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//
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// Created by 14727 on 2022/12/7.
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//
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#ifndef C2C4_C2C4_H
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#define C2C4_C2C4_H
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#include "../include/Range.h"
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#include "glm/glm.hpp"
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#include "srf_mesh.h"
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#include "tinynurbs/tinynurbs.h"
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#include "vector"
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using namespace tinynurbs;
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using namespace std;
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class C2C4 {
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private:
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// 雅可比矩阵【行】【列】<左界，右界>
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vector<vector<Range>> jacobian;
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/**
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* 求range去掉某一列的三阶子行列式是否含零
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* @return 若去掉某些列，三阶子行列式含零，输出去掉的列号
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*/
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Range determinant3(int c0, int c1, int c2);
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Range determinant2(int l0, int l1, int c0, int c1);
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public:
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C2C4(const SrfMesh &mesh1_, const SrfMesh &mesh2_,
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RationalSurface<real> srf1_, RationalSurface<real> srf2_);
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const SrfMesh &mesh1;
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const SrfMesh &mesh2;
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// 在给定的mesh的最小网格上重新细分的采样数目
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int reSampleCnt_u = 17;
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int reSampleCnt_v = 17;
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RationalSurface<real> srf1;
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RationalSurface<real> srf2;
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pair<bool, bool> c2OrC4(int patchIdx_u1, int patchIdx_v1, int patchIdx_u2,
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int patchIdx_v2);
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vector<int> c4ExcludeCols;
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};
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#endif // C2C4_C2C4_H
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