From 2bb0740b68fdb62d45adc00204b3990ca42ade77 Mon Sep 17 00:00:00 2001 From: Jaron Kent-Dobias Date: Mon, 22 Aug 2016 10:11:14 -0400 Subject: started repo again without all the data files gunking the works --- src/fracture_network.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/fracture_network.c (limited to 'src/fracture_network.c') diff --git a/src/fracture_network.c b/src/fracture_network.c new file mode 100644 index 0000000..148b08c --- /dev/null +++ b/src/fracture_network.c @@ -0,0 +1,61 @@ + +#include "fracture.h" + +int inc_break_fuses(finst *instance, double *thres, double *field, + double cutoff) { + unsigned int size = (instance->network)->num_edges; + + int min_pos = -1; + long double min_val = -1; + + for (unsigned int i = 0; i < size; i++) { + if (!instance->fuses[i] && fabs(field[i]) > cutoff) { + double val = fabs(field[i]) / thres[i]; + if (min_val < val) { + min_val = val; min_pos = i; + } + } + } + + return min_pos; +} + +break_data *fracture_network(finst *instance, double *fuse_thres, + cholmod_common *c, double cutoff) { + unsigned int num_edges = instance->network->num_edges; + unsigned int num_verts = instance->network->num_verts; + + break_data *breaking_data = alloc_break_data(num_edges); + + while (true) { + double *voltages = get_voltage(instance, c); + double *field = get_current_v(instance, voltages, c); + + double conductivity = get_conductivity(instance, voltages, c); + if (conductivity < 1e-12 && instance->voltage_bound) { + free(voltages); + free(field); + break; + } + + int last_broke = inc_break_fuses(instance, fuse_thres, field, cutoff); + if (last_broke > num_edges || last_broke < -1) { + printf("%g \n", conductivity); + getchar(); + } + + update_break_data(breaking_data, last_broke, fabs(conductivity * fuse_thres[last_broke] / field[last_broke]), conductivity); + + free(voltages); + free(field); + + break_edge(instance, last_broke, c); + + if (instance->num_components > 1) { + break; + } + } + + return breaking_data; +} + -- cgit v1.2.3-70-g09d2