Merge branch 'bishtgautam/fix-demos' (PR #198)

- Changes `CHKERRQ` to `CHKERRA`
- Corrects the call to report an error

demo/steadyf90/steadyf90.F90

@@ -213,18 +213,18 @@ program main
 
   !Solve system
   call KSPCreate(PETSC_COMM_WORLD,ksp,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call KSPSetOperators(ksp,K,K,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
   call KSPSetFromOptions(ksp,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call KSPSetUp(ksp,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call KSPSolve(ksp,F,U,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call TDyComputeErrorNorms(tdy,U,normp,normv,ierr)
   CHKERRA(ierr)
@@ -234,19 +234,19 @@ program main
   CHKERRA(ierr)
 
   call KSPDestroy(ksp,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call VecDestroy(U,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call VecDestroy(F,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call MatDestroy(K,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call TDyDestroy(tdy,ierr)
-  CHKERRQ(ierr)
+  CHKERRA(ierr)
 
   call TDyFinalize(ierr)
   CHKERRA(ierr)

demo/transient/transient_snes_mpfaof90.F90

@@ -239,7 +239,7 @@ program main
     CHKERRA(ierr);
     if (dm_plex_extrude_layers > 0) then
       call DMPlexExtrude(dm, PETSC_DETERMINE, -1.d0, PETSC_TRUE, PETSC_NULL_REAL, PETSC_TRUE, edm, ierr);
-      CHKERRQ(ierr);
+      CHKERRA(ierr);
       call DMDestroy(dm ,ierr);
       dm = edm
     end if
@@ -351,7 +351,7 @@ program main
   if (bc_type == MPFAO_DIRICHLET_BC .OR. bc_type == MPFAO_SEEPAGE_BC ) then
 !     call TDySetBoundaryPressureFn(tdy,PressureFunction,0,ierr);
      call TDySelectBoundaryPressureFn(tdy,"p0",ierr);
-     CHKERRQ(ierr)
+     CHKERRA(ierr)
   endif
 
   if (use_tdydriver) then
@@ -427,7 +427,7 @@ program main
        call SNESGetConvergedReason(snes,reason,ierr)
        CHKERRA(ierr)
        if (reason<0) then
-          SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_USER,"SNES did not converge");
+          call PetscError(PETSC_COMM_WORLD, 0, PETSC_ERR_USER, "SNES did not converge");
        endif
     endif