1 /* 2 Private data structure for QR preconditioner. 3 */ 4 #if !defined(QR_H) 5 #define QR_H 6 7 #include <../src/ksp/pc/impls/factor/factor.h> 8 9 typedef struct { 10 PC_Factor hdr; 11 IS col; /* index sets used for reordering */ 12 } PC_QR; 13 14 #endif 15