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add identical check between 2 grids

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This commit is contained in:
Steve Plimpton
2022-10-12 17:34:42 -06:00
parent 6658b95dac
commit ab51c53dfd
5 changed files with 90 additions and 0 deletions
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33
src/grid2d.cpp
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@ -352,6 +352,29 @@ void Grid2d::store(int ixlo, int ixhi, int iylo, int iyhi,
/* ---------------------------------------------------------------------- */
int Grid2d::identical(Grid2d *grid2)
{
int inxlo2,inxhi2,inylo2,inyhi2;
int outxlo2,outxhi2,outylo2,outyhi2;
grid2->get_bounds(inxlo2,inxhi2,inylo2,inyhi2);
grid2->get_bounds_ghost(outxlo2,outxhi2,outylo2,outyhi2);
int flag = 0;
if (inxlo != inxlo2 || inxhi != inxhi2 ||
inylo != inylo2 || inyhi != inyhi2) flag = 1;
if (outxlo != outxlo2 || outxhi != outxhi2 ||
outylo != outylo2 || outyhi != outyhi2) flag = 1;
int flagall;
MPI_Allreduce(&flag,&flagall,1,MPI_INT,MPI_SUM,gridcomm);
if (flagall) return 0;
return 1;
}
/* ---------------------------------------------------------------------- */
void Grid2d::get_size(int &nxgrid, int &nygrid)
{
nxgrid = nx;
@ -368,6 +391,16 @@ void Grid2d::get_bounds(int &xlo, int &xhi, int &ylo, int &yhi)
yhi = inyhi;
}
/* ---------------------------------------------------------------------- */
void Grid2d::get_bounds_ghost(int &xlo, int &xhi, int &ylo, int &yhi)
{
xlo = outxlo;
xhi = outxhi;
ylo = outylo;
yhi = outyhi;
}
/* ----------------------------------------------------------------------
return sizes of two buffers needed for communication
either on regular grid or procs or irregular tiling