From 40b32be3718f0f2e01c4a21bb0004b7f93670c42 Mon Sep 17 00:00:00 2001
From: mtklein <mtklein@chromium.org>
Date: Wed, 9 Jul 2014 08:46:49 -0700
Subject: nanobench: add median and --cpu/--gpu

BUG=skia:
R=krajcevski@google.com, mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/377283002
---
 tools/Stats.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tools/Stats.h')

diff --git a/tools/Stats.h b/tools/Stats.h
index 2370084fd6..5128897d85 100644
--- a/tools/Stats.h
+++ b/tools/Stats.h
@@ -1,6 +1,8 @@
 #ifndef Stats_DEFINED
 #define Stats_DEFINED
 
+#include "SkTSort.h"
+
 struct Stats {
     Stats(const double samples[], int n) {
         min = samples[0];
@@ -21,12 +23,18 @@ struct Stats {
             err += (samples[i] - mean) * (samples[i] - mean);
         }
         var = err / (n-1);
+
+        SkAutoTMalloc<double> sorted(n);
+        memcpy(sorted.get(), samples, n * sizeof(double));
+        SkTQSort(sorted.get(), sorted.get() + n - 1);
+        median = sorted[n/2];
     }
 
     double min;
     double max;
     double mean;  // Estimate of population mean.
     double var;   // Estimate of population variance.
+    double median;
 };
 
 #endif//Stats_DEFINED
-- 
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