1 files changed, 28 insertions, 0 deletions
diff --git a/test/geometry/spheres.cpp b/test/geometry/spheres.cpp
new file mode 100644
index 0000000..16e0ebd
--- /dev/null
+++ b/test/geometry/spheres.cpp
@@ -0,0 +1,28 @@
+#include "../util.h"
+constexpr double PI = acos(-1.0);
+#pragma GCC diagnostic ignored "-Wshadow"
+#include <geometry/spheres.cpp>
+
+void test_consistent() {
+	ll queries = 0;
+	for (int tries = 0; tries < 100'000; tries++) {
+		auto pLat = Random::real<double>(-180, 180);
+		auto pLon = Random::real<double>(0, 360);
+		auto qLat = Random::real<double>(-180, 180);
+		auto qLon = Random::real<double>(0, 360);
+
+		point p(pLat, pLon);
+		point q(qLat, qLon);
+
+		auto gotA = gcDist(pLat, pLon, qLat, qLon, 1);
+		auto gotB = gcDist(p, q);
+
+		if (abs(gotA - gotB) > 1e-6) cerr << "gotA: " << gotA << ", gotB: " << gotB << FAIL;
+		queries++;
+	}
+	cerr << "tested random: " << queries << endl;
+}
+
+int main() {
+	test_consistent();
+}