From 901b9f16494f37890be17ef4bb66e6efc6873340 Mon Sep 17 00:00:00 2001 From: Jaron Kent-Dobias Date: Fri, 10 Feb 2017 12:18:11 -0500 Subject: changed code to rely on jst --- lib/net_fracture.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 lib/net_fracture.c (limited to 'lib/net_fracture.c') diff --git a/lib/net_fracture.c b/lib/net_fracture.c new file mode 100644 index 0000000..e7f18fc --- /dev/null +++ b/lib/net_fracture.c @@ -0,0 +1,67 @@ + +#include "fracture.h" + +uint_t get_next_broken(net_t *net, double *currents, double cutoff) { + uint_t max_pos = UINT_MAX; + long double max_val = 0; + + for (uint_t i = 0; i < net->graph->ne; i++) { + long double current = fabs(currents[i]); + bool broken = net->fuses[i]; + + if (!broken && current > cutoff) { + long double val = current / net->thres[i]; + + if (val > max_val) { + max_val = val; + max_pos = i; + } + } + } + + if (max_pos == UINT_MAX) { + printf("GET_NEXT_BROKEN: currents is zero or NaN, no max_val found\n"); + exit(EXIT_FAILURE); + } + + return max_pos; +} + +data_t *net_fracture(net_t *net, cholmod_common *c, double cutoff) { + data_t *data = data_create(net->graph->ne); + + uint_t n = 0; + while (true) { + n++; + double *voltages = net_voltages(net, c); + double *currents = net_currents(net, voltages, c); + + double conductivity = net_conductivity(net, voltages); + + if (conductivity < cutoff) { + free(voltages); + free(currents); + break; + } + + uint_t last_broke = get_next_broken(net, currents, cutoff); + + long double sim_current; + + if (net->voltage_bound) { + sim_current = conductivity; + } else { + sim_current = 1; + } + + data_update(data, last_broke, fabsl(sim_current * (net->thres)[last_broke] / ((long double)currents[last_broke])), conductivity); + + free(voltages); + free(currents); + + break_edge(net, last_broke, c); + } + + return data; +} + -- cgit v1.2.3-70-g09d2