1 files changed, 33 insertions, 0 deletions
diff --git a/lib/measurement.h b/lib/measurement.h
new file mode 100644
index 0000000..4ced4dc
--- /dev/null
+++ b/lib/measurement.h
@@ -0,0 +1,33 @@
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "types.h"
+#include "stack.h"
+
+typedef struct {
+  uint64_t n;
+  double x;
+  double dx;
+  double x2;
+  double m2;
+  double m4;
+  double c;
+  double dc;
+} meas_t;
+
+typedef struct {
+  uint64_t n;
+  uint64_t W;
+  double *OO;
+  dll_t *Op;
+  double O;
+  double O2;
+} autocorr_t;
+
+void update_meas(meas_t *m, double x);
+
+void update_autocorr(autocorr_t *OO, double O);
+
+double rho(autocorr_t *o, uint64_t i);
+