Require numPoints >= 3 for NaturalCubicSpline and NaturalQuinticSpline#137
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davideberly merged 2 commits intodavideberly:masterfrom Feb 28, 2026
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With 2 points, RowReduce accesses mDelta[1] which is out of bounds (mDelta has only 1 element), causing a heap-buffer-overflow. The multi-segment solver requires at least 2 segments (3 points) for its row reduction to work correctly. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
RowReduceaccessesmDelta[1]out of bounds (heap-buffer-overflow). The multi-segment solver requires at least 2 segments (3 points). Changed assertion fromnumPoints >= 2tonumPoints >= 3in bothNaturalCubicSplineandNaturalQuinticSpline, and updated documentation comment.Test plan
NaturalQuinticSpline.h:336)🤖 Generated with Claude Code