}
                else
                        // No information: complete random sampling
-                       sample(ctrs, nbItems, nbClusters);      
+                       sample(ctrs, nbItems, nbClusters);
                for (uint32_t j = 0; j < nbClusters; j++)
                        oldCtrs[j] = 0;
                uint32_t kounter = 0;
 
 #define MAXITER 100
 
 // Core PAM algorithm from a 'flat' dissimilarity matrix
-void pam(Real* dissimilarities, uint32_t nbItems, uint32_t nbClusters, 
+void pam(Real* dissimilarities, uint32_t nbItems, uint32_t nbClusters,
        int clustOnMedoids, uint32_t nbStart, uint32_t maxNbIter, Result_t* result);
 
 #endif