Adds two complex band matrices, both in band storage mode.

Returns a character given its ASCII value.

Retrieves single-precision machine constants.

Adds two band matrices, both in band storage mode.

Compute some eigenvalues and eigenvectors of the generalized eigenvalue problem Ax = Bx.

Compute some eigenvalues and eigenvectors of the generalized eigenvalue problem Ax = Bx.

Computes some eigenvalues and eigenvectors of the generalized real symmetric eigenvalue problem Ax = Bx.