ft_printf/ft_print_float.c at master · StToupin/ft_printf · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_float.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: stoupin <marvin@42.fr>                     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/04/24 11:55:51 by stoupin           #+#    #+#             */
/*   Updated: 2017/04/24 12:02:40 by stoupin          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

int			ft_print_float(t_buf *buffer, va_list *ap, t_par *p)
{
	double	number;
	int		len;

	if (p->width2 == -1)
		p->width2 = 6;
	len = 0;
	number = (double)va_arg(*ap, double);
	if (number < 0 && p->flags & FLAG_ZERO)
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && p->flags & FLAG_ZERO)
		len += buf_putchar(buffer, '+');
	if (number >= 0 && p->flags & FLAG_SPACE)
		len += buf_putchar(buffer, ' ');
	if (p->width1 > 0 && !(p->flags & FLAG_MINUS))
		len += pad_left(buffer, p->width1, p->flags, len
						+ print_float(buffer, number, p->width2, 1)
			+ (number >= 0 && p->flags & FLAG_PLUS & !(p->flags & FLAG_ZERO)));
	if (number < 0 && !(p->flags & FLAG_ZERO))
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && !(p->flags & FLAG_ZERO))
		len += buf_putchar(buffer, '+');
	len += print_float(buffer, number, p->width2, 0);
	if (p->width1 > 0 && p->flags & FLAG_MINUS)
		len += pad_right(buffer, p->width1, p->flags, len);
	return (len);
}

int			ft_print_float_exp(t_buf *buffer, va_list *ap, t_par *p)
{
	double	number;
	int		len;

	if (p->width2 == -1)
		p->width2 = 6;
	len = 0;
	number = (double)va_arg(*ap, double);
	if (number < 0 && p->flags & FLAG_ZERO)
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && p->flags & FLAG_ZERO)
		len += buf_putchar(buffer, '+');
	if (number >= 0 && p->flags & FLAG_SPACE)
		len += buf_putchar(buffer, ' ');
	if (p->width1 > 0 && !(p->flags & FLAG_MINUS))
		len += pad_left(buffer, p->width1, p->flags, len
						+ print_float_exp(buffer, number, p->width2, 1)
			+ (number >= 0 && p->flags & FLAG_PLUS & !(p->flags & FLAG_ZERO)));
	if (number < 0 && !(p->flags & FLAG_ZERO))
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && !(p->flags & FLAG_ZERO))
		len += buf_putchar(buffer, '+');
	len += print_float_exp(buffer, number, p->width2, 0);
	if (p->width1 > 0 && p->flags & FLAG_MINUS)
		len += pad_right(buffer, p->width1, p->flags, len);
	return (len);
}

int			ft_print_float_bigexp(t_buf *buffer, va_list *ap, t_par *p)
{
	double	number;
	int		len;

	if (p->width2 == -1)
		p->width2 = 6;
	len = 0;
	number = (double)va_arg(*ap, double);
	if (number < 0 && p->flags & FLAG_ZERO)
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && p->flags & FLAG_ZERO)
		len += buf_putchar(buffer, '+');
	if (number >= 0 && p->flags & FLAG_SPACE)
		len += buf_putchar(buffer, ' ');
	if (p->width1 > 0 && !(p->flags & FLAG_MINUS))
		len += pad_left(buffer, p->width1, p->flags, len
						+ print_float_bigexp(buffer, number, p->width2, 1)
			+ (number >= 0 && p->flags & FLAG_PLUS & !(p->flags & FLAG_ZERO)));
	if (number < 0 && !(p->flags & FLAG_ZERO))
		buf_putchar(buffer, '-');
	if (number >= 0 && p->flags & FLAG_PLUS && !(p->flags & FLAG_ZERO))
		len += buf_putchar(buffer, '+');
	len += print_float_bigexp(buffer, number, p->width2, 0);
	if (p->width1 > 0 && p->flags & FLAG_MINUS)
		len += pad_right(buffer, p->width1, p->flags, len);
	return (len);
}