double DistanceSet::get_average_time_per_coord() const
{
double sum = 0;
int size = get_num_points();
int count = 0;
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
if (i == j)
{
continue;
}
double di = get_point(i).get_euclidean_distance(get_point(j));
double time = durations[i][j];
if (di == 0)
{
continue;
}
sum += time / di;
count++;
}
}
return sum / count;
}
double DistanceSet::get_average_time_per_meter() const
{
double sum = 0;
int size = get_num_points();
int count = 0;
for (int i = 0; i < size; i++)
{
for (int j = 0; j < i; j++)
{
if (i == j)
{
continue;
}
double di = distances[i][j];
double time = durations[i][j];
if (di == 0)
{
continue;
}
sum += time / di;
count++;
}
}
return sum / count;
}
my_bool CRT_GAMAL_SUM_160_add(UDF_INIT *initid, UDF_ARGS *args, char *is_null,
char *error) {
// For each row, the current value is added to the sum
EC_POINT **curR, **curS;
int numCiphers;
sum_state *state = (sum_state *) initid->ptr;
size_t encodedLength = (size_t) args->lengths[0];
char *encoded = (char *) args->args[0];
if(check_encoding_size(encodedLength)) {
strcpy(error, "Wrong Cipher Size");
return 1;
}
numCiphers = get_num_points(encodedLength);
if(state->isFirst) {
init_sum_state(state, numCiphers);
} else {
if(numCiphers!=state->numCiphers) {
strcpy(error, "Number of ciphers missmatch");
return 1;
}
}
if(decode_points(state->group, encoded, encodedLength, numCiphers, &curR, &curS)) {
strcpy(error, "Error while decoding");
return 1;
}
add_points_up(state->group,state->curSumR, state->curSumS, state->curSumR, state->curSumS, curR, curS, state->numCiphers);
free_points(curR, curS, numCiphers);
return 0;
}
