now version controlled.

1 files changed, 26 insertions, 0 deletions

diff --git a/vec.c b/vec.c
new file mode 100644
index 0000000..74ccc5a
--- /dev/null
+++ b/vec.c
@@ -0,0 +1,26 @@
+#include <u.h>
+#include <libc.h>
+
+typedef struct Vec Vec;
+struct Vec {
+	double x, y, z;
+};
+
+Vec
+addvec(Vec a, Vec b)
+{
+	a.x += b.x;
+	a.y += b.y;
+	a.z += b.z;
+	return a;
+}
+
+void
+main()
+{
+	Vec a = {20, 5, 3};
+	Vec b = {6, -2, 19};
+
+	a = addvec(a, b);
+	exits(nil);
+}