PHP marando\iau IAU::Utctai Examples

Example #1

File: AstroDate.php Project: gavinkou/AstroDate

 /**
  * Converts this instance to International Atomic Time (TAI)
  * @return static
  */
 public function toTAI()
 {
     if ($this->timescale == TimeScale::TAI()) {
         return $this;
     }
     $this->toUTC();
     $utc1 = $this->jd;
     $utc2 = $this->dayFrac;
     IAU::Utctai($utc1, $utc2, $tai1, $tai2);
     $this->jd = $tai1;
     $this->dayFrac = $tai2;
     $this->timescale = TimeScale::TAI();
     return $this;
 }