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ViewDesignEngine/include
ViewDesignEngine ac5011091d
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feat: 区间算术验证层 + NURBS/Bezier 解析导数
- foundation/interval.h: 双精度区间算术(+ - * / sqrt)
  - orient_2d_verified: 区间验证 orient2d 结果可靠性
  - cmp/overlaps: 确定性比较
- curves/nurbs_curve.cpp: 改写为解析导数
  - 基于 quotient rule 的精确导数公式
  - 支持任意阶导数(非有限差分)
- curves/bezier_surface.cpp: de Casteljau 解析导数
  - derivative_u/v 使用差分控制点 + de Casteljau
2026-07-23 10:45:01 +00:00
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