mirror of
https://github.com/vale981/arb
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77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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ARB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ARB; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2012 Fredrik Johansson
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******************************************************************************/
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#include "arf.h"
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void
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arf_print(const arf_t x)
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{
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if (arf_is_normal(x))
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{
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fmpz_t man, exp;
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fmpz_init(man);
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fmpz_init(exp);
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arf_get_fmpz_2exp(man, exp, x);
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flint_printf("(");
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fmpz_print(man);
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flint_printf(" * 2^");
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fmpz_print(exp);
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flint_printf(")");
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fmpz_clear(man);
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fmpz_clear(exp);
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}
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else
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{
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if (arf_is_zero(x)) flint_printf("(0)");
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else if (arf_is_pos_inf(x)) flint_printf("(+inf)");
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else if (arf_is_neg_inf(x)) flint_printf("(-inf)");
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else flint_printf("(nan)");
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}
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}
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void
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arf_printd(const arf_t x, slong d)
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{
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if (arf_is_finite(x) && (ARF_EXP(x) <= MPFR_EMIN_MIN + 1 ||
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ARF_EXP(x) >= MPFR_EMAX_MAX - 1))
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{
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arf_print(x);
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}
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else
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{
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mpfr_t t;
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mpfr_init2(t, d * 3.33 + 10);
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mpfr_set_emin(MPFR_EMIN_MIN);
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mpfr_set_emax(MPFR_EMAX_MAX);
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arf_get_mpfr(t, x, MPFR_RNDN);
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mpfr_printf("%.*Rg", FLINT_MAX(d, 1), t);
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mpfr_clear(t);
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}
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}
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