馃悰 fix: harden Y-grid against non-advancing steps - #22
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pickInterval and drawGrid could hang the main thread when the Y domain was tiny or non-finite (denormal fine steps where val += fine never advances). Add input/progress guards and iteration caps. Fixes benjitaylor#19. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
pickIntervalagainst non-positive / non-finite inputs, non-progressing divisor shrink, and runaway iterationsdrawGridfine-label loop whenfineis bad,firstis non-finite, orval + finedoes not advance (ULP)Fixes #19
Related: #18
Test plan
npm test(includes newsrc/draw/__tests__/grid.test.ts)Made with Cursor