diff options
Diffstat (limited to 'lib/break_edge.c')
| -rw-r--r-- | lib/break_edge.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/break_edge.c b/lib/break_edge.c new file mode 100644 index 0000000..2f112c2 --- /dev/null +++ b/lib/break_edge.c @@ -0,0 +1,51 @@ + +#include "fracture.h" + + +bool break_edge(net_t *net, uint_t edge, cholmod_common *c) { + net->fuses[edge] = true; + net->num_broken++; + + double *x = (double *)net->boundary_cond->x; + const graph_t *g = net->graph; + + uint_t v1 = net->graph->ev[2 * edge]; + uint_t v2 = net->graph->ev[2 * edge + 1]; + + uint_t s1 = v1 < v2 ? v1 : v2; + uint_t s2 = v1 < v2 ? v2 : v1; + + if (net->graph->boundary == TORUS_BOUND) { + if (net->graph->bq[edge]) { + double v1y = g->vx[2 * v1 + 1]; + double v2y = g->vx[2 * v2 + 1]; + uint_t ind = v1y < v2y ? 0 : 1; + x[g->ev[2 * edge + ind]] -= 1; + x[g->ev[2 * edge + !ind]] += 1; + } + if (net->factor != NULL) { + factor_update(net->factor, s1, s2, c); + } + } else if (net->voltage_bound) { + if (g->bq[v1] || g->bq[v2]) { + uint_t vv = g->bq[v1] ? v2 : v1; + uint_t uu = v1 == vv ? v2 : v1; + if (is_in(g->bi[1], g->b, uu)) { + x[g->bni[vv]] -= 1; + } + if (net->factor != NULL) { + factor_update2(net->factor, g->bni[vv], c); + } + } else { + if (net->factor != NULL) { + factor_update(net->factor, g->bni[s1], g->bni[s2], c); + } + } + } else { + if (net->factor != NULL) { + factor_update(net->factor, s1, s2, c); + } + } + + return true; +} |