1 files changed, 0 insertions, 24 deletions
diff --git a/math/spheres.cpp b/math/spheres.cpp
deleted file mode 100644
index 324eb00..0000000
--- a/math/spheres.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-// Great Cirlce Distance mit Längen- und Breitengrad.
-double gcDist(
-    double pLat, double pLon, double qLat, double qLon, double radius) {
-  pLat *= PI / 180; pLon *= PI / 180; qLat *= PI / 180; qLon *= PI / 180;
-  return radius * acos(cos(pLat) * cos(pLon) * cos(qLat) * cos(qLon) +
-                       cos(pLat) * sin(pLon) * cos(qLat) * sin(qLon) +
-                       sin(pLat) * sin(qLat));
-}
-
-// Great Cirlce Distance mit kartesischen Koordinaten.
-double gcDist(point p, point q) {
-  return acos(p.x * q.x + p.y * q.y + p.z * q.z);
-}
-
-// 3D Punkt in kartesischen Koordinaten.
-struct point{
-  double x, y, z;
-  point() {}
-  point(double x, double y, double z) : x(x), y(y), z(z) {}
-  point(double lat, double lon) {
-    lat *= PI / 180.0; lon *= PI / 180.0;
-    x = cos(lat) * sin(lon); y = cos(lat) * cos(lon); z = sin(lat);
-  }
-};