Derivs: Add some comments to mask1

EinsteinToolkit · Aug 8, 2023 · 3fb6085 · 3fb6085
1 parent 83d33dc
commit 3fb6085
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Derivs/src/derivs.cxx b/Derivs/src/derivs.cxx
@@ -59,6 +59,7 @@ calc_derivs(const GF3D5<T> &gf, const vec<GF3D5<T>, dim> &dgf,
         grid.nghostzones,
         [=] CCTK_DEVICE(const PointDesc &p) CCTK_ATTRIBUTE_ALWAYS_INLINE {
           const vbool mask = mask_for_loop_tail<vbool>(p.i, p.imax);
+          // Take account of ghost points
           const vbool mask1 =
               mask_for_loop_tail<vbool>(p.i, p.imax + deriv_order / 2);
           const GF3D5index index(layout, p.I);
@@ -91,6 +92,7 @@ calc_derivs2(const GF3D5<T> &gf, const vec<GF3D5<T>, dim> &dgf,
         grid.nghostzones,
         [=] CCTK_DEVICE(const PointDesc &p) CCTK_ATTRIBUTE_ALWAYS_INLINE {
           const vbool mask = mask_for_loop_tail<vbool>(p.i, p.imax);
+          // Take account of ghost points
           const vbool mask1 =
               mask_for_loop_tail<vbool>(p.i, p.imax + deriv_order / 2);
           const GF3D5index index(layout, p.I);
@@ -108,6 +110,7 @@ calc_derivs2(const GF3D5<T> &gf, const vec<GF3D5<T>, dim> &dgf,
         grid.nghostzones,
         [=] CCTK_DEVICE(const PointDesc &p) CCTK_ATTRIBUTE_ALWAYS_INLINE {
           const vbool mask = mask_for_loop_tail<vbool>(p.i, p.imax);
+          // Take account of ghost points
           const vbool mask1 =
               mask_for_loop_tail<vbool>(p.i, p.imax + deriv_order / 2);
           const GF3D5index index(layout, p.I);