char *aat_gtag = "gsqrt";
char *aat_gname = "g(x) = sqrt(x)";

Float aat_g_flt (Float x)
  {
    ROUND_NEAR;
    if (x >= 0) return (sqrt(x));
    else return (Zero);
  }

Interval aat_g_ia (Interval x)
  {
    if (x.hi >= 0) return (ia_sqrt(x));
    else return (ia_const(Zero, Zero));
  }

AAP aat_g_aa (AAP x)
  {
    Interval r = aa_range(x);
    if (r.hi >= 0) return (aa_sqrt(x));
    else return (aa_zero());
  }

Interval aat_gxd = {-One, Three};
Interval aat_gyd = {-Half, Two};

int aat_gn = 16;