[petsc-users] DMDA with runtime dof>1

[Barry Smith]

  Use DMDAVecGetArrayDOF()

  Barry

> On Oct 31, 2014, at 1:48 PM, Xiangdong <epscodes at gmail.com> wrote:
> 
> Hello everyone,
> 
> For the DMDA with dof>1, it seems that we always define a struct 'Field' with dof doubles. Once we have this struct, it is easy to convert from global vector to multi-dimension arrays (e.g the function DMDAVecGetArray).
> 
> My question is, if my dof is determined at runtime, how can I define a struct with dof doubles?
> 
> Thank you.
> 
> Best,
> Xiangdong