コード例 #1
0
 /** Expand the interval so that it contains the given point "p". */
 public function addPoint($p)
 {
     if (isEmpty()) {
         return R1Interval::fromPoint($p);
     } else {
         if ($p < $this->lo()) {
             return new R1Interval($p, $this->hi());
         } else {
             if ($p > $this->hi()) {
                 return new R1Interval($this->lo(), $p);
             } else {
                 return new R1Interval($this->lo(), $this->hi());
             }
         }
     }
 }