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I took Matthias' suggestion above to mean he thought the density accumulator could be given additional "min" and "max" constructor parameters, not that we need a whole new accumulator. Matthias, was that what you were suggesting? I'd rather go that route.

Yes, that was my suggestion. Or we could implement the current one based on the simpler one.

Matthias

Okay. Maybe I have missunderstood something. Should the implementation be in the class density and optional min/max parameters? Best regards Hansjörg _____________________________________________________________________ Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! http://smartsurfer.web.de/?mc=100071&distributionid=000000000066