float32_sub
return float32_sub(roundData, rFm, rFn);
[SUF_CODE >> 20] = float32_sub,
float32 float32_sub( struct roundingData *, float32, float32 );
hx = float32_sub(hx, hy);
extern unsigned long int float32_sub(unsigned long int a, unsigned long int b);
float32 float32_sub(float32 a, float32 b);