1 files changed, 17 insertions, 6 deletions
diff --git a/lib/measurement.h b/lib/measurement.h
index 46c034f..d9bd52e 100644
--- a/lib/measurement.h
+++ b/lib/measurement.h
@@ -3,16 +3,21 @@
 
 #include <math.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 #include "types.h"
 #include "stack.h"
 
 typedef struct {
-  uint64_t n;
+  count_t n;
   double x;
   double x2;
+  double x4;
   double m2;
   double m4;
+  count_t W;
+  double *xx;
+  dll_t *x_window;
 } meas_t;
 
 typedef struct {
@@ -24,11 +29,6 @@ typedef struct {
   double O2;
 } autocorr_t;
 
-typedef struct {
-  void (*f)(state_finite_t *, void *);
-  void *data;
-} measurement_t;
-
 void meas_update(meas_t *m, double x);
 
 double meas_dx(const meas_t *m);
@@ -41,3 +41,14 @@ void update_autocorr(autocorr_t *OO, double O);
 
 double rho(const autocorr_t *o, uint64_t i);
 
+void print_meas(const meas_t *m, const char *sym, FILE *outfile);
+void print_vec_meas(q_t q, const meas_t **m, const char *sym, FILE *outfile);
+
+void free_meas(meas_t *m);
+
+meas_t *meas_initialize(count_t W);
+
+double get_tau(const meas_t *m);
+
+double Cxx(const meas_t *m, count_t t);
+