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py/objint_longlong: Fix longlong interoperability with floats. #17740

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Merged
merged 1 commit into from
Jul 28, 2025
Merged

py/objint_longlong: Fix longlong interoperability with floats. #17740

merged 1 commit into from
Jul 28, 2025
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yoctopuce
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Summary

Current longlong implementation does not allow a float as RHS of mathematic operators, as it lacks the delegation code present in mpz. This was mentionned in in #16953 but postponed to a separate PR.

Testing

Test cases similar to int_big have been createt for int_64. The only test case which was not included is the complex test case, as small ports may not include complex support (eg. zephir).
The code has been tested on unix/longlong variant of development branch.

Trade-offs and Alternatives

This fixes a serious limitation of current longlong implementation, so I guess there isn't any tradeoff.

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codecov bot commented Jul 22, 2025 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.38%. Comparing base (3c69277) to head (3a72f95).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files 
@@           Coverage Diff           @@
##           master   #17740   +/-   ##
=======================================
  Coverage   98.38%   98.38%           
=======================================
  Files         171      171           
  Lines       22240    22240           
=======================================
  Hits        21881    21881           
  Misses        359      359

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Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:    +0 +0.000% PYBV10
     mimxrt:    +0 +0.000% TEENSY40
        rp2:    +0 +0.000% RPI_PICO_W
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:    +0 +0.000% VIRT_RV32

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@dpgeorge @projectgus
The failing test is a false positive, so this code is ready for review.

@dpgeorge dpgeorge added the py-core Relates to py/ directory in source label Jul 23, 2025
@yoctopuce yoctopuce force-pushed the fix_longlong_float_support branch from 5b01728 to 3e3243a Compare July 24, 2025 10:56
@yoctopuce
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rebased to master

dpgeorge
dpgeorge approved these changes Jul 28, 2025
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This looks good, thanks. It matches the logic in the mpz binary-op implementation.

@yoctopuce @dpgeorge
py/objint_longlong: Fix longlong interoperability with floats.
3a72f95 
Current longlong implementation does not allow a float as RHS of mathematic
operators, as it lacks the delegation code present in mpz.

Signed-off-by: Yoctopuce dev <dev@yoctopuce.com>
@dpgeorge dpgeorge force-pushed the fix_longlong_float_support branch from 3e3243a to 3a72f95 Compare July 28, 2025 15:14
@dpgeorge dpgeorge merged commit 3a72f95 into micropython:master Jul 28, 2025
67 of 68 checks passed
@yoctopuce yoctopuce deleted the fix_longlong_float_support branch July 28, 2025 15:51
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@dpgeorge dpgeorge dpgeorge approved these changes

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@yoctopuce @dpgeorge