f03bhc computes the determinant of an
symmetric positive definite banded matrix
that has been stored in band-symmetric storage.
f07hdc must be called first to supply the Cholesky factorized form. The storage (upper or lower triangular) used by
f07hdc is relevant as this determines which elements of the stored factorized form are referenced.
The accuracy of the determinant depends on the conditioning of the original matrix. For a detailed error analysis see page 54 of
Wilkinson and Reinsch (1971).
Background information to multithreading can be found in the
Multithreading documentation.
This example calculates the determinant of the real symmetric positive definite band matrix