RPN_COMM_split

RPN_COMM

integer function RPN_COMM_split((mex,nx,gni,minx,maxx,nxl,nxlmax,
     %                   halox,nx0,fill)

mex	Coordinate of PE in processes grid along one axis	integer	I
nx	Number of processes along the choosen axis	integer	I
gni	Size of the global domain for that axis	integer	I
minx,maxx	Size of the local tile for that axis	integer	O
nxl,nxlmax	Local size of the problem for that axis(and max of nx for all PEs)	integer	O
halox	Size of the halo in that direction	integer	I
nx0	Coordinate of the first local point for that axis	integer	O
fill	Architecture-dependant optimisation for array size	logical	I

Same as RPN_COMM_topo but in a more generic way (possible to compute the dimensions of a tile of an arbitrary PE), see RPN_COMM_topo