xref: /petsc/src/ksp/ksp/impls/qcg/qcgimpl.h (revision 9dd11ecf0918283bb567d8b33a92f53ac4ea7840) 
1 /*
2     Context for using preconditioned CG to minimize a quadratic function
3  */
4 
5 #pragma once
6 
7 #include <petsc/private/kspimpl.h>
8 
9 typedef struct {
10   PetscReal quadratic;
11   PetscReal ltsnrm;
12   PetscReal delta;
13 } KSP_QCG;
14