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Re-order apply_scalar_binary signature to pass functor first #3156
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Jenkins Console Log Machine informationNo LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.3 LTS Release: 20.04 Codename: focalCPU: G++: Clang: |
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Looks good -- if you're on a consistency kick, apply_vector_unary
is also "backwards"
require_std_vector_vt<std::is_integral, T1>* = nullptr, | ||
require_eigen_vector_vt<is_stan_scalar, T2>* = nullptr> | ||
inline auto apply_scalar_binary(T1&& x, T2&& y, F&& f) { | ||
inline auto apply_scalar_binary(F&& f, T1&& x, T2&& y) { | ||
check_matching_sizes("Binary function", "x", x, "y", y); | ||
return make_holder( | ||
[](auto& f_inner, auto& x_inner, auto& y_inner) { |
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(side note / different PR) these could be auto&&
and when you call f
and then you can do std::forward<decltype(x_inner)>(x_inner)
etc
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Oh good shout, will work up a PR
Classic past-me making more work for future-me. Thanks will sort! |
Summary
The signature for
apply_scalar_binary
currently takes the functor as its last argument (i.e.,apply_scalar_binary(x, y, f)
) which is a bit of a non-standard pattern and isn't consistent withapply_scalar_ternary
This PR updates the signatures and function usage for
apply_scalar_binary
to take the binary functor as its first argumentTests
N/A - Current tests should still pass
Side Effects
N/A
Release notes
Updated signature for
apply_scalar_binary
to take the functor as its first argument, instead of the lastChecklist
Copyright holder: Andrew Johnson
The copyright holder is typically you or your assignee, such as a university or company. By submitting this pull request, the copyright holder is agreeing to the license the submitted work under the following licenses:
- Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
- Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
the basic tests are passing
./runTests.py test/unit
)make test-headers
)make test-math-dependencies
)make doxygen
)make cpplint
)the code is written in idiomatic C++ and changes are documented in the doxygen
the new changes are tested