Good morning Jerome, Jerome Huck wrote: > I have warning with COMMON. The COMMONS are the same along the code... > When compiled I have warnings with different sizes !!!
Well, neither /NO1/ nor /NO4/ are not the same size throughout the code. > There were some bugs/issues in the past see : Those issues were about not warning in this case - not about falsely warning. Back to your code. In the main program and in GRID your code contains for /NO4/ the variables: QF(6,14,3), QC(4,13,3), DXW But in WING it only has in /NO4/ only: QF(6,14,3) Similarly for /NO1/, which has: COMMON/NO1/ DS,X,B,C,S,AR,SN1,CS1 COMMON/NO1/ DS,X,B,C,S,AR,SN1,CS1 COMMON/NO1/ DS The Fortran standard mandates that all named common blocks have the same size. However, looking at your common blocks, I think your declarations are fine in practice. Thus, you can ignore the warning, unless you want to make the code conforming to the Fortran standard. Quoting Fortran 77's 8.3.3: "Within an executable program, all named common blocks that have the same name must be the same size." (Fortran 90/95/2003/2008 have similar wordings.) For those liking language archeology, they could try to find out what Fortran 66 specified... Tobias