From 77584d5ab2182f5e9d9b8614b600b2e1ef08bb7f Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Thu, 12 Oct 2017 16:18:11 -0400
Subject: made collection of data more standard and efficient

---
 lib/wolff.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'lib/wolff.h')

diff --git a/lib/wolff.h b/lib/wolff.h
index 428ce85..82ccb9e 100644
--- a/lib/wolff.h
+++ b/lib/wolff.h
@@ -31,6 +31,17 @@ typedef struct {
   int32_t dHb;
 } cluster_t;
 
+typedef struct {
+  uint64_t n;
+  double x;
+  double dx;
+  double x2;
+  double m2;
+  double m4;
+  double c;
+  double dc;
+} meas_t;
+
 int32_t sign(double x);
 
 cluster_t *flip_cluster(const graph_t *g, const double *ps, bool *x,
@@ -40,3 +51,8 @@ graph_t *graph_add_ext(const graph_t *g);
 
 uint32_t wolff_step(double T, double H, ising_state_t *s, gsl_rng *r,
                     double *ps);
+
+void update_meas(meas_t *m, double x);
+
+double add_to_avg(double mx, double x, uint64_t n);
+
-- 
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