#include "petscsys.h" PetscErrorCode PetscOptionsGetInt(PetscOptions options,const char pre[],const char name[],PetscInt *ivalue,PetscBool *set)Not Collective
| options | - options database, use NULL for default global database | |
| pre | - the string to prepend to the name or NULL | |
| name | - the option one is seeking |
| ivalue | - the integer value to return | |
| set | - PETSC_TRUE if found, else PETSC_FALSE |