[petsc-users] Problems with PCMGSetLevels and MatNullSpaceCreate in Fortran

[TAY wee-beng]

Hi,

After upgrading to the newer ver of PETSc 3.8.3, I got these error 
during compile in VS2008 with Intel Fortran:

call PCMGSetLevels(pc,mg_lvl,PETSC_NULL_OBJECT,ierr)

This name does not have a type, and must have an explicit type. 
[PETSC_NULL_OBJECT]

call 
MatNullSpaceCreate(MPI_COMM_WORLD,PETSC_TRUE,0,PETSC_NULL_OBJECT,nullspace,ierr)

There is no matching specific subroutine for this generic subroutine 
call.   [MATNULLSPACECREATE]

So how do I correct these errors?

-- 

Thank you very much.

Yours sincerely,

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TAY Wee-Beng 郑伟明 (Zheng Weiming)
Personal research webpage: _http://tayweebeng.wixsite.com/website_
Youtube research showcase: _https://goo.gl/PtvdwQ_
linkedin: _https://www.linkedin.com/in/tay-weebeng_
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