chickadee » srfi-94 » real-expt

real-exptprocedure

Returns x1 raised to the power x2 if that result is a real number; otherwise signals an error.

(real-expt 0.0 x2)

returns 1.0 for x2 equal to 0.0;

returns 0.0 for positive real x2;

signals an error otherwise.