From f211dbecd475ad630e54b29e2bd054c139aa1273 Mon Sep 17 00:00:00 2001
From: Bart Polot <bart@net.in.tum.de>
Date: Wed, 28 Jan 2015 16:56:47 +0000
Subject: - never resize to 0

---
 src/rps/gnunet-service-rps.c         |  4 ++--
 src/rps/gnunet-service-rps_sampler.c | 29 +++++++++++++++++++++++++++--
 src/rps/gnunet-service-rps_sampler.h |  9 +++++++++
 3 files changed, 38 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/rps/gnunet-service-rps.c b/src/rps/gnunet-service-rps.c
index 4a0027d72..e3e2c02c0 100644
--- a/src/rps/gnunet-service-rps.c
+++ b/src/rps/gnunet-service-rps.c
@@ -790,11 +790,11 @@ nse_callback (void *cls, struct GNUNET_TIME_Absolute timestamp,
 
   LOG (GNUNET_ERROR_TYPE_DEBUG,
        "Received a ns estimate - logest: %f, std_dev: %f (old_size: %u)\n",
-       logestimate, std_dev, RPS_sampler_get_size());
+       logestimate, std_dev, RPS_sampler_get_size ());
   //scale = .01;
   estimate = GNUNET_NSE_log_estimate_to_n (logestimate);
   // GNUNET_NSE_log_estimate_to_n (logestimate);
-  estimate = pow (estimate, 1./3);
+  estimate = pow (estimate, 1.0 / 3);
   // TODO add if std_dev is a number
   // estimate += (std_dev * scale);
   if (0 < ceil (estimate))
diff --git a/src/rps/gnunet-service-rps_sampler.c b/src/rps/gnunet-service-rps_sampler.c
index 01d8aa748..419110440 100644
--- a/src/rps/gnunet-service-rps_sampler.c
+++ b/src/rps/gnunet-service-rps_sampler.c
@@ -417,8 +417,8 @@ RPS_sampler_get_size ()
  *
  * @param new_size the new size of the sampler
  */
-  void
-RPS_sampler_resize (unsigned int new_size)
+static void
+sampler_resize (unsigned int new_size)
 {
   unsigned int old_size;
   uint32_t i;
@@ -480,6 +480,31 @@ RPS_sampler_resize (unsigned int new_size)
 }
 
 
+/**
+ * Grow or shrink the size of the sampler.
+ *
+ * @param new_size the new size of the sampler
+ */
+void
+RPS_sampler_resize (unsigned int new_size)
+{
+  GNUNET_assert (0 < new_size);
+  sampler_resize (new_size);
+}
+
+
+/**
+ * Empty the sampler.
+ *
+ * @param new_size the new size of the sampler
+ */
+void
+RPS_sampler_empty ()
+{
+  sampler_resize (0);
+}
+
+
 /**
  * Initialise a tuple of sampler elements.
  *
diff --git a/src/rps/gnunet-service-rps_sampler.h b/src/rps/gnunet-service-rps_sampler.h
index 4949ef9c6..d0ac11d0d 100644
--- a/src/rps/gnunet-service-rps_sampler.h
+++ b/src/rps/gnunet-service-rps_sampler.h
@@ -83,6 +83,15 @@ RPS_sampler_get_size ();
 RPS_sampler_resize (unsigned int new_size);
 
 
+/**
+ * Empty the sampler.
+ *
+ * @param new_size the new size of the sampler
+ */
+void
+RPS_sampler_empty ();
+
+
 /**
  * Initialise a tuple of samplers.
  *
-- 
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