initial commit

vansh/Alti_implemented/auth.h

@@ -0,0 +1,30 @@
+#ifndef __AUTH__
+#define __AUTH__
+
+#ifndef _MATH_H_
+#include <math.h>
+#endif
+
+#ifndef _STDBOOL_H
+#include <stdbool.h>
+#endif
+
+#define ld long double
+#define pwr2(x) (x * x)
+
+ld
+sq_root(ld x);
+
+ld
+toRadians( ld degree );
+
+ld
+orthodromic_distance(ld stu_lat, ld stu_long, ld teach_lat, ld teach_long);
+
+ld
+altitude_difference(ld teach_alti, ld stu_alti);
+
+bool
+check_range(ld dist, ld alti);
+
+#endif // __AUTH__