61double hypot2(
double x,
double y);
69void tred2(
double V[3][3],
double d[3],
double e[3]);
77void tql2(
double V[3][3],
double d[3],
double e[3]);
void eigen_decomposition(double **A, double V[3][3], double d[3])
Symmetric matrix A => eigenvectors in columns of V, corresponding eigenvalues in d.
Definition eig3.cpp:381
double hypot2(double x, double y)
Tool function making hypotenus computation.
Definition eig3.cpp:60
void tred2(double V[3][3], double d[3], double e[3])
This is derived from the Algol procedures tred2 by Bowdler, Martin, Reinsch, and Wilkinson,...
Definition eig3.cpp:68
void tql2(double V[3][3], double d[3], double e[3])
This is derived from the Algol procedures tql2, by Bowdler, Martin, Reinsch, and Wilkinson,...
Definition eig3.cpp:206
all data types and constant data needed by the rest of the program