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/*
Copyright (C) 2020, 2021 Fredrik Johansson
This file is part of Calcium.
Calcium is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version. See <http://www.gnu.org/licenses/>.
*/
#include "ca_poly.h"
void
ca_poly_randtest_same_nf(ca_poly_t res, flint_rand_t state, const ca_t x, slong len, slong bits, slong den_bits, ca_ctx_t ctx)
{
slong i;
fmpz_t t;
ca_poly_fit_length(res, len, ctx);
for (i = 0; i < len; i++)
ca_randtest_same_nf(res->coeffs + i, state, x, bits, 1, ctx);
_ca_poly_set_length(res, len, ctx);
_ca_poly_normalise(res, ctx);
fmpz_init(t);
fmpz_randtest_not_zero(t, state, den_bits);
ca_poly_div_fmpz(res, res, t, ctx);
fmpz_clear(t);
}
int main()
{
slong iter;
flint_rand_t state;
flint_printf("mul....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 300 * calcium_test_multiplier(); iter++)
{
ca_ctx_t ctx;
ca_poly_t A, B, C, ABC, AB, AC, ABAC;
/* Test A*(B+C) = A*B + A*C */
ca_ctx_init(ctx);
ca_poly_init(A, ctx);
ca_poly_init(B, ctx);
ca_poly_init(C, ctx);
ca_poly_init(ABC, ctx);
ca_poly_init(AB, ctx);
ca_poly_init(AC, ctx);
ca_poly_init(ABAC, ctx);
if (n_randint(state, 2))
{
ca_poly_randtest(A, state, 4, 2, 10, ctx);
ca_poly_randtest(B, state, 4, 2, 10, ctx);
ca_poly_randtest(C, state, 4, 2, 10, ctx);
}
else
{
qqbar_t t;
ca_t x;
qqbar_init(t);
ca_init(x, ctx);
qqbar_randtest(t, state, 8, 10);
ca_set_qqbar(x, t, ctx);
ca_poly_randtest_same_nf(A, state, x, 1 + n_randint(state, 20), 2 + n_randint(state, 100), 2 + n_randint(state, 100), ctx);
ca_poly_randtest_same_nf(B, state, x, 1 + n_randint(state, 20), 2 + n_randint(state, 100), 2 + n_randint(state, 100), ctx);
ca_poly_randtest_same_nf(C, state, x, 1 + n_randint(state, 20), 2 + n_randint(state, 100), 2 + n_randint(state, 100), ctx);
qqbar_clear(t);
ca_clear(x, ctx);
}
ca_poly_randtest(ABC, state, 4, 2, 10, ctx);
ca_poly_randtest(AB, state, 4, 2, 10, ctx);
ca_poly_randtest(AC, state, 4, 2, 10, ctx);
ca_poly_randtest(ABAC, state, 4, 2, 10, ctx);
ca_poly_add(ABC, B, C, ctx);
if (n_randint(state, 2))
ca_poly_mul(ABC, A, ABC, ctx);
else
ca_poly_mul(ABC, ABC, A, ctx);
ca_poly_mul(AB, A, B, ctx);
ca_poly_mul(AC, A, C, ctx);
ca_poly_add(ABAC, AB, AC, ctx);
if (ca_poly_check_equal(ABC, ABAC, ctx) == T_FALSE)
{
flint_printf("FAIL\n\n");
flint_printf("A = "); ca_poly_print(A, ctx); flint_printf("\n");
flint_printf("B = "); ca_poly_print(B, ctx); flint_printf("\n");
flint_printf("C = "); ca_poly_print(C, ctx); flint_printf("\n");
flint_printf("ABC = "); ca_poly_print(ABC, ctx); flint_printf("\n");
flint_printf("ABAC = "); ca_poly_print(ABAC, ctx); flint_printf("\n");
flint_abort();
}
/* Test A^2 = A * A */
ca_poly_set(B, A, ctx);
ca_poly_mul(AB, A, B, ctx);
ca_poly_mul(AC, A, A, ctx);
if (ca_poly_check_equal(AB, AC, ctx) == T_FALSE)
{
flint_printf("FAIL (squaring)\n\n");
flint_printf("A = "); ca_poly_print(A, ctx); flint_printf("\n");
flint_printf("AB = "); ca_poly_print(AB, ctx); flint_printf("\n");
flint_printf("AC = "); ca_poly_print(AC, ctx); flint_printf("\n");
flint_abort();
}
ca_poly_clear(A, ctx);
ca_poly_clear(B, ctx);
ca_poly_clear(C, ctx);
ca_poly_clear(ABC, ctx);
ca_poly_clear(AB, ctx);
ca_poly_clear(AC, ctx);
ca_poly_clear(ABAC, ctx);
ca_ctx_clear(ctx);
}
flint_randclear(state);
flint_cleanup();
flint_printf("PASS\n");
return EXIT_SUCCESS;
}
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