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math: fix pure v math.pow #19287

Merged
merged 1 commit into from
Sep 6, 2023
Merged

math: fix pure v math.pow #19287

merged 1 commit into from
Sep 6, 2023

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Le0Developer
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@Le0Developer Le0Developer commented Sep 6, 2023

I did an oopsie. See also #19274.

Seems like an oversight that the CI only tests the C backend for now, meaning pure V implementations don't get any test coverage currently.
Maybe we need an extra CI that ignores .c.v?

馃 Generated by Copilot at 9d476fd

Simplify the calculation of negative powers in math/pow.v by removing unnecessary sign manipulation.

馃 Generated by Copilot at 9d476fd

  • Simplify reciprocal calculation for negative x and odd y in pow function (link)

@spytheman
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spytheman commented Sep 6, 2023

Maybe we need an extra CI that ignores .c.v?

Yes, but imho that first needs to be developed as a compiler feature.
I do not want to hack it on the CI with just rm -rf vlib/math/*.c.v .

edit: the exclusion option will be added in #19290 , with it, it can be done with: ./v -exclude @vlib/math/*.c.v test vlib/math :
image

Same patched compiler from PR#19290, but with vlib/math from this PR:
image

@spytheman spytheman merged commit 43ccba3 into vlang:master Sep 6, 2023
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@Le0Developer Le0Developer deleted the fix/mathpow branch September 6, 2023 18:42
spytheman added a commit to Spydr06/v that referenced this pull request Sep 8, 2023
* master: (128 commits)
  ci: update containers_ci.yml to not try to install libexecinfo-static, which is not present on the latest Alpine image
  checker: disallow module name duplicates in local names (vlang#18118)
  cgen: cleanup go_before_stmt(0) (vlang#19308)
  parser: disallow using `sql` as name (vlang#19298)
  fmt: cleanup fmt comments (vlang#19306)
  tests: supplement test cases in fixed_array_const_size_test.v (vlang#19303)
  vdoc: prevent main-content outline with certain devices / browsers (vlang#19304)
  cgen: fix printing struct with thread field (vlang#19302)
  vlib: replace macros that resolve to __builtin_bswapnn calls for tcc (vlang#19305)
  time: add `MMM` in the doc comment for parse_format() (vlang#19299)
  os: include sys/sysctl.h on FreeBSD to avoid implicit definition of sysctl function (vlang#19293)
  parser, transformer: fix transformer.infix_expr() and cleanup parse_types.v (related vlang#19269) (vlang#19276)
  fmt: simplify the processing logic for removing inline comments (vlang#19297)
  db.pg: allow postgres connection using service definitions (vlang#19288)
  builtin: use `libgc-threaded` on FreeBSD, to get the threaded version of libgc (vlang#19294)
  ci: test the pure V math versions without .c.v overrides on the CI too (vlang#19292)
  all: support `./v -exclude @vlib/math/*.c.v vlib/math/math_test.v`, for using the pure V math module implementation, without the .c.v overrides there. (vlang#19290)
  .cirrus.yml: change test_zip_modules -> test_zip_modules_script, so that the CI can recognise the new task name and execute it
  thirdparty/zip: properly include utime.h and set defines for FreeBSD (vlang#19285)
  math: fix pure v math.pow (vlang#19287)
  ...
Wertzui123 pushed a commit to Wertzui123/v that referenced this pull request Oct 8, 2023
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2 participants