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[fpmp] Accurate, C99-conforming and faster fp32mp2 pow - #12548

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rmlarsen wants to merge 6 commits into

NVIDIA:mainfrom

rmlarsen:fpmp-pow-accurate

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[fpmp] Accurate, C99-conforming and faster fp32mp2 pow#12548
rmlarsen wants to merge 6 commits into
NVIDIA:mainfrom
rmlarsen:fpmp-pow-accurate

Commits on Nov 13, 2026
- [fpmp] CI override: run the cuda/fp unit tests on sm_75 and sm_90 [reset before merging]
  
  rmlarsen
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  claude
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  0b4c840
- [fpmp] CI override: name CTK 12.X's compilers
  
  rmlarsen
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  6d6042c
- [fpmp] Compute fp32mp2 pow from a triple-float ln|a| and a table-driven exp
  
  rmlarsen
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  claude
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  856fc49
- [fpmp] Give the pow tables hidden visibility and test pow on subnormal bases
  
  rmlarsen
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  80f4fbd
- [fpmp] Review: check the lo limb of pow's exact +-1 results
  
  rmlarsen
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  ae456f8
- [fpmp] Hide the pow tables in host code only
  
  rmlarsen
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  479cc92