mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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Copyright (C) 2012 Fredrik Johansson
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Copyright (C) 2015 Arb authors
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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 it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "arf.h"
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void
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arf_fprint(FILE * file, 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_fprintf(file, "(");
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fmpz_fprint(file, man);
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flint_fprintf(file, " * 2^");
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fmpz_fprint(file, exp);
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flint_fprintf(file, ")");
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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_fprintf(file, "(0)");
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else if (arf_is_pos_inf(x)) flint_fprintf(file, "(+inf)");
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else if (arf_is_neg_inf(x)) flint_fprintf(file, "(-inf)");
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else flint_fprintf(file, "(nan)");
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}
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}
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void
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arf_fprintd(FILE * file, 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_fprint(file, 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_fprintf(file, "%.*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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