110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* print_bit_float.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: igarbuz <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2018/12/26 16:51:17 by igarbuz #+# #+# */
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/* Updated: 2019/01/02 18:44:46 by igarbuz ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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void ft_print_buf_bit_float(char *b, float f)
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{
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int size;
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int sztmp;
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unsigned char *ptr;
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int j;
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if (!f)
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return ;
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size = sizeof(float) - 1;
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sztmp = size;
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ptr = (unsigned char *)&f;
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while (size >= 0)
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{
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j = 8;
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while (--j >= 0)
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{
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if ((size == sztmp || size == (sztmp - 1)) && j == 6)
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ft_printbuf_char(b, ' ');
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ft_printbuf_char(b, (ptr[size] >> j & 1) + '0');
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}
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size--;
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}
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}
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void ft_print_buf_bit_double(char *b, double db)
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{
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int size;
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int sztmp;
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unsigned char *ptr;
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int j;
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if (!db)
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return ;
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size = sizeof(double) - 1;
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sztmp = size;
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ptr = (unsigned char *)&db;
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while (size >= 0)
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{
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j = 8;
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while (--j >= 0)
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{
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if (size == sztmp && j == 6)
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ft_printbuf_char(b, ' ');
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else if (size == (sztmp - 1) && j == 3)
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ft_printbuf_char(b, ' ');
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ft_printbuf_char(b, (ptr[size] >> j & 1) + '0');
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}
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size--;
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}
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}
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void ft_print_buf_bit_long_double(char *b, long double ldb)
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{
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int size;
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int sztmp;
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unsigned char *ptr;
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int j;
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if (!ldb)
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return ;
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size = sizeof(long double) - 7;
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sztmp = size;
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ptr = (unsigned char *)&ldb;
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while (size >= 0)
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{
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j = 8;
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while (--j >= 0)
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{
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if (size == sztmp && j == 6)
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ft_printbuf_char(b, ' ');
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else if (size == (sztmp - 2) && j == 7)
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ft_printbuf_char(b, ' ');
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ft_printbuf_char(b, (ptr[size] >> j & 1) + '0');
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}
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size--;
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}
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}
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void ft_print_bit_float(char *b, t_param *prm, va_list valist)
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{
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double db;
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long double ldb;
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if (prm->p >> 9 & 1)
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ldb = va_arg(valist, long double);
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else
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db = va_arg(valist, double);
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if (prm->p >> 9 & 1)
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ft_print_buf_bit_long_double(b, ldb);
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else if ((prm->p >> 7 & 1) || (prm->p >> 8 & 1))
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ft_print_buf_bit_double(b, db);
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else
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ft_print_buf_bit_float(b, (float)db);
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}
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