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vecmat3 added explicit linear solver

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Jiri Pittner
2023-12-20 18:00:15 +01:00
parent 731b2a128d
commit eafcfbdd00
3 changed files with 43 additions and 3 deletions
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vecmat3.h
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@@ -172,7 +172,8 @@ public:
T determinant() const;
void transposeme();
const Mat3 transpose() const {Mat3 r(*this); r.transposeme(); return r;};
const Mat3 inverse() const;
const Mat3 inverse(T *det = NULL) const;
const Vec3<T> linear_solve(const Vec3<T> &rhs, T *det = NULL) const;
//C-style IO
int fprintf(FILE *f, const char *format) const {int n= ::fprintf(f,format,q[0][0],q[0][1],q[0][2]); n+=::fprintf(f,format,q[1][0],q[1][1],q[1][2]); n+=::fprintf(f,format,q[2][0],q[2][1],q[2][2]); return n;};
int fscanf(FILE *f, const char *format) const {return ::fscanf(f,format,q[0][0],q[0][1],q[0][2]) + ::fscanf(f,format,q[1][0],q[1][1],q[1][2]) + ::fscanf(f,format,q[2][0],q[2][1],q[2][2]);};