X-Git-Url: http://git.treefish.org/~alex/phys/latlib.git/blobdiff_plain/a5f05e337d18c193ac57b4da0013d1cdc69f8faa..578c48ada63a6ea4f090728cf2b267fb3a731b78:/obstat.hpp?ds=inline

diff --git a/obstat.hpp b/obstat.hpp
index d66467b..57a3431 100644
--- a/obstat.hpp
+++ b/obstat.hpp
@@ -8,121 +8,150 @@
 
 using namespace std;
 
-template <typename obstype>
+template <typename meastype, typename restype>
 class obstat
 { 
 public:
-  void addMeas(const obstype& val);
-  void addMeas(obstype val[], int valsize);
+  void addMeas(const meastype& val);
+  void addMeas(meastype val[], int valsize);
 
-  void computeEasy(const string& compid="one", const int& ival=0) { mean(compid, &measurements, ival); }
+  int computeEasy(const int& ival=0) { return mean(&measurements, ival); }
 
-  void computeJack(const string& compid, double (*func)(vector< vector <obstype> > *vals, void *para)=NULL, void *para=NULL);
-  void computeJack(double (*func)(vector< vector <obstype> > *vals, void *para)=NULL, void *para=NULL) { computeJack("one",func,para); }
+  int computeJack(restype (*func)(vector< vector <meastype> > *vals, void *para), void *para=NULL);
+  int computeJack(void (*preMeasFunc)(vector< vector <meastype> > *allVals, vector <meastype> *preCalculated, void *para), 
+		  restype (*measFunc)(vector <meastype> *preCalculated, vector <meastype> *excludedmeas, int nmeas, void *para), void *para=NULL);
 
-  double getMean(const string& compid="one") { return computations[compid].val; }
-  double getErr(const string& compid="one") { return computations[compid].err; }
+  restype getMean(int compid) { return computations[compid].val; }
+  restype getErr(int compid) { return computations[compid].err; }
 
   void reset();
 
 private:
   struct result{
-    double val;
-    double err;
+    restype val;
+    restype err;
   };
 
-  vector< vector<obstype> > measurements;
-  map<string,result> computations;
+  vector< vector<meastype> > measurements;
+  vector<result> computations;
   
-  void mean(const string& compid, vector< vector <double> > *meas, const int& ival);
-  void mean(const string& compid, vector< vector <int> > *meas, const int& ival);
+  int mean(vector< vector <meastype> > *meas, const int& ival);
 };
 
-
-template <typename obstype> 
-void obstat<obstype>::reset()
+template <typename meastype, typename restype>
+void obstat<meastype,restype>::reset()
 {
   computations.clear();
   measurements.clear();
 }
 
-template <typename obstype> 
-void obstat<obstype>::addMeas(const obstype& val)
+template <typename meastype, typename restype>
+void obstat<meastype,restype>::addMeas(const meastype& val)
 {
-  measurements.push_back( vector<obstype>(1,val) );
+  measurements.push_back( vector<meastype>(1,val) );
 }
 
-template <typename obstype>
-void obstat<obstype>::addMeas(obstype val[], int valsize)
+template <typename meastype, typename restype>
+void obstat<meastype,restype>::addMeas(meastype val[], int valsize)
 {
-  vector<obstype> tmpvec;
-  for(int i=0; i<valsize; i++) tmpvec.push_back(val[i]);
+  vector<meastype> tmpvec;
+  for (int i=0; i<valsize; i++) 
+    tmpvec.push_back(val[i]);
   measurements.push_back(tmpvec);
 }
 
-template <typename obstype>
-void obstat<obstype>::mean(const string& compid, vector< vector<double> > *meas, const int& ival)
+template <typename meastype, typename restype>
+int obstat<meastype,restype>::mean(vector< vector<meastype> > *meas, const int& ival)
 {
-  computations[compid].val = 0;
-  computations[compid].err = 0;
+  result meanres;
+
+  meanres.val = 0;
+  meanres.err = 0;
   
   int nmeas = meas->size();
 
-  for(vector< vector<double> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
-    computations[compid].val += (*measIt)[ival];
-  computations[compid].val /= nmeas;
+  for (typename vector< vector<meastype> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
+    meanres.val += (*measIt)[ival];
+  meanres.val /= nmeas;
   
-  for(vector< vector<double> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
-    computations[compid].err += pow( (*measIt)[ival] - computations[compid].val, 2 );
-  computations[compid].err = sqrt( computations[compid].err ) / nmeas;	 
-}
+  for (typename vector< vector<meastype> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
+    meanres.err += pow( (*measIt)[ival] - meanres.val, 2 );
+  meanres.err = sqrt( meanres.err ) / (restype)nmeas;	 
 
-template <typename obstype>
-void obstat<obstype>::mean(const string& compid, vector< vector<int> > *meas, const int& ival)
-{
-  computations[compid].val = 0;
-  computations[compid].err = 0;
-  
-  int nmeas = meas->size();
+  computations.push_back(meanres);
 
-  for(vector< vector<int> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
-    computations[compid].val += (*measIt)[ival];
-  computations[compid].val /= nmeas;
-  
-  for(vector< vector<int> >::iterator measIt = meas->begin(); measIt != meas->end(); ++measIt)
-    computations[compid].err += pow( (*measIt)[ival] - computations[compid].val, 2 );
-  computations[compid].err = sqrt( computations[compid].err ) / nmeas;
-}				 
-    
-template <typename obstype>
-void obstat<obstype>::computeJack(const string& compid, double (*func)(vector< vector<obstype> > *vals, void *para), void *para)
+  return computations.size()-1;
+}
+
+template <typename meastype, typename restype>
+int obstat<meastype,restype>::computeJack(restype (*func)(vector< vector<meastype> > *vals, void *para), void *para)
 {
   int nmeas=measurements.size();
-  double manymeans[nmeas];
+  restype *manymeans = new restype[nmeas];
+  result jackres;
 
-  computations[compid].val = 0;
-  computations[compid].err = 0;
+  jackres.val = 0;
+  jackres.err = 0;
 
   int imeas=0;
-  for(typename vector< vector<obstype> >::iterator removedIt = measurements.begin(); removedIt != measurements.end(); ++removedIt, imeas++)
+  for(typename vector< vector<meastype> >::iterator removedIt = measurements.begin(); removedIt != measurements.end(); ++removedIt, imeas++)
     {
-      vector<obstype> removed = *removedIt;
+      vector<meastype> removed = *removedIt;
       
       *removedIt = measurements.back();
       measurements.pop_back();
 
       manymeans[imeas] = func(&measurements, para);
-      computations[compid].val += manymeans[imeas];
+      jackres.val += manymeans[imeas];
       
       measurements.push_back( *removedIt );
       *removedIt = removed;
     }
-  computations[compid].val /= nmeas;
+  jackres.val /= nmeas;
+
+  for(int imean=0; imean<nmeas; imean++)
+    jackres.err += pow( manymeans[imean] - jackres.val, 2 );
+  jackres.err *= (double)(nmeas-1)/nmeas;
+  jackres.err = sqrt(jackres.err);
+
+  computations.push_back(jackres);
 
+  delete [] manymeans;
+
+  return computations.size()-1;
+}
+
+template <typename meastype, typename restype>
+int obstat<meastype,restype>::computeJack(void (*preMeasFunc)(vector< vector <meastype> > *allVals, vector<meastype> *preCalculated, void *para), 
+					  restype (*measFunc)(vector<meastype> *preCalculated, vector<meastype> *excludedmeas, int nmeas, void *para),
+					  void *para) {
+  int nmeas=measurements.size();
+  restype *manymeans = new restype[nmeas];
+  result jackres;
+  vector<meastype> preCalculated;
+
+  jackres.val = 0;
+  jackres.err = 0;
+
+  preMeasFunc(&measurements, &preCalculated, para);
+
+  int imeas=0;
+  for(typename vector< vector<meastype> >::iterator removedIt = measurements.begin(); removedIt != measurements.end(); ++removedIt, imeas++) {
+    manymeans[imeas] = measFunc(&preCalculated, &(*removedIt), measurements.size(), para);
+    jackres.val += manymeans[imeas]; 
+  }
+  jackres.val /= nmeas;
+  
   for(int imean=0; imean<nmeas; imean++)
-    computations[compid].err += pow( manymeans[imean] - computations[compid].val, 2 );
-  computations[compid].err *= (double)(nmeas-1)/nmeas;
-  computations[compid].err = sqrt(computations[compid].err);
+    jackres.err += pow( manymeans[imean] - jackres.val, 2 );
+  jackres.err *= (double)(nmeas-1)/nmeas;
+  jackres.err = sqrt(jackres.err);
+
+  computations.push_back(jackres);
+
+  delete [] manymeans;
+
+  return computations.size()-1;
 }
 
 #endif