fix: improve warnings for a check which should never fail

C/samples/samples.c

@@ -4,7 +4,7 @@
 #include <gsl/gsl_rng.h>
 #include <gsl/gsl_randist.h>
 
-#define N 10000000
+#define N 1000000
 /* 
  * For very high values of N, you will want to increase the maximum stack trace, otherwise you will suffer a segmentation fault
  * In Ubuntu/bash you can do this with $ ulimit -Ss 256000 ## ~256Mbs
@@ -89,9 +89,10 @@ void mixture(gsl_rng * r, double *dists[], double *weights, int n, double *resul
       }
     }
     if(index_found == 0) {
-      printf("\nThis shouldn't have happened");
+      printf("\nThis shouldn't be able to happen");
       // gsl_rng_free (r);
       // abort(); // this shouldn't have happened.
+      
     }else{
       int sample_index = (int) floor(p_2 * N);
       results[i] = dists[index_counter][sample_index];

R/samples.R

@@ -25,6 +25,9 @@ mixture <- function(samples_list, weights_array, n=DEFAULT_N){ # note that this
   for(i in c(1:n)){
     helper_which_list = which(cummulative_sums > helper_probs[i])
     # helper_loc = ifelse(is.na(helper_which_list[1]), 1, helper_which_list[1])
+    if(is.na(helper_which_list[1])){
+      print("This should never happen")
+    }
     helper_loc = helper_which_list[1]
     target_samples = samples_list[[helper_loc]]
     result = sample(target_samples, 1)

js/samples.js

@@ -38,6 +38,9 @@ const mixture = (dists_array, weights_array, n = DEFAULT_N) => {
   const helper_probs = [...new Array(n)].map(_ => Math.random())
   const results = helper_probs.map(p => {
     let match_index = cummulative_sums.findIndex(x => x > p)
+    if(match_index == -1){
+      console.log("Error: This should never happen.")
+    }
     let target_loc = match_index // == -1 ? 0 : match_index
     let target_samples = dists_array[target_loc]
     return target_samples[Math.floor(Math.random() * target_samples.length)];

python/samples.py

@@ -32,7 +32,8 @@ def mixture(samples_list, weights_array, n=DEFAULT_N):
         helper_list = [j for j in range(
             len(cummulative_sums)) if cummulative_sums[j] > helper_probs[i]]
         if len(helper_list) == 0:
-            helper_loc = 0
+            helper_loc = 0 # continue
+            print("This should never happen")
         else:
             helper_loc = helper_list[0]
         target_samples = samples_list[helper_loc]