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diff --git a/WCudaMSE/BilatTools_CPP/src/core/tools/cpp/AleaTools.cpp b/WCudaMSE/BilatTools_CPP/src/core/tools/cpp/AleaTools.cpp
new file mode 100755
index 0000000..f55adc1
--- /dev/null
+++ b/WCudaMSE/BilatTools_CPP/src/core/tools/cpp/AleaTools.cpp
@@ -0,0 +1,72 @@
+#include <iostream>
+#include <math.h>
+#include <cstdlib>
+#include <stdlib.h>
+
+#include "AleaTools.h"
+
+using std::cout;
+using std::endl;
+
+/*----------------------------------------------------------------------*\
+ |*			Implementation 					*|
+ \*---------------------------------------------------------------------*/
+
+/*--------------------------------------*\
+ |*		Constructor		*|
+ \*-------------------------------------*/
+
+AleaTools::AleaTools()
+    {
+    srand(time(NULL));
+    }
+
+AleaTools::~AleaTools()
+    {
+    // rien
+    }
+
+/*--------------------------------------*\
+ |*		Methodes		*|
+ \*-------------------------------------*/
+
+/*----------------------*\
+ |*	static		*|
+ \*---------------------*/
+
+/**
+ * in [a,b]
+ * Attention : pas thread safe
+ */
+double AleaTools::uniformeAB(double a, double b)
+    {
+    return a + uniforme01() * (b - a);
+    }
+
+/**
+ * in [0,1]
+ * Attention : pas thread safe
+ */
+double AleaTools::uniforme01(void)
+    {
+    // rand in [0,RAND_MAX]
+    return rand() / (double) RAND_MAX;
+    }
+
+/**
+ * in [a,b]
+ * Attention : pas thread safe
+ */
+int AleaTools::uniformeAB(int a, int b)
+    {
+    // rand in [0,RAND_MAX]
+    double pente = (b-a)/(double)RAND_MAX;
+
+    return a+(int)(pente*rand());
+    }
+
+
+/*----------------------------------------------------------------------*\
+ |*			End	 					*|
+ \*---------------------------------------------------------------------*/
+