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Code Issues 121 Wiki Activity

maintenance: minor code tweaks

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tmj-fstate
2019-03-12 18:49:06 +01:00
parent f1ba909a94
commit 4051892066
4 changed files with 20 additions and 15 deletions
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14
sun.cpp
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@@ -185,17 +185,11 @@ void cSun::move() {
m_body.rascen = clamp_circular( radtodeg * std::atan2( top, bottom ) );
// Greenwich mean sidereal time
m_observer.gmst = 6.697375 + 0.0657098242 * daynumber + m_observer.utime;
// Greenwich mean sidereal time (hours)
m_observer.gmst = clamp_circular( 6.697375 + 0.0657098242 * daynumber + m_observer.utime, 24.0 );
m_observer.gmst -= 24.0 * (int)( m_observer.gmst / 24.0 );
if( m_observer.gmst < 0.0 ) m_observer.gmst += 24.0;
// local mean sidereal time
m_observer.lmst = m_observer.gmst * 15.0 + m_observer.longitude;
m_observer.lmst -= 360.0 * (int)( m_observer.lmst / 360.0 );
if( m_observer.lmst < 0.0 ) m_observer.lmst += 360.0;
// local mean sidereal time (deg)
m_observer.lmst = clamp_circular( m_observer.gmst * 15.0 + m_observer.longitude );
// hour angle
m_body.hrang = m_observer.lmst - m_body.rascen;