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eig3.h
1 
2 /* Eigen-decomposition for symmetric 3x3 real matrices.
3  Public domain, copied from the public domain Java library JAMA. */
4 
5 #ifndef _eig_h
6 
7 /* Symmetric matrix A => eigenvectors in columns of V, corresponding
8  eigenvalues in d. */
9 void eigen_decomposition(double A[3][3], double V[3][3], double d[3]);
10 
11 #endif