Set AssertError to inherit from std::runtime_error

The main interest is that one can now check more precisely the type of raised errors in unit tests

src/utils/RandomEngine.cpp

@@ -41,13 +41,7 @@ RandomEngine::destroy()
 
 RandomEngine::RandomEngine()
 {
-  uint64_t random_seed = std::random_device{}();
-  parallel::broadcast(random_seed, 0);
-
-  m_random_engine = std::default_random_engine(random_seed);
-
-  std::cout << " * setting " << rang::fgB::green << "random seed" << rang::style::reset << " to " << rang::fgB::yellow
-            << random_seed << rang::style::reset << '\n';
+  this->resetRandomSeed();
 }
 
 void
@@ -62,5 +56,8 @@ RandomEngine::setRandomSeed(const uint64_t random_seed)
 void
 RandomEngine::resetRandomSeed()
 {
-  m_instance = std::unique_ptr<RandomEngine>(new RandomEngine);
+  uint64_t random_seed = std::random_device{}();
+  parallel::broadcast(random_seed, 0);
+
+  this->setRandomSeed(random_seed);
 }