dst[I(index + blockedIndex, JOIN(D3Q19_,_dir1) )] = JOIN(pdf_,_dir1) - evenPart - oddPart; \
dst[I(index + blockedIndex, JOIN(D3Q19_,_dir2) )] = JOIN(pdf_,_dir2) - evenPart + oddPart; \
}
dst[I(index + blockedIndex, JOIN(D3Q19_,_dir1) )] = JOIN(pdf_,_dir1) - evenPart - oddPart; \
dst[I(index + blockedIndex, JOIN(D3Q19_,_dir2) )] = JOIN(pdf_,_dir2) - evenPart + oddPart; \
}