#include <petscsys.h> PetscErrorCode PetscInfo(void *vobj, const char message[]) PetscErrorCode PetscInfo1(void *vobj, const char formatmessage[],arg1) PetscErrorCode PetscInfo2(void *vobj, const char formatmessage[],arg1,arg2) etcCollective over PetscObject argument
| vobj | - object most closely associated with the logging statement or NULL | |
| message | - logging message | |
| formatmessage | - logging message using standard "printf" format |
-info : activates printing of PetscInfo() messages
Fortran Note: This function does not take the vobj argument, there is only the PetscInfo() version, not PetscInfo1() etc.
Mat A
double alpha
PetscInfo1(A,"Matrix uses parameter alpha=%g\n",alpha);