Function stgsna_

Estimates reciprocal condition numbers for specified eigenvalues and/or eigenvectors of a matrix pair (A, B) in generalized real Schur canonical form, as returned by SGGES.

extern(C) void stgsna_ (
  char* job,
  char* howmny,
  int* select,
  int* n,
  float* a,
  int* lda,
  float* b,
  int* ldb,
  float* vl,
  int* ldvl,
  float* vr,
  int* ldvr,
  float* s,
  float* dif,
  int* mm,
  int* m,
  float* work,
  int* lwork,
  int* iwork,
  int* info,
  int job_len,
  int howmny_len
);