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This commit is contained in:
Jeremy FLEURY
2019-07-17 11:22:24 +02:00
commit 748d10f4f3
174 changed files with 8953 additions and 0 deletions
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68
libft/printf/ft_nd_long_round.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_nd_long_round.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: igarbuz <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/01/29 20:25:42 by igarbuz #+# #+# */
/* Updated: 2019/01/29 20:25:45 by igarbuz ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
static void ft_round_up(uint32_t *nd, int ndlo)
{
while (nd[ndlo & 2047] >= 1000000000)
{
ndlo++;
nd[ndlo & 2047] += 1;
}
}
static void ft_round_ndlo(int r, int rloc, int *ndlo)
{
if (!r)
*ndlo = 0;
else if (!rloc && -*ndlo * 9 >= r)
*ndlo = -r / 9;
else if (rloc && -*ndlo * 9 >= r)
*ndlo = -r / 9 - 1;
}
static int ft_round_last(int ndlo, int r, uint32_t *nd)
{
int rloc;
int tlo;
tlo = ndlo;
rloc = (r % 9);
ft_round_ndlo(r, rloc, &ndlo);
if (((r / 9) + 1) == -tlo && !(nd[tlo & 2047] % g_pow10[8 - rloc]))
{
if (rloc && (nd[ndlo & 2047] / g_pow10[9 - rloc] % 10) & 1
&& (nd[ndlo & 2047] / g_pow10[8 - rloc]) % 10 == 5)
nd[ndlo & 2047] += g_pow10[9 - rloc];
else if (!rloc && (tlo <= ndlo - 1) && (nd[ndlo & 2047] % 10) & 1
&& nd[(ndlo - 1) & 2047] / g_pow10[8] == 5)
nd[ndlo & 2047] += 1;
}
else
{
if (rloc && (nd[ndlo & 2047] / g_pow10[8 - rloc]) % 10 >= 5)
nd[ndlo & 2047] += g_pow10[9 - rloc];
else if (!rloc && (tlo <= ndlo - 1)
&& nd[(ndlo - 1) & 2047] / g_pow10[8] >= 5)
nd[ndlo & 2047] += 1;
}
return (ndlo);
}
void ft_long_round(t_nd_long *nd, int *r)
{
if (*r > -nd->lo * 9)
*r = -nd->lo * 9;
nd->lo = ft_round_last(nd->lo, *r, nd->n);
ft_round_up(nd->n, nd->lo);
}