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fix ft_modf

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hugogogo
2026-05-10 01:43:59 +02:00
parent ae9787ba6d
commit 60c72d7560
1 changed files with 6 additions and 4 deletions
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10
srcs/ft_modf.c
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@@ -1,5 +1,7 @@
#include "libft.h" #include "libft.h"
#include <stdio.h> // tmp for printf, for float debug
/** /**
* Splits a double into its integer and fractional parts, * Splits a double into its integer and fractional parts,
* it returns the fractional part, * it returns the fractional part,
@@ -7,17 +9,17 @@
* e.g.: * e.g.:
* -3.7 → -3.0 and -0.7 (returns -0.7) * -3.7 → -3.0 and -0.7 (returns -0.7)
*/ */
double ft_modf(double x, double *int_part) double ft_modf(double x, double *store_int_part)
{ {
// extract the integer part by casting to long long // extract the integer part by casting to long long
long long integer = (long long)x; long long integer = (long long)x;
if (int_part != NULL) if (store_int_part != NULL)
{ {
*int_part = (double)integer; *store_int_part = (double)integer;
} }
// compute the fractional part // compute the fractional part
double frac_part = x - *int_part; double frac_part = x - integer;
return frac_part; return frac_part;
} }