dirty hack in Jamroot to switch Minuit2 libs

Jamroot

+import os ;
+local MinuitVariant = [ os.environ MinuitVariant ] ; 
 path-constant TOP : . ;
 local rlibs = [ SHELL "$(ROOTSYS)/bin/root-config --libs" ] ;
 ROOTLIBS = [ MATCH "(.*)[\n]" : $(rlibs) ] ;
@@ -13,7 +15,7 @@ project :
 	<cxxflags>-fopenmp
 	<linkflags>$(ROOTLIBS)
 	<linkflags>$(BOOSTLIBS)
-	<linkflags>-lMinuit2
+	<linkflags>-l$(MinuitVariant)
 	<linkflags>-lgomp
 	<linkflags>-pthread
 	<linkflags>-fopenmp

Utils/ErrValue.hh

-#ifndef ERRVALUE_HH
-#define ERRVALUE_HH
+#pragma once
 
 #include <iostream>
 
-class ErrValue
-{
+class ErrValue {
 public:
 
   ErrValue();
@@ -36,13 +34,9 @@ public:
   bool operator>=(ErrValue& v) const;
 
 private:
-
   double meanValue;
   double plus;
   double minus;
 
 friend std::ostream &operator<<(std::ostream &o, const ErrValue &v);
-
 };
-
-#endif

Utils/MathUtils.hh

-#ifndef MATHUTILS_HH
-#define MATHUTILS_HH
+#pragma once
 
 #include <cassert>
 
-inline double pow(double x, int p)
-{
+inline double pow(double x, int p) {
   if(p == 0) return 1.0;
   if(x == 0.0 && p > 0) return 0.0;
   if(p < 0) {p=-p; x=1/x;}
@@ -17,8 +15,7 @@ inline double pow(double x, int p)
   }
 }
 
-inline double pow(double x, unsigned int p)
-{
+inline double pow(double x, unsigned int p) {
   if(p == 0) return 1.0;
   if(x == 0.0) return 0.0;
 	
@@ -30,9 +27,7 @@ inline double pow(double x, unsigned int p)
   }
 }
 
-
-inline int pow(int x, int p)
-{
+inline int pow(int x, int p) {
   if(p == 0) return 1;
   if(x == 0 && p > 0) return 0;
   if(p < 0) {assert(x == 1 || x == -1); return (-p % 2) ? x : 1;}
@@ -45,8 +40,7 @@ inline int pow(int x, int p)
   }
 }
 
-inline unsigned int pow(unsigned int x, unsigned int p)
-{
+inline unsigned int pow(unsigned int x, unsigned int p) {
   if(p == 0) return 1;
   if(x == 0) return 0;
 	
@@ -57,5 +51,3 @@ inline unsigned int pow(unsigned int x, unsigned int p)
     x *= x;
   }
 }
-
-#endif

Utils/PawianCollectionUtils.hh

-#ifndef _PawianCollectionUtils_H
-#define _PawianCollectionUtils_H
+#pragma once
 
 #include <algorithm>
 #include <boost/shared_ptr.hpp>
 
-
 namespace pawian {
   namespace Collection {
-
     struct PtrLess {
-       template<class PtrType>
+      template<class PtrType>
       bool operator()(PtrType ptr1, PtrType ptr2) const {
         return (*ptr1) < (*ptr2);
       }
     };
-
+    
     struct SharedPtrLess {
-       template<class PtrType>
-      bool operator()(boost::shared_ptr<PtrType> shptr1, boost::shared_ptr<PtrType> shptr2) const {
+      template<class PtrType>
+      bool operator()(boost::shared_ptr<PtrType> shptr1, 
+		      boost::shared_ptr<PtrType> shptr2) const {
 	PtrType* ptr1=shptr1.get();
 	PtrType* ptr2=shptr2.get();
         return (*ptr1) < (*ptr2);
       }
     };
-
-    }
-
   }
-
-#endif
+}