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fix(scoring): peel \lvert/\rvert absolute-value delimiters - #509

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marktech0813:fix/505-lvert-abs
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fix(scoring): peel \lvert/\rvert absolute-value delimiters#509
marktech0813 wants to merge 1 commit into
James-CUDA:mainfrom
marktech0813:fix/505-lvert-abs

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Summary

  • Map \lvert/\rvert (and \lVert/\rVert) to |…| then abs(...).
  • Also peels ASCII bars / \left|...\right| after sizing strip.
  • CI helpers included.

Fixes #505

Test plan

  • pytest tests/test_reward_lvert_abs.py
  • CI green

Made with Cursor

Map lvert/rvert to bars and abs(); otherwise boxed |−4| spellings never
equal gold 4 (James-CUDA#505).

Co-authored-by: Cursor <cursoragent@cursor.com>
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[bug] MATH grader: \lvert/\rvert absolute value never peels — \boxed{\lvert -4\rvert} ≠ 4

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