/*
 *  call-seq:
 *    num.prec_f  =>  Integer
 *
 *  Returns an +Float+ converted from _num_. It is equivalent 
 *  to <code>prec(Float)</code>.
 */

static VALUE
prec_prec_f(x)
    VALUE x;
{
    VALUE klass = rb_cFloat;

    return rb_funcall(x, prc_pr, 1, klass);
}