C Tutorial/math.h/nextafter
nextafter
Item Value Header file math.h Declaration float nextafterf(float from, float towards);double nextafter(double from, double towards);long double nextafterl(long double from, long double towards); Return returns the next value after "from" that is closer to "towards".
#include <math.h>
#include <stdio.h>
int main(void)
{
double f;
f = nextafter(2.3,1.2);
printf("%f " , f);
}