Re: Calculating a total

This WebDNA talk-list message is from

2000


It keeps the original formatting.
numero = 36197
interpreted = N
texte = On 8/15/00 6:19 pm, Stuart Tremain so noted...>I've rethought this: > >and come up with a workable solution: > >[Text]NewSubTotal=[math]total=[lineitems] >[math]([quantity]*[price])* >[ShowIf [Math]([weeks]/4)*[quantity][/math]<3]0.95[/ShowIf] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=3]0.9[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=4]0.9[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=5]0.9[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=6]0.85[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=7]0.85[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=8]0.85[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=9]0.8[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=10]0.8[/Showif] >[ShowIf [Math]([weeks]/4)*[quantity][/math]=11]0.8[/Showif] >[SHOWIF [Math]([weeks]/4)*[quantity][/math]>11]0.75[/Showif] >[/math] >+[/lineitems]0[/math][/Text]Any time I do the same calculation more than once, I tend to give it its own variable.[Text]NewSubTotal=[math]total=[lineitems] [math show=f]w=([weeks]/4)*[quantity][/math] [math]([quantity]*[price])* [ShowIf [w]<3]0.95[/ShowIf] [ShowIf [w]=3]0.9[/Showif] [ShowIf [w]=4]0.9[/Showif] [ShowIf [w]=5]0.9[/Showif] [ShowIf [w]=6]0.85[/Showif] [ShowIf [w]=7]0.85[/Showif] [ShowIf [w]=8]0.85[/Showif] [ShowIf [w]=9]0.8[/Showif] [ShowIf [w]=10]0.8[/Showif] [ShowIf [w]=11]0.8[/Showif] [ShowIf [w]>11]0.75[/Showif] [/math] +[/lineitems]0[/math][/Text]... I wonder which has less overhead in the long run -- repeated [math] expressions, or the setting and recalling of the variables? Does WebCat recognize when it's performing a repetitive task and cache the result?Rob Marquardt Designer/Resident Wirehead Toast Design800 Washington Avenue North Minneapolis MN 55401 612.330.9863 v 612.321.9424 f www.toastdesign.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Associated Messages, from the most recent to the oldest:

    
  1. Re: Calculating a total (Stuart Tremain 2000)
  2. Re: Calculating a total (Rob Marquardt 2000)
  3. Re: Calculating a total (John Peacock 2000)
  4. Re: Calculating a total (Stuart Tremain 2000)
  5. Re: Calculating a total (Stuart Tremain 2000)
  6. Calculating a total (Stuart Tremain 2000)
On 8/15/00 6:19 pm, Stuart Tremain so noted...>I've rethought this: > >and come up with a workable solution: > >[text]NewSubTotal=[math]total=[lineitems] >[math]([quantity]*[price])* >[ShowIf [math]([weeks]/4)*[quantity][/math]<3]0.95[/ShowIf] >[ShowIf [math]([weeks]/4)*[quantity][/math]=3]0.9[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=4]0.9[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=5]0.9[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=6]0.85[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=7]0.85[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=8]0.85[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=9]0.8[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=10]0.8[/Showif] >[ShowIf [math]([weeks]/4)*[quantity][/math]=11]0.8[/Showif] >[SHOWIF [math]([weeks]/4)*[quantity][/math]>11]0.75[/Showif] >[/math] >+[/lineitems]0[/math][/Text]Any time I do the same calculation more than once, I tend to give it its own variable.[text]NewSubTotal=[math]total=[lineitems] [math show=f]w=([weeks]/4)*[quantity][/math] [math]([quantity]*[price])* [ShowIf [w]<3]0.95[/ShowIf] [ShowIf [w]=3]0.9[/Showif] [ShowIf [w]=4]0.9[/Showif] [ShowIf [w]=5]0.9[/Showif] [ShowIf [w]=6]0.85[/Showif] [ShowIf [w]=7]0.85[/Showif] [ShowIf [w]=8]0.85[/Showif] [ShowIf [w]=9]0.8[/Showif] [ShowIf [w]=10]0.8[/Showif] [ShowIf [w]=11]0.8[/Showif] [ShowIf [w]>11]0.75[/Showif] [/math] +[/lineitems]0[/math][/Text]... I wonder which has less overhead in the long run -- repeated [math] expressions, or the setting and recalling of the variables? Does WebCat recognize when it's performing a repetitive task and cache the result?Rob Marquardt Designer/Resident Wirehead Toast Design800 Washington Avenue North Minneapolis MN 55401 612.330.9863 v 612.321.9424 f www.toastdesign.com ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Rob Marquardt

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