Update testlib

src/testlib.cpp

@@ -12,8 +12,6 @@
 
 #include "testlib.hpp"
 
-#include <type_traits>
-
 static void print_message(std::string msg)
 {
     if (msg.size() > 0) {
@@ -42,17 +40,3 @@ void m_assert(bool expr, std::string expr_str, std::string f, std::string file,
         abort();
     }
 }
-
-bool close_to(arma::vec &a, arma::vec &b, double tol)
-{
-    if (a.n_elem != b.n_elem) {
-        return false;
-    }
-
-    for (size_t i = 0; i < a.n_elem; i++) {
-        if (std::abs(a(i) - b(i)) >= tol) {
-            return false;
-        }
-    }
-    return true;
-}