X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=simul.h;h=b62132a66a636115c3484073d7277bc5898d0eeb;hp=2719b3c9fb46fd67e6479775e3dfc6a1c113945f;hb=f0f013a727d36ba4c63edfcee634b4aeef960750;hpb=a95154919f950f86de9104b2b9dcf1f0c7e83387

diff --git a/simul.h b/simul.h
index 2719b3c..b62132a 100644
--- a/simul.h
+++ b/simul.h
@@ -3,11 +3,14 @@
 
 #include<cassert>
 
+#include "boost/random.hpp"
 
 class simul {
 public:
 
-        virtual ~simul() {}
+ simul(unsigned int seed) : engine(seed), rg(engine, boost::random::uniform_01<>()) {
+  }
+
 	// interval : [,)
 	// random number should be in [0, arr[len - 1])
 	// If by chance arr[len - 1] == 0.0, one possibility is to sample uniformly from 0 ... len - 1
@@ -29,9 +32,11 @@ public:
 	  return l;
 	}
 
-	virtual double random() { return 0.0; };
+	double random() { return rg(); };
 
 private:
+	boost::random::mt19937 engine;
+	boost::random::variate_generator<boost::random::mt19937&, boost::random::uniform_01<> > rg;
 };
 
 #endif /* SIMUL_H_ */