ulong n2 = n_randbits(state, FLINT_BITS / 2);
if (n1 == 0UL)
n1 = 1UL;
if (n2 == 0UL)
n2 = 1UL;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_scalar_div_ui(b, a, n1);
fmpq_poly_scalar_div_ui(c, b, n2);
fmpq_poly_scalar_div_ui(b, a, n1 * n2);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf(" n1 = %lu, n2 = %lu:\n\n", n1, n2);
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int cflags = 0, i, result;
flint_rand_t state;
printf("xgcd....");
fflush(stdout);
flint_randinit(state);
/* Generic case, where a and b are coprime *******************************/
/* Verify d == s a + t b */
for (i = 0; i < 100; i++)
{
fmpq_poly_t a, b, d, e, f, s, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(d);
fmpq_poly_init(e);
fmpq_poly_init(f);
fmpq_poly_init(s);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 60), 80);
fmpq_poly_randtest(b, state, n_randint(state, 60), 80);
fmpq_poly_xgcd(d, s, t, a, b);
fmpq_poly_mul(e, s, a);
fmpq_poly_mul(f, t, b);
fmpq_poly_add(e, e, f);
cflags |= fmpq_poly_is_canonical(d) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(s) ? 0 : 2;
cflags |= fmpq_poly_is_canonical(t) ? 0 : 4;
result = (fmpq_poly_equal(d, e) && !cflags);
if (!result)
{
printf("FAIL (correctness #1):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(d), printf("\n\n");
fmpq_poly_debug(s), printf("\n\n");
fmpq_poly_debug(t), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(d);
fmpq_poly_clear(e);
fmpq_poly_clear(f);
fmpq_poly_clear(s);
fmpq_poly_clear(t);
}
/* Verify consistency with GCD */
for (i = 0; i < 100; i++)
{
fmpq_poly_t a, b, d, s, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(d);
fmpq_poly_init(s);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 60), 80);
fmpq_poly_randtest(b, state, n_randint(state, 60), 80);
fmpq_poly_xgcd(d, s, t, a, b);
fmpq_poly_gcd(a, a, b);
cflags |= fmpq_poly_is_canonical(d) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(s) ? 0 : 2;
cflags |= fmpq_poly_is_canonical(t) ? 0 : 4;
result = (fmpq_poly_equal(d, a) && !cflags);
if (!result)
{
printf("FAIL (GCD #1):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(d), printf("\n\n");
fmpq_poly_debug(s), printf("\n\n");
fmpq_poly_debug(t), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(d);
fmpq_poly_clear(s);
fmpq_poly_clear(t);
}
/* Generic case when a, b are most likely co-prime ***********************/
/* Verify d == s a + t b */
for (i = 0; i < 100; i++)
{
fmpq_poly_t a, b, d, s, t, z;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(d);
fmpq_poly_init(s);
fmpq_poly_init(t);
fmpq_poly_init(z);
fmpq_poly_randtest(a, state, n_randint(state, 60), 80);
fmpq_poly_randtest(b, state, n_randint(state, 60), 80);
fmpq_poly_randtest(z, state, n_randint(state, 20), 20);
fmpq_poly_mul(a, a, z);
fmpq_poly_mul(b, b, z);
fmpq_poly_xgcd(d, s, t, a, b);
fmpq_poly_mul(a, s, a);
fmpq_poly_mul(b, t, b);
fmpq_poly_add(a, a, b);
cflags |= fmpq_poly_is_canonical(d) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(s) ? 0 : 2;
cflags |= fmpq_poly_is_canonical(t) ? 0 : 4;
result = (fmpq_poly_equal(d, a) && !cflags);
if (!result)
{
printf("FAIL (correctness #2):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(d), printf("\n\n");
fmpq_poly_debug(s), printf("\n\n");
fmpq_poly_debug(t), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(d);
fmpq_poly_clear(s);
fmpq_poly_clear(t);
fmpq_poly_clear(z);
}
/* Verify consistency with GCD */
for (i = 0; i < 100; i++)
{
fmpq_poly_t a, b, d, s, t, z;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(d);
fmpq_poly_init(s);
fmpq_poly_init(t);
fmpq_poly_init(z);
fmpq_poly_randtest(a, state, n_randint(state, 60), 80);
fmpq_poly_randtest(b, state, n_randint(state, 60), 80);
fmpq_poly_randtest(z, state, n_randint(state, 20), 20);
fmpq_poly_mul(a, a, z);
fmpq_poly_mul(b, b, z);
fmpq_poly_xgcd(d, s, t, a, b);
fmpq_poly_gcd(a, a, b);
cflags |= fmpq_poly_is_canonical(d) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(s) ? 0 : 2;
cflags |= fmpq_poly_is_canonical(t) ? 0 : 4;
result = (fmpq_poly_equal(d, a) && !cflags);
if (!result)
{
printf("FAIL (GCD #2):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(d), printf("\n\n");
fmpq_poly_debug(s), printf("\n\n");
fmpq_poly_debug(t), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(d);
fmpq_poly_clear(s);
fmpq_poly_clear(t);
fmpq_poly_clear(z);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
flint_rand_t state;
ulong cflags = 0UL;
printf("sinh_series....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of a and c */
for (i = 0; i < 200; i++)
{
fmpq_poly_t a, b;
long n = n_randint(state, 50) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
fmpq_poly_set_coeff_ui(a, 0, 0UL);
fmpq_poly_canonicalise(a);
fmpq_poly_sinh_series(b, a, n);
fmpq_poly_sinh_series(a, a, n);
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)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check asinh(sinh(a)) = a */
for (i = 0; i < 200; i++)
{
fmpq_poly_t a, sinha, asinhsinha;
long n = n_randint(state, 80) + 1;
fmpq_poly_init(a);
fmpq_poly_init(sinha);
fmpq_poly_init(asinhsinha);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 60) + 1, 80);
fmpq_poly_set_coeff_ui(a, 0, 0UL);
fmpq_poly_sinh_series(sinha, a, n);
fmpq_poly_asinh_series(asinhsinha, sinha, n);
fmpq_poly_truncate(a, n);
cflags |= fmpq_poly_is_canonical(sinha) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(asinhsinha) ? 0 : 2;
result = (fmpq_poly_equal(asinhsinha, a) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("sinh(a) = "), fmpq_poly_debug(sinha), printf("\n\n");
printf("asinh(sinh(a)) = "), fmpq_poly_debug(asinhsinha), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(sinha);
fmpq_poly_clear(asinhsinha);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
flint_rand_t state;
ulong cflags = 0UL;
printf("exp_series....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of a and c */
for (i = 0; i < 200; i++)
{
fmpq_poly_t a, b;
long n = n_randint(state, 50) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 50) + 1, 50);
fmpq_poly_set_coeff_ui(a, 0, 0UL);
fmpq_poly_canonicalise(a);
fmpq_poly_exp_series(b, a, n);
fmpq_poly_exp_series(a, a, n);
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)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Check exp(a+b) = exp(a) * exp(b) */
for (i = 0; i < 500; i++)
{
fmpq_poly_t a, b, ab, expa, expb, expab, expa_expb;
long n = n_randint(state, 80) + 1;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(ab);
fmpq_poly_init(expa);
fmpq_poly_init(expb);
fmpq_poly_init(expab);
fmpq_poly_init(expa_expb);
fmpq_poly_randtest_not_zero(a, state, n_randint(state, 60) + 1, 80);
fmpq_poly_set_coeff_ui(a, 0, 0UL);
fmpq_poly_randtest_not_zero(b, state, n_randint(state, 60) + 1, 80);
fmpq_poly_set_coeff_ui(b, 0, 0UL);
fmpq_poly_add(ab, a, b);
fmpq_poly_exp_series(expab, ab, n);
fmpq_poly_exp_series(expa, a, n);
fmpq_poly_exp_series(expb, b, n);
fmpq_poly_mullow(expa_expb, expa, expb, n);
cflags |= fmpq_poly_is_canonical(expa) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(expb) ? 0 : 2;
cflags |= fmpq_poly_is_canonical(expab) ? 0 : 4;
result = (fmpq_poly_equal(expab, expa_expb) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("b = "), fmpq_poly_debug(b), printf("\n\n");
printf("exp(a) = "), fmpq_poly_debug(expa), printf("\n\n");
printf("exp(b) = "), fmpq_poly_debug(expb), printf("\n\n");
printf("exp(ab) = "), fmpq_poly_debug(expab), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(ab);
fmpq_poly_clear(expa);
fmpq_poly_clear(expb);
fmpq_poly_clear(expab);
fmpq_poly_clear(expa_expb);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
flint_rand_t state;
printf("evaluate_fmpq....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing */
for (i = 0; i < 1000; i++)
{
fmpz_t a, b;
fmpq_t x, y;
fmpq_poly_t f;
fmpz_init(a);
fmpz_init(b);
fmpq_init(x);
fmpq_init(y);
fmpq_poly_init(f);
fmpq_poly_randtest(f, state, n_randint(state, 80), 100);
fmpz_randtest(a, state, 80);
fmpz_randtest_not_zero(b, state, 80);
fmpz_set(fmpq_numref(x), a);
fmpz_set(fmpq_denref(x), a);
fmpq_canonicalise(x);
fmpq_poly_evaluate_fmpq(y, f, x);
fmpq_poly_evaluate_fmpq(x, f, x);
result = (fmpq_equal(x, y));
if (!result)
{
printf("FAIL:\n");
fmpz_print(a), printf("\n\n");
fmpz_print(b), printf("\n\n");
fmpq_poly_debug(f), printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
fmpq_clear(x);
fmpq_clear(y);
fmpq_poly_clear(f);
}
/* Check that (f+g)(a) = f(a) + g(a) */
for (i = 0; i < 1000; i++)
{
fmpz_t a, b;
fmpq_t x, y, z;
fmpq_poly_t f, g;
fmpz_init(a);
fmpz_init(b);
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_randtest(f, state, n_randint(state, 80), 100);
fmpq_poly_randtest(g, state, n_randint(state, 80), 100);
fmpz_randtest(a, state, 80);
fmpz_randtest_not_zero(b, state, 80);
fmpz_set(fmpq_numref(x), a);
fmpz_set(fmpq_denref(x), a);
fmpq_canonicalise(x);
fmpq_poly_evaluate_fmpq(y, f, x);
fmpq_poly_evaluate_fmpq(z, g, x);
fmpq_add(y, y, z);
fmpq_poly_add(f, f, g);
fmpq_poly_evaluate_fmpq(z, f, x);
result = (fmpq_equal(y, z));
if (!result)
{
printf("FAIL:\n");
fmpz_print(a), printf("\n\n");
fmpz_print(b), printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
fmpq_poly_clear(f);
fmpq_poly_clear(g);
}
/* Check that (f*g)(a) = f(a) * g(a) */
for (i = 0; i < 1000; i++)
{
fmpz_t a, b;
fmpq_t x, y, z;
fmpq_poly_t f, g;
fmpz_init(a);
fmpz_init(b);
fmpq_init(x);
fmpq_init(y);
fmpq_init(z);
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_randtest(f, state, n_randint(state, 50), 80);
fmpq_poly_randtest(g, state, n_randint(state, 50), 80);
fmpz_randtest(a, state, 80);
fmpz_randtest_not_zero(b, state, 80);
fmpz_set(fmpq_numref(x), a);
fmpz_set(fmpq_denref(x), a);
fmpq_canonicalise(x);
fmpq_poly_evaluate_fmpq(y, f, x);
fmpq_poly_evaluate_fmpq(z, g, x);
fmpq_mul(y, y, z);
fmpq_poly_mul(f, f, g);
fmpq_poly_evaluate_fmpq(z, f, x);
result = (fmpq_equal(y, z));
if (!result)
{
printf("FAIL:\n");
fmpz_print(a), printf("\n\n");
fmpz_print(b), printf("\n\n");
abort();
}
fmpz_clear(a);
fmpz_clear(b);
fmpq_clear(x);
fmpq_clear(y);
fmpq_clear(z);
fmpq_poly_clear(f);
fmpq_poly_clear(g);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int cflags = 0, i, result;
flint_rand_t state;
printf("gcd....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of a and c */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_gcd(c, a, b);
fmpq_poly_gcd(a, a, b);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags);
if (!result)
{
printf("FAIL (aliasing a, c):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Check aliasing of b and c */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_gcd(c, a, b);
fmpq_poly_gcd(b, a, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
printf("FAIL (aliasing b, c):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Generic case when a, b are most likely co-prime ***********************/
/* Verify commutativity and that c is monic */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_gcd(c, a, b);
fmpq_poly_gcd(a, b, a);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags
&& (fmpq_poly_is_zero(c) || fmpq_poly_is_monic(c)));
if (!result)
{
printf("FAIL (commutativity #1):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Verify that GCD(a, b) divides a, b */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, c, r1, r2;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(r1);
fmpq_poly_init(r2);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_gcd(c, a, b);
if (!fmpq_poly_is_zero(c))
{
fmpq_poly_rem(r1, a, c);
fmpq_poly_rem(r2, b, c);
}
result = fmpq_poly_is_zero(r1) && fmpq_poly_is_zero(r2);
if (!result)
{
printf("FAIL (division #1):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(r1);
fmpq_poly_clear(r2);
}
/* Case when a, b are not co-prime ***************************************/
/* Verify commutativity and that c is monic */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, c, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_randtest(t, state, n_randint(state, 50), 20);
fmpq_poly_mul(a, a, t);
fmpq_poly_mul(b, b, t);
fmpq_poly_gcd(c, a, b);
fmpq_poly_gcd(a, b, a);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags
&& (fmpq_poly_is_zero(c) || fmpq_poly_is_monic(c)));
if (!result)
{
printf("FAIL (commutativity #2):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(t);
}
/* Verify that GCD(a, b) divides a, b */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, c, r1, r2, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(r1);
fmpq_poly_init(r2);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_randtest(t, state, n_randint(state, 50), 20);
fmpq_poly_mul(a, a, t);
fmpq_poly_mul(b, b, t);
fmpq_poly_gcd(c, a, b);
if (!fmpq_poly_is_zero(c))
{
fmpq_poly_rem(r1, a, c);
fmpq_poly_rem(r2, b, c);
}
result = fmpq_poly_is_zero(r1) && fmpq_poly_is_zero(r2);
if (!result)
{
printf("FAIL (division #2):\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(r1);
fmpq_poly_clear(r2);
fmpq_poly_clear(t);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, j, result;
flint_rand_t state;
ulong cflags = 0UL;
mpq_t n1, n2;
printf("get/set_coeff_mpz....");
fflush(stdout);
mpq_init(n1);
mpq_init(n2);
flint_randinit(state);
for (i = 0; i < 1000UL; i++)
{
fmpq_poly_t a;
fmpz_t x1, x2;
long coeff, len;
fmpq_poly_init(a);
fmpz_init(x1);
fmpz_init(x2);
len = (long) (n_randint(state, 100) + 1);
for (j = 0; j < 1000; j++)
{
fmpz_randtest(x1, state, 200);
fmpz_get_mpz(mpq_numref(n1), x1);
mpz_set_si(mpq_denref(n1), 1);
coeff = (long) n_randint(state, len);
fmpq_poly_set_coeff_mpz(a, coeff, mpq_numref(n1));
fmpq_poly_get_coeff_mpq(n2, a, coeff);
result = (mpq_equal(n1, n2));
if (!result)
{
printf("FAIL:\n\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("coeff = %ld\n\n", coeff);
printf("len = %ld\n\n", len);
printf("cflags = %lu\n\n", cflags);
gmp_printf("n1 = %Qd\n\n", n1);
gmp_printf("n2 = %Qd\n\n", n2);
abort();
}
}
fmpz_clear(x1);
fmpz_clear(x2);
fmpq_poly_clear(a);
}
mpq_clear(n1);
mpq_clear(n2);
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("scalar_div_fmpz....");
fflush(stdout);
/* Check aliasing of a and b */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
fmpz_t n;
fmpz_init(n);
fmpz_randtest_not_zero(n, state, 200);
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_scalar_div_fmpz(b, a, n);
fmpq_poly_scalar_div_fmpz(a, a, n);
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");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
fmpz_print(n);
abort();
}
fmpz_clear(n);
fmpq_poly_clear(a);
fmpq_poly_clear(b);
}
/* Compare with fmpq_poly_scalar_mul_si */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b, c;
fmpz_t n1;
slong n;
n = z_randtest_not_zero(state);
fmpz_init(n1);
fmpz_set_si(n1, n);
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_scalar_div_fmpz(b, a, n1);
fmpq_poly_scalar_div_si(c, a, n);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
flint_printf("FAIL (comparison with _si):\n");
fmpq_poly_debug(a), flint_printf("\n\n");
fmpz_print(n1), flint_printf("\n\n");
fmpq_poly_debug(b), flint_printf("\n\n");
fmpq_poly_debug(c), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpz_clear(n1);
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* 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 n1, n2, n;
fmpz_init(n1);
fmpz_init(n2);
fmpz_init(n);
fmpz_randtest_not_zero(n1, state, 100);
fmpz_randtest_not_zero(n2, state, 100);
fmpz_mul(n, n1, n2);
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_div_fmpz(lhs, a, n1);
fmpq_poly_scalar_div_fmpz(lhs, lhs, n2);
fmpq_poly_scalar_div_fmpz(rhs, a, n);
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");
fmpz_print(n1), flint_printf("\n\n");
fmpz_print(n2), flint_printf("\n\n");
fmpz_print(n), flint_printf("\n\n");
fmpq_poly_debug(lhs), flint_printf("\n\n");
fmpq_poly_debug(rhs), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpz_clear(n1);
fmpz_clear(n2);
fmpz_clear(n);
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 n;
fmpz_init(n);
fmpz_randtest_not_zero(n, state, 100);
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_div_fmpz(lhs, a, n);
fmpq_poly_scalar_div_fmpz(rhs, b, n);
fmpq_poly_add(rhs, lhs, rhs);
fmpq_poly_add(lhs, a, b);
fmpq_poly_scalar_div_fmpz(lhs, lhs, n);
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");
fmpz_print(n), flint_printf("\n\n");
fmpq_poly_debug(lhs), flint_printf("\n\n");
fmpq_poly_debug(rhs), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpz_clear(n);
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;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("scalar_div_fmpq....");
fflush(stdout);
/* Check aliasing of a and b */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpq_poly_t a, b;
fmpq_t z;
fmpq_init(z);
fmpq_randtest_not_zero(z, state, 100);
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_scalar_div_fmpq(b, a, z);
fmpq_poly_scalar_div_fmpq(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");
fmpq_print(z), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_clear(z);
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;
fmpq_t z1, z2, z;
fmpq_init(z1);
fmpq_init(z2);
fmpq_init(z);
fmpq_randtest_not_zero(z1, state, 100);
fmpq_randtest_not_zero(z2, state, 100);
fmpq_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_div_fmpq(lhs, a, z1);
fmpq_poly_scalar_div_fmpq(lhs, lhs, z2);
fmpq_poly_scalar_div_fmpq(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");
fmpq_print(z1), flint_printf("\n\n");
fmpq_print(z2), flint_printf("\n\n");
fmpq_print(z), flint_printf("\n\n");
fmpq_poly_debug(lhs), flint_printf("\n\n");
fmpq_poly_debug(rhs), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_clear(z1);
fmpq_clear(z2);
fmpq_clear(z);
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;
fmpq_t z;
fmpq_init(z);
fmpq_randtest_not_zero(z, state, 100);
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_div_fmpq(lhs, a, z);
fmpq_poly_scalar_div_fmpq(rhs, b, z);
fmpq_poly_add(rhs, lhs, rhs);
fmpq_poly_add(lhs, a, b);
fmpq_poly_scalar_div_fmpq(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");
fmpq_print(z), flint_printf("\n\n");
fmpq_poly_debug(lhs), flint_printf("\n\n");
fmpq_poly_debug(rhs), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_clear(z);
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;
}
int
main(void)
{
int i, result;
flint_rand_t state;
ulong cflags = 0UL;
printf("rem....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of r and a */
for (i = 0; i < 2000; i++)
{
fmpq_poly_t a, b, r;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(r);
fmpq_poly_randtest(a, state, n_randint(state, 50), 200);
fmpq_poly_randtest_not_zero(b, state, n_randint(state, 50) + 1, 200);
fmpq_poly_rem(r, a, b);
fmpq_poly_rem(a, a, b);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(r) ? 0 : 2;
result = (fmpq_poly_equal(r, a) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf("r = "), fmpq_poly_debug(r), printf("\n\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("b = "), fmpq_poly_debug(b), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(r);
}
/* Check aliasing of r and b */
for (i = 0; i < 2000; i++)
{
fmpq_poly_t a, b, r;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(r);
fmpq_poly_randtest(a, state, n_randint(state, 50), 200);
fmpq_poly_randtest_not_zero(b, state, n_randint(state, 50) + 1, 200);
fmpq_poly_rem(r, a, b);
fmpq_poly_rem(b, a, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(r) ? 0 : 2;
result = (fmpq_poly_equal(r, b) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf("r = "), fmpq_poly_debug(r), printf("\n\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("b = "), fmpq_poly_debug(b), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(r);
}
/* Compare with divrem */
for (i = 0; i < 2000; i++)
{
fmpq_poly_t a, b, q, r, r2;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(q);
fmpq_poly_init(r);
fmpq_poly_init(r2);
fmpq_poly_randtest(a, state, n_randint(state, 50), 200);
fmpq_poly_randtest_not_zero(b, state, n_randint(state, 50) + 1, 200);
fmpq_poly_divrem(q, r, a, b);
fmpq_poly_rem(r2, a, b);
cflags |= fmpq_poly_is_canonical(q) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(r2) ? 0 : 2;
result = (fmpq_poly_equal(r, r2) && !cflags);
if (!result)
{
printf("FAIL:\n");
printf("a = "), fmpq_poly_debug(a), printf("\n\n");
printf("b = "), fmpq_poly_debug(b), printf("\n\n");
printf("q = "), fmpq_poly_debug(q), printf("\n\n");
printf("r = "), fmpq_poly_debug(r), printf("\n\n");
printf("r2 = "), fmpq_poly_debug(r2), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(q);
fmpq_poly_clear(r);
fmpq_poly_clear(r2);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
FLINT_TEST_INIT(state);
flint_printf("evaluate_fmpz....");
fflush(stdout);
/* Check that (f+g)(a) = f(a) + g(a) */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz_t a;
fmpq_poly_t f, g, h;
fmpq_t x, y;
fmpq_init(x);
fmpq_init(y);
fmpz_init(a);
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_init(h);
fmpq_poly_randtest(f, state, n_randint(state, 100), 200);
fmpq_poly_randtest(g, state, n_randint(state, 100), 200);
fmpz_randtest(a, state, n_randint(state, 100));
fmpq_poly_evaluate_fmpz(x, f, a);
fmpq_poly_evaluate_fmpz(y, g, a);
fmpq_add(x, x, y);
fmpq_poly_add(h, f, g);
fmpq_poly_evaluate_fmpz(y, h, a);
result = (fmpq_equal(x, y));
if (!result)
{
flint_printf("FAIL:\n");
flint_printf("f = "), fmpq_poly_debug(f), flint_printf("\n");
flint_printf("g = "), fmpq_poly_debug(g), flint_printf("\n");
flint_printf("a = "), fmpz_print(a), flint_printf("\n");
flint_printf("f(a) + g(a) = "), fmpq_print(x), flint_printf("\n\n");
flint_printf("(f + g)(a) = "), fmpq_print(y), flint_printf("\n\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
fmpz_clear(a);
fmpq_poly_clear(f);
fmpq_poly_clear(g);
fmpq_poly_clear(h);
}
/* Check that (f*g)(a) = f(a) * g(a) */
for (i = 0; i < 1000 * flint_test_multiplier(); i++)
{
fmpz_t a;
fmpq_poly_t f, g;
fmpq_t x, y;
fmpq_init(x);
fmpq_init(y);
fmpz_init(a);
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_randtest(f, state, n_randint(state, 100), 200);
fmpq_poly_randtest(g, state, n_randint(state, 100), 200);
fmpz_randtest(a, state, n_randint(state, 100));
fmpq_poly_evaluate_fmpz(x, f, a);
fmpq_poly_evaluate_fmpz(y, g, a);
fmpq_mul(x, x, y);
fmpq_poly_mul(f, f, g);
fmpq_poly_evaluate_fmpz(y, f, a);
result = (fmpq_equal(x, y));
if (!result)
{
flint_printf("FAIL:\n");
fmpz_print(a), flint_printf("\n\n");
abort();
}
fmpq_clear(x);
fmpq_clear(y);
fmpz_clear(a);
fmpq_poly_clear(f);
fmpq_poly_clear(g);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
ulong cflags = UWORD(0);
FLINT_TEST_INIT(state);
flint_printf("compose....");
fflush(stdout);
/* Check aliasing of the first argument */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpq_poly_t f, g, h;
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_init(h);
fmpq_poly_randtest(g, state, n_randint(state, 50), 100);
fmpq_poly_randtest(h, state, n_randint(state, 20), 50);
fmpq_poly_compose(f, g, h);
fmpq_poly_compose(g, g, h);
cflags |= fmpq_poly_is_canonical(f) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(g) ? 0 : 2;
result = (fmpq_poly_equal(f, g) && !cflags);
if (!result)
{
flint_printf("FAIL (aliasing 1):\n");
fmpq_poly_debug(f), flint_printf("\n\n");
fmpq_poly_debug(g), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(f);
fmpq_poly_clear(g);
fmpq_poly_clear(h);
}
/* Check aliasing of the second argument */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpq_poly_t f, g, h;
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_init(h);
fmpq_poly_randtest(g, state, n_randint(state, 50), 100);
fmpq_poly_randtest(h, state, n_randint(state, 20), 50);
fmpq_poly_compose(f, g, h);
fmpq_poly_compose(h, g, h);
cflags |= fmpq_poly_is_canonical(f) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(h) ? 0 : 2;
result = (fmpq_poly_equal(f, h) && !cflags);
if (!result)
{
flint_printf("FAIL (aliasing 2):\n");
fmpq_poly_debug(f), flint_printf("\n\n");
fmpq_poly_debug(h), flint_printf("\n\n");
flint_printf("cflags = %wu\n\n", cflags);
abort();
}
fmpq_poly_clear(f);
fmpq_poly_clear(g);
fmpq_poly_clear(h);
}
/* Compare with the naive method for g(h(t)) */
for (i = 0; i < 10 * flint_test_multiplier(); i++)
{
fmpq_poly_t f, g, h, s, t, u;
mpq_t c;
slong k;
fmpq_poly_init(f);
fmpq_poly_init(g);
fmpq_poly_init(h);
fmpq_poly_init(s);
fmpq_poly_init(t);
fmpq_poly_init(u);
mpq_init(c);
fmpq_poly_randtest(g, state, n_randint(state, 20), 65);
fmpq_poly_randtest(h, state, n_randint(state, 20), 65);
fmpq_poly_zero(s);
fmpq_poly_set_ui(t, UWORD(1));
for (k = WORD(0); k < g->length; k++)
{
fmpq_poly_get_coeff_mpq(c, g, k);
fmpq_poly_scalar_mul_mpq(u, t, c);
fmpq_poly_add(s, s, u);
fmpq_poly_mul(t, t, h);
}
fmpq_poly_compose(f, g, h);
result = (fmpq_poly_equal(f, s));
if (!result)
{
flint_printf("FAIL (compare with naive):\n");
flint_printf("g = "), fmpq_poly_debug(g), flint_printf("\n\n");
flint_printf("h = "), fmpq_poly_debug(h), flint_printf("\n\n");
flint_printf("f = "), fmpq_poly_debug(f), flint_printf("\n\n");
flint_printf("s = "), fmpq_poly_debug(s), flint_printf("\n\n");
abort();
}
fmpq_poly_clear(f);
fmpq_poly_clear(g);
fmpq_poly_clear(h);
fmpq_poly_clear(s);
fmpq_poly_clear(t);
fmpq_poly_clear(u);
mpq_clear(c);
}
FLINT_TEST_CLEANUP(state);
flint_printf("PASS\n");
return 0;
}
int
main(void)
{
int cflags = 0, i, result;
flint_rand_t state;
printf("lcm....");
fflush(stdout);
flint_randinit(state);
/* Check aliasing of a and c */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_lcm(c, a, b);
fmpq_poly_lcm(a, a, b);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags);
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Check aliasing of b and c */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_lcm(c, a, b);
fmpq_poly_lcm(b, a, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Generic case when a, b are most likely co-prime ***********************/
/* Verify commutativity and that c is monic */
for (i = 0; i < 1000; 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), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_lcm(c, a, b);
fmpq_poly_lcm(a, b, a);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags
&& (fmpq_poly_is_zero(c) || fmpq_poly_is_monic(c)));
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Verify that LCM(a, b) GCD(a, b) == a b */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, lcm, gcd;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(lcm);
fmpq_poly_init(gcd);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_lcm(lcm, a, b);
fmpq_poly_gcd(gcd, a, b);
fmpq_poly_mul(lcm, lcm, gcd);
fmpq_poly_mul(a, a, b);
fmpq_poly_make_monic(a, a);
result = fmpq_poly_equal(lcm, a);
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(lcm), printf("\n\n");
fmpq_poly_debug(gcd), printf("\n\n");
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(lcm);
fmpq_poly_clear(gcd);
}
/* Case when a, b are not co-prime ***************************************/
/* Verify commutativity and that c is monic */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, c, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_randtest(t, state, n_randint(state, 50), 20);
fmpq_poly_mul(a, a, t);
fmpq_poly_mul(b, b, t);
fmpq_poly_lcm(c, a, b);
fmpq_poly_lcm(a, b, a);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags
&& (fmpq_poly_is_zero(c) || fmpq_poly_is_monic(c)));
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %d\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(t);
}
/* Verify that LCM(a, b) GCD(a, b) == a b */
for (i = 0; i < 1000; i++)
{
fmpq_poly_t a, b, lcm, gcd, t;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(lcm);
fmpq_poly_init(gcd);
fmpq_poly_init(t);
fmpq_poly_randtest(a, state, n_randint(state, 100), 100);
fmpq_poly_randtest(b, state, n_randint(state, 100), 100);
fmpq_poly_randtest(t, state, n_randint(state, 50), 20);
fmpq_poly_mul(a, a, t);
fmpq_poly_mul(b, b, t);
fmpq_poly_lcm(lcm, a, b);
fmpq_poly_gcd(gcd, a, b);
fmpq_poly_mul(lcm, lcm, gcd);
fmpq_poly_mul(a, a, b);
fmpq_poly_make_monic(a, a);
result = fmpq_poly_equal(lcm, a);
if (!result)
{
printf("FAIL:\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(lcm), printf("\n\n");
fmpq_poly_debug(gcd), printf("\n\n");
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(lcm);
fmpq_poly_clear(gcd);
fmpq_poly_clear(t);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}
int
main(void)
{
int i, result;
flint_rand_t state;
ulong cflags = 0UL;
printf("sub....");
fflush(stdout);
flint_randinit(state);
/* Check a - b = a + neg(b) */
for (i = 0; i < 10000; i++)
{
fmpq_poly_t a, b, c, d;
fmpq_poly_init(a);
fmpq_poly_init(b);
fmpq_poly_init(c);
fmpq_poly_init(d);
fmpq_poly_randtest(a, state, n_randint(state, 100), 200);
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
fmpq_poly_sub(c, a, b);
fmpq_poly_neg(b, b);
fmpq_poly_add(d, a, b);
cflags |= fmpq_poly_is_canonical(c) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(d) ? 0 : 2;
result = (fmpq_poly_equal(c, d) && !cflags);
if (!result)
{
printf("FAIL:\n\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
fmpq_poly_debug(d), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
fmpq_poly_clear(d);
}
/* Check aliasing of a and c */
for (i = 0; i < 10000; 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), 200);
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
fmpq_poly_sub(c, a, b);
fmpq_poly_sub(a, a, b);
cflags |= fmpq_poly_is_canonical(a) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(a, c) && !cflags);
if (!result)
{
printf("FAIL:\n\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
/* Check aliasing of b and c */
for (i = 0; i < 10000; 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), 200);
fmpq_poly_randtest(b, state, n_randint(state, 100), 200);
fmpq_poly_sub(c, a, b);
fmpq_poly_sub(b, a, b);
cflags |= fmpq_poly_is_canonical(b) ? 0 : 1;
cflags |= fmpq_poly_is_canonical(c) ? 0 : 2;
result = (fmpq_poly_equal(b, c) && !cflags);
if (!result)
{
printf("FAIL:\n\n");
fmpq_poly_debug(a), printf("\n\n");
fmpq_poly_debug(b), printf("\n\n");
fmpq_poly_debug(c), printf("\n\n");
printf("cflags = %lu\n\n", cflags);
abort();
}
fmpq_poly_clear(a);
fmpq_poly_clear(b);
fmpq_poly_clear(c);
}
flint_randclear(state);
_fmpz_cleanup();
printf("PASS\n");
return 0;
}