eo/src/eoUniform.h

@@ -0,0 +1,53 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// EOUniform.h
+// (c) GeNeura Team, 1998
+//-----------------------------------------------------------------------------
+
+#ifndef _EOUNIFORM_H
+#define _EOUNIFORM_H
+
+//-----------------------------------------------------------------------------
+
+#include <time.h>
+#include <stdlib.h> 
+
+#include <eoRnd.h>
+//-----------------------------------------------------------------------------
+// Class eoUniform
+//-----------------------------------------------------------------------------
+
+/// Generates uniform random number over the interval [min, max)
+template<class T>
+class eoUniform: public eoRnd<T>
+{
+ public:
+  /**
+   * Default constructor.
+   * @param _min  The minimum value in the interval.
+   * @param _max  The maximum value in the interval.
+   */
+  eoUniform(T _min = 0, T _max = 1)
+    : eoRnd<T>(), minim(_min), diff(_max - _min) {}
+
+  /**
+   * copy constructor.
+   * @param _rnd the other rnd
+   */
+  eoUniform( const eoUniform& _rnd)
+    : eoRnd<T>( _rnd), minim(_rnd.minim), diff(_rnd.diff) {}
+  
+  /// Returns an uniform dandom number over the interval [min, max).
+  virtual T operator()() { 
+	  return minim+ T( (diff * rand() )/ RAND_MAX); 
+  }
+  
+ private:
+  T minim;
+  double diff;
+};
+
+//-----------------------------------------------------------------------------
+
+#endif