Function sspgst_
Reduces a symmetric-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 SPPTRF.
extern(C) void sspgst_
(
int* itype,
char* uplo,
int* n,
float* ap,
float* bp,
int* info,
int uplo_len
);