User: eschnett Date: 2014/09/21 10:13 AM

Modified: /trunk/src/ periodic.cc

Log: Handle non-periodic boundaries correctly

File Changes:

Directory: /trunk/src/ ======================

File [modified]: periodic.cc Delta lines: +21 -6 =================================================================== --- trunk/src/periodic.cc 2014-05-21 15:50:54 UTC (rev 24) +++ trunk/src/periodic.cc 2014-09-21 15:13:18 UTC (rev 25) @@ -166,6 +166,21 @@ dh::light_cboxes const& light_level = dd.light_boxes.AT(mglevel).AT(reflevel);

+ // Interior of the domain with respect to periodic boundaries, + // i.e. periodic boundaries cut off, but all other boundaries + // still included + ibbox domain_perint; + { + ivect lo, hi, str; + for (int d=0; d<dim; ++d) { + ibbox const& dom = do_periodic[d] ? domain_active : domain_exterior; + lo[d] = dom.lower()[d]; + hi[d] = dom.upper()[d]; + str[d] = dom.stride()[d]; + } + domain_perint = ibbox(lo, hi, str); + } + // CCTK_INT width[2*dim]; // CCTK_INT is_internal[2*dim]; // CCTK_INT is_staggered[2*dim]; @@ -241,12 +256,12 @@ if (not do_periodic[d]) { slab.offset[d] = 0; } else { - assert((dst_bbox1.lower()[d] - domain_active.lower()[d]) % - domain_active.stride()[d] == 0); + assert((dst_bbox1.lower()[d] - domain_perint.lower()[d]) % + domain_perint.stride()[d] == 0); slab.offset[d] = - - rounddn(dst_bbox1.lower()[d] - domain_active.lower()[d], - domain_active.shape()[d]) / - domain_active.stride()[d]; + - rounddn(dst_bbox1.lower()[d] - domain_perint.lower()[d], + domain_perint.shape()[d]) / + domain_perint.stride()[d]; } } assert(not all(slab.offset == 0)); // this would be trivial @@ -256,7 +271,7 @@

// Ensure we copy from within the domain, not from boundary // points - ibbox const src_bbox = src_bbox1 & domain_active; + ibbox const src_bbox = src_bbox1 & domain_perint; assert(not src_bbox.empty()); ibbox const dst_bbox = src_bbox.shift(-slab.offset); assert(dst_bbox.is_contained_in(dst_bbox1));