so... jai :D

examples/modules/math.sx

@@ -0,0 +1,17 @@
+#import "std.sx";
+
+dot :: (a: Vector(3,f32), b: Vector(3,f32)) -> f32 {
+    return a.x*b.x + a.y*b.y + a.z*b.z;
+}
+
+cross :: (a: Vector(3,f32), b: Vector(3,f32)) -> Vector(3,f32) {
+    .[a.y*b.z - a.z*b.y, a.z*b.x - a.x*b.z, a.x*b.y - a.y*b.x];
+}
+
+length :: (v: Vector(3,f32)) -> f32 {
+    return sqrt(dot(v, v));
+}
+
+normalize :: (v: Vector(3,f32)) -> Vector(3,f32) {
+    return v / length(v);
+}