Function chpgst_

Reduces a Hermitian-definite generalized eigenproblem Ax= lambda Bx, ABx= lambda x, or BAx= lambda x, to standard form, where A and B are held in packed storage, and B has been factorized by CPPTRF.

extern(C) void chpgst_ (
  int* itype,
  char* uplo,
  int* n,
  std.complex.Complex!(float)* ap,
  std.complex.Complex!(float)* bp,
  int* info,
  int uplo_len
);