42/42_INT_01_libft
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

update ft_sqrt with precision

Browse Source
This commit is contained in:
hugogogo
2026-05-14 13:53:09 +02:00
parent 85423f4211
commit e95f55c07f
2 changed files with 2 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
includes/libft.h
View File

@@ -132,7 +132,7 @@ int ft_sign(int i);
int ft_fsign(double i); int ft_fsign(double i);
double ft_pow(double base, int exponent); double ft_pow(double base, int exponent);
double ft_round(double x); double ft_round(double x);
double ft_sqrt(double i); double ft_sqrt(double i, double precision);
void ft_free_tab(char **tab); void ft_free_tab(char **tab);
int ft_arrint(int *intarr, int comp, size_t size); int ft_arrint(int *intarr, int comp, size_t size);

6
srcs/ft_sqrt.c
View File

@@ -4,17 +4,13 @@
* return the square root of nb * return the square root of nb
* Newton–Raphson method : https://en.wikipedia.org/wiki/Newton%27s_method#Use_of_Newton's_method_to_compute_square_roots * Newton–Raphson method : https://en.wikipedia.org/wiki/Newton%27s_method#Use_of_Newton's_method_to_compute_square_roots
*/ */
double ft_sqrt(double x) double ft_sqrt(double x, double precision)
{ {
double precision;
if (x < 0) if (x < 0)
return -1; // handle negative numbers return -1; // handle negative numbers
if (x == 0) if (x == 0)
return 0; return 0;
precision = 0.00001;
// Newton-Raphson // Newton-Raphson
double guess = x; double guess = x;
double prev_guess; double prev_guess;