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For new programmers - Understanding Floating Point Numbers (and peculiarities)

jimdempseyatthecove
Honored Contributor III
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I came across this video on YouTube that does a good (not too technical) explanation of floating point numbers, and why they are approximations for some numbers and the peculiar results that may occur. For example (A > 0.0 .and. B > 0.0 .and. A+B == A) can result in .true.

 

Jim Dempsey

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