int main(int argc, char *argv[]){
options opts;
opts.n_arrows = 100;
opts.kmeans_attempts = 1;
opts.use_all_vectors = 0;
int c, i;
opterr = 0;
while((c = getopt(argc, argv, "ak:n:")) != -1){
switch(c){
case 'a':
opts.use_all_vectors = 1;
break;
case 'k':
opts.kmeans_attempts = atoi(optarg);
if(opts.kmeans_attempts < 1){
opts.kmeans_attempts = 1;
}
break;
case 'n':
opts.n_arrows = atoi(optarg);
if(opts.n_arrows < 1){
opts.n_arrows = 1;
}
break;
case '?':
if('k' == optopt || 'n' == optopt){
fprintf(stderr, "Option -%c requires an argument.\n", optopt);
}else if(isprint(optopt)){
fprintf(stderr, "Unknown option `-%c'.\n", optopt);
}else{
fprintf(stderr, "Unknown option character `\\x%x'.\n", optopt);
}
default:
usage();
return EXIT_FAILURE;
}
}
if(optind >= argc){ usage(); return EXIT_FAILURE; }
for(i = optind; i < argc; i++){
data d;
data_init(&d);
data_read(&d, argv[i]);
if(opts.use_all_vectors || d.n <= opts.n_arrows || data_cull_zeros(&d, opts.n_arrows)){
output_plot(&d);
}else{
data plot_data;
data_init(&plot_data);
gen_plot_kmeans(&d, opts.n_arrows, &plot_data, opts.kmeans_attempts);
output_plot(&plot_data);
data_destroy(&plot_data);
}
data_destroy(&d);
}
return EXIT_SUCCESS;
}
std::basic_ostream<Elem, Traits>& output_plot(std::string const& filename, InputRange const& range) {
std::ofstream os(filename);
output_plot(os, range);
}
