math: add fma TODO comments about the underflow issue
[oweals/musl.git] / src / math / fdimf.c
1 #include <math.h>
2
3 float fdimf(float x, float y)
4 {
5         if (isnan(x))
6                 return x;
7         if (isnan(y))
8                 return y;
9         return x > y ? x - y : 0;
10 }