Hi Adhemerval, @@ -95,8 +96,8 @@ __ieee754_hypot (double x, double y) x = fabs (x); y = fabs (y); - double ax = x < y ? y : x; - double ay = x < y ? x : y; + double ax = USE_FMAX_BUILTIN ? fmax (x, y) : (x < y ? y : x); + double ay = USE_FMIN_BUILTIN ? fmin (x, y) : (x < y ? x : y); Looks good. Cheers, Wilco