assorted-commits

[Assorted-commits] SF.net SVN: assorted: [475] cpp-commons/trunk/src/commons/rand.h

[<yan...@us...>]

Revision: 475
          http://assorted.svn.sourceforge.net/assorted/?rev=475&view=rev
Author:   yangzhang
Date:     2008-02-21 02:47:39 -0800 (Thu, 21 Feb 2008)

Log Message:
-----------
added rng from rtm's code

Added Paths:
-----------
    cpp-commons/trunk/src/commons/rand.h

Added: cpp-commons/trunk/src/commons/rand.h
===================================================================
--- cpp-commons/trunk/src/commons/rand.h	                        (rev 0)
+++ cpp-commons/trunk/src/commons/rand.h	2008-02-21 10:47:39 UTC (rev 475)
@@ -0,0 +1,21 @@
+#ifndef COMMONS_RAND_H_
+#define COMMONS_RAND_H_
+
+namespace commons
+{
+  /**
+   * TODO: Identify and rename this RNG.
+   */
+  class posix_rand {
+  private:
+    unsigned long randx;
+  public:
+    posix_rand(long s = 0) { randx = s; }
+    void seed(long s) { randx = s; }
+    long abs(long x) { return x & 0x7fffffff; }
+    long draw() { return randx = randx * 1103515245 + 12345; }
+    long operator()() { return abs(draw()); }
+  };
+}
+
+#endif


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[Assorted-commits] SF.net SVN: assorted: [615] cpp-commons/trunk/src/commons/rand.h

[<yan...@us...>]

Revision: 615
          http://assorted.svn.sourceforge.net/assorted/?rev=615&view=rev
Author:   yangzhang
Date:     2008-03-06 18:38:20 -0800 (Thu, 06 Mar 2008)

Log Message:
-----------
inlined rand methods

Modified Paths:
--------------
    cpp-commons/trunk/src/commons/rand.h

Modified: cpp-commons/trunk/src/commons/rand.h
===================================================================
--- cpp-commons/trunk/src/commons/rand.h	2008-03-06 00:41:49 UTC (rev 614)
+++ cpp-commons/trunk/src/commons/rand.h	2008-03-07 02:38:20 UTC (rev 615)
@@ -10,11 +10,11 @@
   private:
     unsigned long randx;
   public:
-    posix_rand(long s = 0) { randx = s; }
-    void seed(long s) { randx = s; }
-    long abs(long x) { return x & 0x7fffffff; }
-    long draw() { return randx = randx * 1103515245 + 12345; }
-    long operator()() { return abs(draw()); }
+    inline posix_rand(long s = 0) { randx = s; }
+    inline void seed(long s) { randx = s; }
+    inline long abs(long x) { return x & 0x7fffffff; }
+    inline long draw() { return randx = randx * 1103515245 + 12345; }
+    inline long operator()() { return abs(draw()); }
   };
 }
 


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[Assorted-commits] SF.net SVN: assorted: [632] cpp-commons/trunk/src/commons/rand.h

[<yan...@us...>]

Revision: 632
          http://assorted.svn.sourceforge.net/assorted/?rev=632&view=rev
Author:   yangzhang
Date:     2008-03-17 11:10:15 -0700 (Mon, 17 Mar 2008)

Log Message:
-----------
identified the RNG

Modified Paths:
--------------
    cpp-commons/trunk/src/commons/rand.h

Modified: cpp-commons/trunk/src/commons/rand.h
===================================================================
--- cpp-commons/trunk/src/commons/rand.h	2008-03-17 15:50:09 UTC (rev 631)
+++ cpp-commons/trunk/src/commons/rand.h	2008-03-17 18:10:15 UTC (rev 632)
@@ -4,7 +4,10 @@
 namespace commons
 {
   /**
-   * TODO: Identify and rename this RNG.
+   * Linear congruence generator.  This is actually an example rand() provided
+   * in the POSIX specification.
+   *
+   * TODO: rename this class
    */
   class posix_rand {
   private:


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.

[Assorted-commits] SF.net SVN: assorted: [634] cpp-commons/trunk/src/commons/rand.h

[<yan...@us...>]

Revision: 634
          http://assorted.svn.sourceforge.net/assorted/?rev=634&view=rev
Author:   yangzhang
Date:     2008-03-18 09:49:44 -0700 (Tue, 18 Mar 2008)

Log Message:
-----------
renamed lcg

Modified Paths:
--------------
    cpp-commons/trunk/src/commons/rand.h

Modified: cpp-commons/trunk/src/commons/rand.h
===================================================================
--- cpp-commons/trunk/src/commons/rand.h	2008-03-17 22:04:55 UTC (rev 633)
+++ cpp-commons/trunk/src/commons/rand.h	2008-03-18 16:49:44 UTC (rev 634)
@@ -4,8 +4,8 @@
 namespace commons
 {
   /**
-   * Linear congruence generator.  This is actually an example rand() provided
-   * in the POSIX specification.
+   * Linear congruential generator.  This is actually an example rand()
+   * provided in the POSIX specification.
    *
    * TODO: rename this class
    */


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.