hbgvx

Computes selected eigenvalues, and optionally, the eigenvectors of a complex generalized Hermitian-definite banded eigenproblem, of the form A*x=(lambda)*B*x. A and B are assumed to be Hermitian and banded, and B is also positive definite.

  1. void hbgvx(char jobz, char range, char uplo, f_int n, f_int ka, f_int kb, f_cfloat* ab, f_int ldab, f_cfloat* bb, f_int ldbb, f_cfloat* q, f_int ldq, f_float* vl, f_float* vu, f_int il, f_int iu, f_float* abstol, f_int m, f_float* w, f_cfloat* z, f_int ldz, f_cfloat* work, f_float* rwork, f_int* iwork, f_int ifail, f_int info)
  2. void hbgvx(char jobz, char range, char uplo, f_int n, f_int ka, f_int kb, f_cdouble* ab, f_int ldab, f_cdouble* bb, f_int ldbb, f_cdouble* q, f_int ldq, f_double* vl, f_double* vu, f_int il, f_int iu, f_double* abstol, f_int m, f_double* w, f_cdouble* z, f_int ldz, f_cdouble* work, f_double* rwork, f_int* iwork, f_int ifail, f_int info)

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