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