Function sspevx_

Computes selected eigenvalues and eigenvectors of a symmetric matrix in packed storage.

extern(C) void sspevx_ (
  char* jobz,
  char* range,
  char* uplo,
  int* n,
  float* ap,
  float* vl,
  float* vu,
  int* il,
  int* iu,
  float* abstol,
  int* m,
  float* w,
  float* z,
  int* ldz,
  float* work,
  int* iwork,
  int* ifail,
  int* info,
  int jobz_len,
  int range_len,
  int uplo_len
);