quo

/*
 *  call-seq:
 *     fix.quo(numeric)    => float
 *     fix.fdiv(numeric)   => float
 *
 *  Returns the floating point result of dividing <i>fix</i> by
 *  <i>numeric</i>.
 *
 *     654321.quo(13731)      #=> 47.6528293642124
 *     654321.quo(13731.24)   #=> 47.6519964693647
 *
 */

static VALUE
fix_quo(x, y)
    VALUE x, y;
{
    if (FIXNUM_P(y)) {
        return rb_float_new((double)FIX2LONG(x) / (double)FIX2LONG(y));
    }
    return rb_num_coerce_bin(x, y);
}