flint-sys 0.9.0

Bindings to the FLINT C library
Documentation 
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/*
    Copyright (C) 2024 Fredrik Johansson
    Copyright (C) 2025 Andrii Yanovets

    This file is part of FLINT.

    FLINT 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 3 of the License, or
    (at your option) any later version.  See <https://www.gnu.org/licenses/>.
*/

#include "test_helpers.h"
#include "fmpz_mod_mpoly_q.h"

TEST_FUNCTION_START(fmpz_mod_mpoly_q_get_set_str, state)
{
    slong iter;

    for (iter = 0; iter < 1000 * 0.1 * flint_test_multiplier(); iter++)
    {
        fmpz_mod_mpoly_ctx_t ctx;
        fmpz_mod_mpoly_q_t A, B;
        char * s;
        char * vars[] = { "x", "y", "z", "t", "u" };
        int use_vars, ok;

        fmpz_t m;

        fmpz_init(m);
        fmpz_randtest_unsigned(m, state, 200);
        fmpz_add_ui(m, m, 2);
        fmpz_nextprime(m, m, 0);
        fmpz_mod_mpoly_ctx_init(ctx, 1 + n_randint(state, 4), ORD_LEX, m);
        fmpz_mod_mpoly_q_init(A, ctx);
        fmpz_mod_mpoly_q_init(B, ctx);

        fmpz_mod_mpoly_q_randtest(A, state, 10, 5, ctx);
        fmpz_mod_mpoly_q_randtest(B, state, 10, 5, ctx);
        use_vars = n_randint(state, 2);

        s = fmpz_mod_mpoly_q_get_str_pretty(A, use_vars ? (const char **) vars : NULL, ctx);
        ok = !fmpz_mod_mpoly_q_set_str_pretty(B, s, use_vars ? (const char **) vars : NULL, ctx);
        ok = ok && fmpz_mod_mpoly_q_equal(A, B, ctx);

        if (!ok)
        {
            flint_printf("FAIL\n");
            flint_printf("A = "); fmpz_mod_mpoly_q_print_pretty(A, NULL, ctx); flint_printf("\n\n");
            flint_printf("B = "); fmpz_mod_mpoly_q_print_pretty(B, NULL, ctx); flint_printf("\n\n");
            flint_printf("mod = "); fmpz_print(ctx->ffinfo->n); flint_printf("\n\n");
            flint_abort();
        }

        flint_free(s);
        fmpz_clear(m);
        fmpz_mod_mpoly_q_clear(A, ctx);
        fmpz_mod_mpoly_q_clear(B, ctx);
        fmpz_mod_mpoly_ctx_clear(ctx);
    }

    TEST_FUNCTION_END(state);
}