On Fri, 2 Apr 2010, Martin Schmidt wrote: > I have a large integer (mpz_t or mpz_class) x and a floating point (C++ > double) value y and want to compute x to the power of y (x^y). You probably want to look at mpfr. What kind of result are you expecting? An integer ? Is your double really an integer (or maybe 1/2) ? -- Marc Glisse