+vector<Data *> W1Store::get_mean(int freq_sec) {
+ int row_count;
+ int col_count;
+ int d_count;
+ int jj;
+ int ii;
+ Data *data;
+ Data *calc;
+ Date *limit_d;
+ Date date;
+ vector<Data *> ret_val;
+
+ calc = NULL;
+ limit_d = NULL;
+ d_count = 1;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count; ii++) {
+ data = store_data->get_data(ii);
+ if (data != NULL) {
+ if (calc == NULL) {
+ d_count = 1;
+ calc = data->clone();
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ else {
+ date = data->get_date();
+ if (date.before(*limit_d)) {
+ for (jj = 0; jj < col_count; jj++) {
+ calc->value_arr[jj] = calc->value_arr[jj] + data->value_arr[jj];
+ }
+ d_count++;
+ }
+ else {
+ for (jj = 0; jj < col_count; jj++) {
+ calc->value_arr[jj] = calc->value_arr[jj] / d_count;
+ }
+ ret_val.push_back(calc);
+ d_count = 1;
+ calc = data->clone();
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ }
+ delete(data);
+ }
+ }
+ if (calc != NULL) {
+ delete(calc);
+ calc = NULL;
+ }
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ }
+ }
+ }
+ return ret_val;
+}
+
+vector<Data *> W1Store::get_delta(int freq_sec) {
+ int row_count;
+ int col_count;
+ int jj;
+ int ii;
+ Data *data;
+ Data *calc1;
+ Data *calc2;
+ Date *limit_d;
+ Date date;
+ vector<Data *> ret_val;
+
+ calc1 = NULL;
+ calc2 = NULL;
+ limit_d = NULL;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count; ii++) {
+ data = store_data->get_data(ii);
+ if (data != NULL) {
+ if (calc1 == NULL) {
+ calc1 = data->clone();
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ if (calc2 != NULL) {
+ delete(calc2);
+ }
+ calc2 = NULL;
+ }
+ else {
+ date = data->get_date();
+ if (date.before(*limit_d)) {
+ if (calc2 != NULL) {
+ delete(calc2);
+ }
+ calc2 = data->clone();
+ }
+ else {
+ if (calc2 == NULL) {
+ calc2 = calc1->clone();
+ }
+ for (jj = 0; jj < col_count; jj++) {
+ calc2->value_arr[jj] = calc2->value_arr[jj] - calc1->value_arr[jj];
+ }
+ ret_val.push_back(calc2);
+ delete(calc1);
+ calc1 = data->clone();
+ calc2 = NULL; // do not delete calc2 as it's stored to array
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ }
+ delete(data);
+ }
+ }
+ if (calc1 != NULL) {
+ delete(calc1);
+ calc1 = NULL;
+ }
+ if (calc2 != NULL) {
+ delete(calc2);
+ calc2 = NULL;
+ }
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ }
+ }
+ }
+ return ret_val;
+}
+