Matouš Jan FialkaandGitHub
c38876b46f
Space Lua: Improve numeric types semantics (#1803)
* Space Lua: Improve numeric types semantics
Add numeric result normalization for arithmetic operations:
* Integer operations preserve int type, collapse -0 to +0
* Float operations preserve float type, maintain -0.0
* Division always produces float results
Fix for-loop variable type tracking:
* Loop variable type determined by start/step parameters
* Integer loops produce integer variables
* Float/mixed loops produce float-tagged variables
Implement table key normalization:
* Integer-valued floats (1.0, 2.0) normalize to integer keys
* All zero variants (0, 0.0, -0.0) map to same key
* Non-integer floats (1.5) remain distinct keys
Add tests for:
* Arithmetic type preservation across operators
* For-loop type modes (int/float/mixed)
* Table key equivalence and normalization
* Edge cases with zero, -0.0, and special values
* Standard library `type` and `math.type`
Signed-off-by: Matouš Jan Fialka <mjf@mjf.cz>
* Code refactor and deduplication
Signed-off-by: Matouš Jan Fialka <mjf@mjf.cz>
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Signed-off-by: Matouš Jan Fialka <mjf@mjf.cz>
2026-02-02 15:52:03 +01:00
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