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#include "libMSVMMaj.h"
#define MINARGS 3
void print_null(const char *s) {}
void exit_with_help();
void parse_command_line(int argc, char **argv, struct Model *model,
char *input_filename, char *output_filename,
char *model_filename);
void exit_with_help()
{
printf("This is MSVMMaj, version %1.1f\n\n", VERSION);
printf("Usage: predMSVMMaj [options] test_data_file model_file\n");
printf("Options:\n");
printf("-o output_file : write output to file\n");
printf("-q : quiet mode (no output)\n");
exit(0);
}
int main(int argc, char **argv)
{
long *predy;
double performance;
char input_filename[MAX_LINE_LENGTH];
char model_filename[MAX_LINE_LENGTH];
char output_filename[MAX_LINE_LENGTH];;
struct Model *model = Malloc(struct Model, 1);
struct Data *data = Malloc(struct Data, 1);
if (argc < MINARGS || check_argv(argc, argv, "-help") || check_argv_eq(argc, argv, "-h") )
exit_with_help();
parse_command_line(argc, argv, model, input_filename, output_filename,
model_filename);
// TODO: make sure that read_data allows for files without labels
read_data(data, input_filename);
read_model(model, model_filename);
// check if the number of attributes in data equals that in model
if (data->m != model->m) {
fprintf(stderr, "Error: number of attributes in data (%li) "
"does not equal the number of attributes in "
"model (%li)\n", data->m, model->m);
exit(1);
}
predy = Calloc(long, data->n);
predict_labels(data, model, predy);
if (data->y != NULL) {
performance = prediction_perf(data, predy);
info("Predictive performance: %3.2f%%\n", performance);
}
if (check_argv_eq(argc, argv, "-o")) {
write_predictions(data, predy, output_filename);
info("Predictions written to: %s\n", output_filename);
}
free_model(model);
free_data(data);
free(predy);
return 0;
}
void parse_command_line(int argc, char **argv, struct Model *model,
char *input_filename, char *output_filename, char *model_filename)
{
int i;
void (*print_func)(const char*) = NULL;
for (i=1; i<argc; i++) {
if (argv[i][0] != '-') break;
if (++i >= argc)
exit_with_help();
switch (argv[i-1][1]) {
case 'o':
strcpy(output_filename, argv[i]);
break;
case 'q':
print_func = &print_null;
i--;
default:
fprintf(stderr, "Unknown option: -%c\n", argv[i-1][1]);
exit_with_help();
}
}
set_print_string_function(print_func);
if (i >= argc)
exit_with_help();
strcpy(input_filename, argv[i]);
i++;
strcpy(model_filename, argv[i]);
}
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