src/math/finite.c - 3p/sel4/musllibc - Git at Google

 #define _GNU_SOURCE
 #include <math.h>

 int finite(double x)
 {
 	return isfinite(x);
 }
	#define _GNU_SOURCE
	#include <math.h>

	int finite(double x)
	{
	return isfinite(x);
	}