As a total newbie I wonder about the following issue concerning pre-allocated return arguments. Imagine I have a function which is called a huge number of times which takes as input a vector and a scalar, manipulates them and returns the modified vector and scalar to the caller. This can be done wit…

[image] PSA: how to quote code with backticks Meta Discussion This is a short post on how to use backticks (` and ```) to quote code, so it is easy to read. This post can be linked to new users who are confused by this feature. Why By quoting your code, you ge…

[image] Pier: in f90 one can use intent(in) / intent (out) / intent (inout) to clearly identify what happens to subroutine arguments without having to look at the subroutine’s contents, and now you know which language I normally use… In full generality, I don’t think you can do this in julia. …

Fixed the backticks issue. Thanks!

[image] foobar_lv2: The extra allocations are very small: They allocate space for the tuple of pointers (to v and s). This is the key point. @Pier : if you just don’t use them (eg just call rettest(v, s) and ignore returned values), I think that even that is elided. But perhaps it would be be…

Pre-allocated return arguments

New to Julia

Tamas_Papp March 8, 2018, 1:48pm 2

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Pre-allocated return arguments

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