tests pour trouver quel operateur utiliser pour comparaisons
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@@ -6,7 +6,7 @@
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/* By: hulamy <hulamy@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/04/14 15:20:53 by hulamy #+# #+# */
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/* Updated: 2019/04/16 15:32:14 by hulamy ### ########.fr */
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/* Updated: 2019/04/18 01:33:00 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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79
test_mask.c
79
test_mask.c
@@ -1,17 +1,80 @@
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#include "libft.h"
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void print_bits(int octet)
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{
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int i;
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int j;
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i = 1 << 12;
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j = 4096;
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while (i >>= 1)
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(octet & i) ? ft_putnbr(1) : ft_putnbr(0);
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ft_putchar('\n');
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while (j >>= 1)
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(octet & j) ? ft_putnbr(1) : ft_putnbr(0);
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ft_putchar('\n');
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}
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void compare(int initial, int compare)
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{
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int i;
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int j;
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i = 1 << 3;
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initial ^= i;
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j = 1 << 12;
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while (j >>= 1)
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(initial & j) ? ft_putnbr(1) : ft_putnbr(0);
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ft_putchar('\n');
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j = 1 << 12; // il faut utiliser le & car il transforme
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while (j >>= 1) // 0+0=0 1+0=0 0+1=0 mais 1+1=1
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(initial & compare) & j ? ft_putnbr(1) : ft_putnbr(0); // donc si rien ne se superpose on obtient 0
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ft_putchar('\n'); // et si un seul bit se superpose on obtient 1
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(initial & compare) ? ft_putendl("&: fit") : ft_putendl("&: not fit"); // (penser a l'utiliser a l'envers donc)
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j = 1 << 12;
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while (j >>= 1)
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(initial | compare) & j ? ft_putnbr(1) : ft_putnbr(0);
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ft_putchar('\n');
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(initial | compare) ? ft_putendl("|: fit") : ft_putendl("|: not fit");
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j = 1 << 12;
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while (j >>= 1)
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(initial ^ compare) & j ? ft_putnbr(1) : ft_putnbr(0);
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ft_putchar('\n');
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(initial ^ compare) ? ft_putendl("^: fit") : ft_putendl("^: not fit");
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}
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int main(int ac, char **av)
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{
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int init;
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int mask;
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int i;
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int j;
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mask = (1 << 4);
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if (ac == 4)
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i = 56173;
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j = 9362;
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if (ac > 0)
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{
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ft_putendl(ft_convertbase(av[1], av[2], av[3]));
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ft_putnbrendl(init);
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init |= mask;
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ft_putnbrendl(init);
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if (ac > 1)
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ft_putendl(ft_convertbase(av[1], "0123456789", "01"));
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print_bits(i);
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print_bits(j);
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compare(i, j);
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}
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return (0);
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}
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/*
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**int main(int ac, char **av)
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**{
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** int init;
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** int mask;
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**
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** mask = (1 << 4);
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** if (ac == 4)
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** {
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** ft_putendl(ft_convertbase(av[1], av[2], av[3]));
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** ft_putnbrendl(init);
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** init |= mask;
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** ft_putnbrendl(init);
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** }
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** return (0);
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**}
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*/
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