1 files changed, 14 insertions, 0 deletions
diff --git a/dat.h b/dat.h
new file mode 100644
index 0000000..6503042
--- /dev/null
+++ b/dat.h
@@ -0,0 +1,14 @@
+typedef struct State State;
+typedef struct Derivative Derivative;
+
+struct State
+{
+	double x, v;
+	double acc, min, max, avg;
+	int nsteps;
+};
+
+struct Derivative
+{
+	double dx, dv;
+};