[Jrobin-commits] src/org/jrobin/core Datasource.java,1.10,1.11

[Sasa M. <sa...@us...>]

Update of /cvsroot/jrobin/src/org/jrobin/core
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31562/org/jrobin/core

Modified Files:
	Datasource.java 
Log Message:
Performance improvement (10%) for COUNTER datatype as suggested on http://www.jrobin.org/phpBB2/viewtopic.php?t=122

Index: Datasource.java
===================================================================
RCS file: /cvsroot/jrobin/src/org/jrobin/core/Datasource.java,v
retrieving revision 1.10
retrieving revision 1.11
diff -C2 -d -r1.10 -r1.11
*** Datasource.java	9 Nov 2004 11:36:53 -0000	1.10
--- Datasource.java	17 Feb 2005 10:18:18 -0000	1.11
***************
*** 40,43 ****
--- 40,46 ----
  
  public class Datasource implements RrdUpdater, DsTypes {
+ 	private static final double MAX_32_BIT = Math.pow(2, 32);
+ 	private static final double MAX_64_BIT = Math.pow(2, 64);
+ 	
  	private RrdDb parentDb;
  	// definition
***************
*** 224,234 ****
  				if(!Double.isNaN(newValue) && !Double.isNaN(oldValue)) {
  					double diff = newValue - oldValue;
- 					double max32bit = Math.pow(2, 32);
- 					double max64bit = Math.pow(2, 64);
  					if(diff < 0) {
!                            diff += max32bit;
  					}
  					if(diff < 0) {
!                            diff += max64bit - max32bit;
  					}
  					if(diff >= 0) {
--- 227,235 ----
  				if(!Double.isNaN(newValue) && !Double.isNaN(oldValue)) {
  					double diff = newValue - oldValue;
  					if(diff < 0) {
!                            diff += MAX_32_BIT;
  					}
  					if(diff < 0) {
!                            diff += MAX_64_BIT - MAX_32_BIT;
  					}
  					if(diff >= 0) {