Currently, the corner values on a coarse grid parallel ghost patch are not filled in, since they are not used in the second order interpolation stencil. But in higher order stencils, these corner values must be filled in. This requires code in fclaw2d_corner_neighbor.c
Currently, the corner values on a coarse grid parallel ghost patch are not filled in, since they are not used in the second order interpolation stencil. But in higher order stencils, these corner values must be filled in. This requires code in fclaw2d_corner_neighbor.c