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ft_printf_conversions_float.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf_conversions_float.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tmendes- <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/07/18 08:20:06 by tmendes- #+# #+# */
/* Updated: 2020/08/05 10:01:15 by tmendes- ### ########.fr */
/* */
/* ************************************************************************** */
#include "libftprintf.h"
static char *ld_signal(long double flt)
{
char *str;
if ((1 / flt) < 0)
str = ft_strdup("-");
else
str = ft_strdup("");
return (str);
}
static char *unpad(char *nbr, char chr)
{
int k;
char *exp;
exp = ft_strchr(nbr, 'e');
k = ft_strlen(nbr) - 1;
if (chr == 'e')
{
k -= ft_strlen(exp);
while ((*(nbr + k) == '0' || *(nbr + k) == '.') &&
k > 0 && *(nbr + (k - 1)) != '-')
k--;
ft_memmove((nbr + k + 1), exp, ft_strlen(exp) + 1);
}
else
{
while (*(nbr + k) == '0' && k > 0 && *(nbr + (k - 1)) != '-')
k--;
if (*(nbr + k) == '.')
*(nbr + k) = 0;
*(nbr + k + 1) = 0;
}
return (nbr);
}
t_printf e____type(t_printf ptf, t_fields fld, va_list ap)
{
if (fld.width < 0)
fld.flag[4] += 1;
fld.width = ft_abs(fld.width);
if (fld.prec < 0)
fld.prec = 6;
fld.flt = (long double)va_arg(ap, double);
fld.itg = nbr_exp(fld.flt, fld.prec);
ptf.txt = ld_signal(fld.flt);
fld.flt = ft_ldabs(fld.flt);
if (fld.prec >= fld.itg)
fld.str = ft_ftoa(fld.flt, (fld.prec - fld.itg), 'r');
else
fld.str = ft_ftoa(fld.flt, 1, 0);
fld.str = scntfc_not(fld.str, fld.prec);
ptf.txt = ft_concat(ptf.txt, fld.str);
free(fld.str);
fld.str = NULL;
if (fld.prec == 0 && fld.flag[0] == 0)
ptf.txt = unpad(ptf.txt, 'e');
ptf.txt = signal_space(ptf.txt, fld);
ptf.txt = pad_str(ptf.txt, fld, fld.width, 'w');
return (ptf);
}
t_printf f____type(t_printf ptf, t_fields fld, va_list ap)
{
if (fld.width < 0)
fld.flag[4] += 1;
fld.width = ft_abs(fld.width);
if (fld.prec < 0)
fld.prec = 6;
fld.flt = (long double)va_arg(ap, double);
ptf.txt = ft_ftoa(fld.flt, fld.prec, 'r');
if (fld.prec == 0 && fld.flag[0] == 0)
ptf.txt = unpad(ptf.txt, 'f');
ptf.txt = signal_space(ptf.txt, fld);
ptf.txt = pad_str(ptf.txt, fld, fld.width, 'w');
return (ptf);
}
t_printf n____type(t_printf ptf, t_fields fld, va_list ap)
{
if (fld.len_h == 2)
*va_arg(ap, signed char *) = (signed char)ft_strlen(ptf.final);
if (fld.len_h == 1)
*va_arg(ap, short int *) = (short int)ft_strlen(ptf.final);
if (fld.len_l == 2)
*va_arg(ap, long int *) = (long int)ft_strlen(ptf.final);
if (fld.len_l == 1)
*va_arg(ap, long long int *) = (long long int)ft_strlen(ptf.final);
else
*va_arg(ap, int *) = (int)ft_strlen(ptf.final);
ptf.txt = ft_strdup("");
return (ptf);
}
static t_printf g_aux(t_printf ptf, t_fields fld)
{
fld.itg = nbr_exp(fld.flt, fld.prec);
*ptf.end = 'e';
ptf.txt = ld_signal(fld.flt);
fld.flt = ft_ldabs(fld.flt);
if (fld.prec >= (fld.itg + 1))
fld.str = ft_ftoa(fld.flt, (fld.prec - fld.itg - 1), 'r');
else
fld.str = ft_ftoa(fld.flt, 1, 0);
fld.str = scntfc_not(fld.str, fld.prec - 1);
if (fld.flag[0] == 0)
fld.str = unpad(fld.str, *ptf.end);
ptf.txt = ft_concat(ptf.txt, fld.str);
free(fld.str);
fld.str = NULL;
return (ptf);
}
t_printf g____type(t_printf ptf, t_fields fld, va_list ap)
{
if (fld.prec == 0)
fld.prec++;
if (fld.width < 0)
fld.flag[4] += 1;
fld.width = ft_abs(fld.width);
if (fld.prec < 0)
fld.prec = 6;
fld.flt = (long double)va_arg(ap, double);
fld.itg = nbr_exp(fld.flt, fld.prec);
fld.itg = nbr_exp((fld.flt + 5 *
(ft_ldabs(fld.flt) / fld.flt) *
ft_ld_pot_b(10, (fld.itg - fld.prec))), fld.prec);
if (fld.itg < -4 || fld.itg >= fld.prec)
ptf = g_aux(ptf, fld);
else
ptf.txt = ft_ftoa(fld.flt, fld.prec - (fld.itg + 1), 'r');
if (fld.flag[0] == 0 && *ptf.end != 'e')
ptf.txt = unpad(ptf.txt, 'f');
ptf.txt = signal_space(ptf.txt, fld);
ptf.txt = pad_str(ptf.txt, fld, fld.width, 'w');
return (ptf);
}