DtMmdb: move to lib directory as a standalone library.

2022-01-13 00:15:14 +08:00
parent f3baea9faa
commit e93b2bc626
589 changed files with 31 additions and 2985 deletions
--- a/cde/lib/DtMmdb/utility/pm_random.h
+++ b/cde/lib/DtMmdb/utility/pm_random.h
@@ -0,0 +1,83 @@
+/*
+ * CDE - Common Desktop Environment
+ *
+ * Copyright (c) 1993-2012, The Open Group. All rights reserved.
+ *
+ * These libraries and programs are free software; you can
+ * redistribute them and/or modify them under the terms of the GNU
+ * Lesser General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * These libraries and programs are distributed in the hope that
+ * they will be useful, but WITHOUT ANY WARRANTY; without even the
+ * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with these libraries and programs; if not, write
+ * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+ * Floor, Boston, MA 02110-1301 USA
+ */
+/*
+ * $XConsortium: pm_random.h /main/4 1996/06/11 17:38:21 cde-hal $
+ *
+ * Copyright (c) 1992 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+#ifndef _pm_random_h
+#define _pm_random_h 1
+
+#include "utility/macro.h"
+#include "utility/funcs.h"
+
+
+// from CACM 88.10 Park and Miller's paper.
+// rewritten to have important member functions inline.
+class pm_random {
+
+public:
+   pm_random(int sd = 19) ;	
+   virtual ~pm_random() {};
+
+   void seed(int = 19);
+   int initial_seed() { return v_i_seed; };
+   int current_seed() { return v_new_seed; };
+   int rand() {
+      int tmp = v_new_seed;
+      int test = 16807 * (v_new_seed % 127773) - 2836 * (v_new_seed / 127773);
+      v_new_seed = ( test > 0 ) ? test : test + 2147483647;
+      return tmp;
+   }; 
+   float rand_01() { return float(rand()) / 2147483647.0; };
+
+
+private:
+   int v_new_seed;
+   int v_i_seed;
+};
+
+#endif