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Asked by kfpetmart in RPG Programming Language, Programming for iSeries / AS400
I'm trying to write a program that computes the distances between 2 points using the 'great circle distance' formula. I'm using the C - ACOS function and my variables are defined as '8f' floating point.
This is the first time I've tried to do higher math functions in RPG and the first time with float point variables. I've searched the Internet and found many examples and have used them but cannot get the expected result WHEN USING FLOATING POINT variables. All the examples use floating point variables. I get a somewhat close result when I use signed decimal variables.
Is there some rule I don't know about when using floating point variables? I have the 'FLTDIV' H-statement at the top of my program.
Thanks.
Kevin
20091118-EE-VQP-93 - Hierarchy / EE_QW_3_20080625