instance method

Float#denominator

() -> ::Integer

flo.denominator → integer

VALUE
rb_float_denominator(VALUE self)
{
    double d = RFLOAT_VALUE(self);
    VALUE r;
    if (!isfinite(d))
        return INT2FIX(1);
    r = float_to_r(self);
    return nurat_denominator(r);
}

Returns the denominator (always positive). The result is machine dependent.