Utils: Add stddev support to Statistics

[senf.git] / senf / Utils / Statistics.cci

diff --git a/senf/Utils/Statistics.cci b/senf/Utils/Statistics.cci
index 1f109db..d58a9bd 100644 (file)
--- a/senf/Utils/Statistics.cci
+++ b/senf/Utils/Statistics.cci
@@ -46,19 +46,19 @@ senf::StatisticsBase::Transform::operator()(first_argument_type i)
 // senf::StatisticsBase::OutputEntry
 
 prefix_ senf::StatisticsBase::OutputEntry::OutputEntry()
-    : n(), min(), avg(), max() 
+    : n(), min(), avg(), max(), dev()
 {
     initDir();
 }
 
 prefix_ senf::StatisticsBase::OutputEntry::OutputEntry(unsigned n_)
-    : n(n_), min(), avg(), max() 
+    : n(n_), min(), avg(), max(), dev()
 {
     initDir();
 }
 
 prefix_ senf::StatisticsBase::OutputEntry::OutputEntry(const OutputEntry& other)
-    : n(other.n), min(other.min), avg(other.avg), max(other.max) 
+    : n(other.n), min(other.min), avg(other.avg), max(other.max), dev(other.dev)
 {
     initDir();
 }
@@ -76,6 +76,7 @@ senf::StatisticsBase::OutputEntry::operator=(const OutputEntry& other)
     min = other.min;
     avg = other.avg;
     max = other.max;
+    dev = other.dev;
     return *this;
 }
 
@@ -120,6 +121,12 @@ prefix_ float senf::StatisticsBase::max()
     return max_;
 }
 
+prefix_ float senf::StatisticsBase::dev()
+    const
+{
+    return dev_;
+}
+
 prefix_ unsigned senf::StatisticsBase::rank()
     const
 {
@@ -141,7 +148,7 @@ prefix_ std::string senf::StatisticsBase::path()
 // senf::Collector
 
 prefix_ senf::Collector::Collector(StatisticsBase * owner, unsigned rank)
-    : rank_ (rank), i_ (0u), accMin_ (FLT_MAX), accAvg_ (0.0f), accMax_ (-FLT_MAX),
+    : rank_ (rank), i_ (0u), accMin_ (FLT_MAX), accSum_ (0.0f), accSumSq_ (0.0f), accMax_ (-FLT_MAX),
       owner_ (owner)
 {}
 
@@ -161,14 +168,14 @@ senf::Collector::output(unsigned n)
 ///////////////////////////////////////////////////////////////////////////
 // senf::Statistics
 
-prefix_ void senf::Statistics::operator()(float min, float avg, float max)
+prefix_ void senf::Statistics::operator()(float min, float avg, float max, float dev)
 {
-    enter(min, avg, max);
+    enter(min, avg, max, dev);
 }
 
-prefix_ void senf::Statistics::operator()(float value)
+prefix_ void senf::Statistics::operator()(float value, float dev)
 {
-    enter(value, value, value);
+    enter(value, value, value, dev);
 }
 
 prefix_ senf::StatisticsBase::OutputProxy<senf::Statistics>