autosave

Algorithm/Algorithm.cpp

@@ -123,16 +123,21 @@ double julian(double year, double hours){
 double GMST(int year, double hours){
     //JD is the julian date (days since jan 1st, 4713 BC) and D is days since Jan 1st 2000
     double D, GMST, temp, JD0;
-    //double hoursLeft = modf((hours/24), &temp) * 24; // hours since the previous midnight
-    //hoursLeft = (hoursLeft + 12);
+    double hoursLeft = modf((hours/24), &temp) * 24; // hours since the previous midnight
+    //double hoursLeft;
     double JD = julian(year, hours);
     //double JDmin = floor(JD) - 0.5;
     //double JDmax = floor(JD) + 0.5;
     JD0 = floor(JD) + 0.5;
-    D = ( JD - 2451545.0);
+    D = (JD - 2451545.0);
     double D0 = JD0 - 2451545.0;
     double T = D/36525; // centuries since Jan 1st 2000 AD
-    double hoursLeft = (JD -JD0) *24;
+     //hoursLeft = (JD - JD0) *24;
+    /*if(JD > JD0){
+        hoursLeft = (JD - JD0) *24; 
+    } else {
+        hoursLeft = (JD0 - JD) *24;
+    }*/
     if(DEBUG){
         clog << fixed << setprecision(10) << "DEBUG: The GMST in days is: " << D << endl
              << "DEBUG: The value of JD is: " << JD << endl

Algorithm/AlgorithmTester.cpp

@@ -32,8 +32,8 @@ int main(){
          << "It actually returns: " << julian(2017, 641.9) << endl;
          
          
-    cout << "if the date is January 1, 2000 at 00:00:00, the GMST date function should return: 6.79519916667." << endl
-         << "It actually returns: " << GMST(2000, 0) << endl;
+    cout << "if the date is January 1, 2019 at 08:00:00, the GMST date function should return: 6.79519916667." << endl
+         << "It actually returns: " << GMST(2019, 8) << endl;
     //converting time and longitude to phi
     /*cout << "if its January 27, 2034, 5:45 pm at a longitude of 49 the, phi should equal 4.65147698949." << endl
          << "Phi actually equals: " << timeToPhi(2034, 641.765166667, 49) << endl;*/