Merge branch 'fix/1d3d-coupl-average-empty-circle-stencil' into 'master'
[1d3d][avg] Skip point source if the circle stencil is empty (zero coupling term)
See merge request !2923 (merged)
(cherry picked from commit e61c2b87)
ffe49eda [1d3d][avg] Skip point source if the circle stencil is empty (zero coupling term)