1: /* $Id: qcg.h,v 1.3 2001/08/06 21:16:48 bsmith Exp $ */ 3: /* 4: Context for using preconditioned CG to minimize a quadratic function 5: */ 7: #ifndef __QCG 10: typedef struct { 11: PetscReal quadratic; 12: PetscReal ltsnrm; 13: PetscReal delta; 14: } KSP_QCG; 16: #endif