SPP

2gpst.h

@@ -0,0 +1,26 @@
+#ifndef _2GPST_H_
+#define _2GPST_H_
+
+#include"read.h"
+
+double TimetoGPSsec(int y, int m, int d, double h, int min, double sec)
+{
+	if (m > 2)
+	{
+		y = y;
+		m = m;
+	}
+	if (m <= 2)
+	{
+		y = y - 1;
+		m = m + 12;
+	}	
+	h = h + min/60.0 + sec/3600.0;
+	double JD = (int)(365.25 * y) + (int)(30.6001 * (m + 1)) + d + h/24.0 + 1720981.5;
+	double MJD = JD - 2400000.5; 
+	int gpsweek = (int)((MJD - 44244) / 7);
+	double secofweek = (MJD - 44244.0 - gpsweek * 7.0) * 86400.0;
+	return secofweek;
+}
+
+#endif