1186                     int ii, int jj, float * ysum)  in calculate_sum()  argument
1225   volume_zero (ysum, nxyz);  in calculate_sum()
1242                 ysum[ixyz] += y[ixyz];  in calculate_sum()
1266       printf ("%s[.] = %f \n", sum_label, ysum[nvoxel-1]);  in calculate_sum()
1376   float * ysum = NULL;             /* pointer to sum over all observations */  in calculate_ss0()  local
1396   ysum = (float *) malloc(sizeof(float)*nxyz);  in calculate_ss0()
1397   if ((ss0 == NULL) || (ysum == NULL))  in calculate_ss0()
1401   calculate_sum (option_data, -1, -1, ysum);  in calculate_ss0()
1405     ss0[ixyz] = ysum[ixyz] * ysum[ixyz] / nval;  in calculate_ss0()
1416   free (ysum);    ysum = NULL;  in calculate_ss0()
1431   float * ysum = NULL;             /* pointer to sum over observations */  in calculate_ssi()  local
1452   ysum = (float *) malloc(sizeof(float)*nxyz);  in calculate_ssi()
1453   if ((ssi == NULL) || (ysum == NULL))  in calculate_ssi()
1462       calculate_sum (option_data, i, -1, ysum);  in calculate_ssi()
1466         ssi[ixyz] += ysum[ixyz] * ysum[ixyz] / nval;  in calculate_ssi()
1477   free (ysum);    ysum = NULL;  in calculate_ssi()
1492   float * ysum = NULL;             /* pointer to sum over observations */  in calculate_ssj()  local
1513   ysum = (float *) malloc(sizeof(float)*nxyz);  in calculate_ssj()
1514   if ((ssj == NULL) || (ysum == NULL))  in calculate_ssj()
1523       calculate_sum (option_data, -1, j, ysum);  in calculate_ssj()
1527         ssj[ixyz] += ysum[ixyz] * ysum[ixyz] / nval;  in calculate_ssj()
1538   free (ysum);    ysum = NULL;  in calculate_ssj()
1553   float * ysum = NULL;             /* pointer to sum over observations */  in calculate_ssij()  local
1574   ysum = (float *) malloc(sizeof(float)*nxyz);  in calculate_ssij()
1575   if ((ssij == NULL) || (ysum == NULL))  in calculate_ssij()
1587           calculate_sum (option_data, i, j, ysum);  in calculate_ssij()
1591             ssij[ixyz] += ysum[ixyz] * ysum[ixyz] / nval;  in calculate_ssij()
1603   free (ysum);    ysum = NULL;  in calculate_ssij()