Optimise von_mises_lpdf
gradient calc
#3010
Merged
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Summary
Closes #3008 by using the reflection identity of the
modified_bessel_first_kind
to use order 1 instead of -1, as Boost's implementation is more optimised with order 1Tests
Replaced the
von_mises_lpdf
mix
tests with the AD testing framework, expanded to test vectorised signatures as wellSide Effects
N/A
Release notes
Improved efficiency of
von_mises_lpdf
gradient calculation, credit to @venpopovChecklist
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