November 2017
Beginner
316 pages
6h 40m
English
Content preview from Learning Julia
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Operations on floating point numbers
We regularly come across simple operations on floating point numbers in various programming languages not giving the expected value.
One common example is:
julia> x = 1.1; y = 0.1; x+y1.2000000000000002
This happens when that particular number doesn’t have the expected floating point representation.
We can use the setrounding() function provided by Julia to handle this:
julia> setrounding(Float64,RoundDown) dox + yend1.2
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.