diff --git a/ngsLD.cpp b/ngsLD.cpp
index c62e317..7f24c8a 100644
--- a/ngsLD.cpp
+++ b/ngsLD.cpp
@@ -21,7 +21,7 @@
 #include <pthread.h>
 #include "ngsLD.hpp"
 
-char const* version = "1.2.1";
+char const* version = "1.2.0";
 
 
 int main (int argc, char** argv) {
@@ -82,7 +82,7 @@ int main (int argc, char** argv) {
   /////////////////////
   // Read input data //
   /////////////////////
-  // Read data from GENO file
+  // Read GENO file
   if(pars->verbose >= 1)
     fprintf(stderr, "> Reading data from file...\n");
   double ***tmp = read_geno(pars->in_geno, pars->in_bin, pars->in_probs, &pars->in_logscale, pars->n_ind, pars->n_sites);
@@ -114,14 +114,13 @@ int main (int argc, char** argv) {
       pars->expected_geno[s][i] = pars->geno_lkl[s][i][1] + 2*pars->geno_lkl[s][i][2];
     }
 
-
   // Read positions from file
   if(pars->verbose >= 1)
     fprintf(stderr, "==> Getting sites coordinates\n");
   if(pars->in_pos){
     pars->pos_dist = read_dist(pars->in_pos, (pars->in_pos_header ? 1 : 0), pars->n_sites);
     if(pars->verbose >= 6)
-      for(uint64_t s = 0; s < pars->n_sites; s++)
+      for(uint64_t s = 0; s < min(10, pars->n_sites); s++)
 	fprintf(stderr, "%lu\t%f\n", s, pars->pos_dist[s]);
     if(read_file(pars->in_pos, &pars->labels, (pars->in_pos_header ? 1 : 0)) != pars->n_sites)
       error(__FUNCTION__, "invalid number of lines in POS file");
@@ -137,12 +136,12 @@ int main (int argc, char** argv) {
     pars->labels = init_ptr(pars->n_sites, 0, "Site:#");
   }
 
-
-
   // DEBUG
-  if(pars->verbose >= 7)
+  if(pars->verbose >= 7){
+    fprintf(stderr, "==> Geno data\n");
     for(uint64_t s = 0; s < min(10, pars->n_sites); s++)
       fprintf(stderr, "%lu\t%s\t%f (%f %f %f)\n", s, pars->labels[s], pars->maf[s], pars->geno_lkl[s][0][0], pars->geno_lkl[s][0][1], pars->geno_lkl[s][0][2]);
+  }
 
 
 
@@ -265,13 +264,13 @@ void calc_pair_LD (void *pth){
     // Stop if site 1 is < min_maf
     if(p->pars->maf[s1] < p->pars->min_maf) {
       if(p->pars->verbose > 8)
-        fprintf(stderr, "\tLow MAF: %f\n", p->pars->maf[s1]);
+        fprintf(stderr, "\tLow MAF on site1: %f\n", p->pars->maf[s1]);
       break;
     }
     // Skip if site 2 is < min_maf
     if(p->pars->maf[s2] < p->pars->min_maf) {
       if(p->pars->verbose > 8)
-	fprintf(stderr, "\tLow MAF: %f\n", p->pars->maf[s2]);
+	fprintf(stderr, "\tLow MAF on site2: %f\n", p->pars->maf[s2]);
       s2++;
       continue;
     }
diff --git a/shared/gen_func.cpp b/shared/gen_func.cpp
index 4b28576..6d4952a 100644
--- a/shared/gen_func.cpp
+++ b/shared/gen_func.cpp
@@ -915,9 +915,8 @@ void call_geno(double *geno, int n_geno, bool log_scale, double N_prob_thresh, d
 
 
 
-// Calculate posterio probabilities (PP) from GLs and prior
-// GL in log-space by default, but can be in normal-space if flag set
-// prior and PP always given log-space
+// Calculate posterior probabilities (PP) from GLs and prior
+// GL, prior and PP always given log-space
 void post_prob(double *pp, double *lkl, double *prior, uint64_t n_geno){
   for(uint64_t cnt = 0; cnt < n_geno; cnt++){
     pp[cnt] = lkl[cnt];
@@ -936,11 +935,10 @@ void post_prob(double *pp, double *lkl, double *prior, uint64_t n_geno){
 
 // Calculate HWE genotype frequencies
 // MAF and F in normal-space
-// Genotype frequencies in log-space
-void calc_HWE(double *genot_freq, double freq, double F, bool log_scale){
-  genot_freq[0] = pow(1-freq,2)   +   (1-freq)*freq*F;
-  genot_freq[1] = 2*(1-freq)*freq - 2*(1-freq)*freq*F;
-  genot_freq[2] = pow(freq,2)     +   (1-freq)*freq*F;
+void calc_HWE(double *genot_freq, double maf, double F, bool log_scale){
+  genot_freq[0] = pow(1-maf,2)  +   (1-maf)*maf*F;
+  genot_freq[1] = 2*(1-maf)*maf - 2*(1-maf)*maf*F;
+  genot_freq[2] = pow(maf,2)    +   (1-maf)*maf*F;
 
   if(log_scale)
     conv_space(genot_freq, N_GENO, log);
@@ -1001,7 +999,7 @@ double est_maf(uint64_t n_ind, double **pdg, double *indF, bool ignore_miss_data
       num += pp[1] + pp[2]*(2-F);
       den += 2*pp[1] + (pp[0]+pp[2])*(2-F);
 
-      //printf("Ind: %lu; num: %f; den: %f; pp: %f %f %f; IBD: %f\n", i, num, den, pp[0], pp[1], pp[2], F);
+      //printf("Ind: %lu; gl: %f %f %f; pp: %f %f %f; IBD: %f; num: %f; den: %f\n", i, pdg[i][0], pdg[i][1], pdg[i][2], pp[0], pp[1], pp[2], F, num, den);
     }
 
     freq = num/den;