Need some help with velocity scripting math

Question

learning some velocity scripting and having some issues rendering.
this is what i have.
#if (${topics_cList.get(0).topics_Total} > 0 )

#set( $topic1Percent = $math.div(${topics_cList.get(0).topic1}, ${topics_cList.get(0).topics_Total}) )
#set( $topics2Percent = $math.div(${topics_cList.get(0).topic2}, ${topics_cList.get(0).topics_Total}) )
#set( $topics3Percent = $math.div(${topics_cList.get(0).topic3}, ${topics_cList.get(0).topicsTotal}) )

Percentage of topics 1: $number.number($topics1Percent) %

Percentage of topics 2: $number.number($topics2Percent) %

Percentage of topics 3: $number.number($topics3Percent) %

#end
 
the values are not rendering.
any direction or articles that can help?

SanfordWhiteman · Answer

This is impossible to answer because you haven't really asked a question!

Reverse-engineering someone's reqs from (non-working code) isn't the way to go, and there's almost certainly an XY problem at work here.

So please explain (a) your custom object data model and (b) the business requirements.

I will say upfront that looking at only the first item in an unsorted list is almost always wrong.

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