ft_floats_helper.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_floats.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: mchen <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2017/02/17 22:45:23 by mchen             #+#    #+#             */
/*   Updated: 2017/02/21 19:53:09 by mchen            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "includes/ft_printf.h"

long double	ft_uld_get_mantissa(long double ld, short base)
{
	long double	u;
	uintmax_t	d;

	u = 1;
	while (u < ld / ft_ld_integerpower(base, 8))
		u *= ft_ld_integerpower(base, 8);
	while (ld >= 1)
	{
		d = (uintmax_t)(ld / u);
		ld -= d * u;
		u /= ft_ld_integerpower(base, 8);
	}
	return (ld);
}