modf()

const mpreal mpfr::modf ( const mpreal & v, mpreal & n )

inline

Definition at line 2153 of file mpreal.h.

{
    mpreal f(v);
 
    // rounding is not important since we are using the same number
    mpfr_frac (f.mpfr_ptr(),f.mpfr_srcptr(),mpreal::get_default_rnd());
    mpfr_trunc(n.mpfr_ptr(),v.mpfr_srcptr());
    return f;
}