Changeset 2596:9c00e972cdfd in lemon-0.x

Timestamp:

03/20/08 17:25:47 (16 years ago)

Author:

Balazs Dezso

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@3479

Message:

Back porting commit 81563e019fa4

Files:

• lemon/random.h (modified) (1 diff)
• test/random_test.cc (modified) (1 diff)

lemon/random.h

@@ -579 +579 @@
     }
 
+    /// \brief Seeding random sequence
+    ///
+    /// Seeding the random sequence. The current number type will be
+    /// converted to the architecture word type.
+    template <typename Number>
+    void seed(Number seed) { 
+      _random_bits::Initializer<Number, Word>::init(core, seed);
+    }
+
+    /// \brief Seeding random sequence
+    ///
+    /// Seeding the random sequence. The given range should contain
+    /// any number type and the numbers will be converted to the
+    /// architecture word type.
+    template <typename Iterator>
+    void seed(Iterator begin, Iterator end) { 
+      typedef typename std::iterator_traits<Iterator>::value_type Number;
+      _random_bits::Initializer<Number, Word>::init(core, begin, end);
+    }
+
     /// \brief Returns a random real number from the range [0, 1)
     ///

test/random_test.cc

@@ -34 +34 @@
   //Does gamma work with integer k?
   a=rnd.gamma(4.0,0);
+
+  lemon::rnd.seed(100);
+  lemon::rnd.seed(seed_array, seed_array + 
+                  (sizeof(seed_array) / sizeof(seed_array[0])));
+  return 0;
 }