mirror of
https://github.com/vale981/arb
synced 2025-03-04 17:01:40 -05:00
80 lines
1.8 KiB
C
80 lines
1.8 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 <string.h>
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#include "arf.h"
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#include "arb.h"
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char * arf_get_str(const arf_t x, slong d)
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{
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if (arf_is_special(x))
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{
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char * s = flint_malloc(5);
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if (arf_is_zero(x))
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strcpy(s, "0");
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else if (arf_is_pos_inf(x))
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strcpy(s, "+inf");
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else if (arf_is_neg_inf(x))
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strcpy(s, "-inf");
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else
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strcpy(s, "nan");
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return s;
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}
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else
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{
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arb_t t;
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*arb_midref(t) = *x;
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mag_init(arb_radref(t)); /* no need to free */
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return arb_get_str(t, FLINT_MAX(d, 1), ARB_STR_NO_RADIUS);
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}
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}
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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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char * s = arf_get_str(x, d);
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fprintf(file, "%s", s);
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flint_free(s);
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}
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