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#### Summary:
See title. This is a `stan-dev/math` issue.
A `stan::math::abs()` implementation implementation would probably solve the problem.
#### Reproducible Steps:
```
parameters {
…
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This is a request to include passive scalars in the code, just like Athena 4.2. I've hacked passive scalars into Athena++ in the past, and the need for them has arisen again, so I figure this time I s…
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Currently we have the TorsionDrive service which causes geometry optimizations in a wavefront propagation, as this can spawn multiple geometry optimization without dependance this makes for a good QCF…
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I am trying to solve an unconstrained nonlinear optimization problem, using `snOptB` interface in snopt 7.5-1.4 (not SNOPT 7.6). When I call `setProblemSize` in `snopt_cwrap.h`, I set `ne` to 0, as I …
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Just hit an issue when overloading a function accepting `inplace_function` vs. `std::function`. The compiler (MSVC 2017, clang 7) cannot disambiguate by function arguments. Here is a repro example and…
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ghost updated
5 years ago
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This issue is related to:
* nilable types #12614
* Specifying arguments with class type and any nilability? #13088
* What does an undecorated class type `C` mean? #12917
Suppose that we hav…
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See http://compare-lectures.quantecon.org/jl/optimization_solver_packages.html# for the current lecture on this. It isn't currently compiling, but you can see the text.
I would like to add in some…
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This issue lists the current outputs, and then a minimal set of signatures (those are the two sections below). After each sub-section there's a list of issues with implementing this, some of which I …
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I test all ZDT1-ZDT6 except ZDT5. IGD values is compatible with original paper(http://dces.essex.ac.uk/staff/zhang/papers/moead.pdf). However, the metric IGD of ZDT4 is very different from the paper (…