Fix typos

Author: zStupan

fireflyalgorithm/problems.py

@@ -124,7 +124,7 @@ def powell(x):
     return np.sum(term1 + term2 + term3 + term4)
 
 
-def quing(x):
+def qing(x):
     dim = len(x)
     return np.sum(np.power(x**2 - np.arange(1, dim + 1), 2))
 
@@ -245,7 +245,7 @@ def zakharov(x):
     "perm2": perm2,
     "pinter": pinter,
     "powell": powell,
-    "quing": quing,
+    "qing": qing,
     "quintic": quintic,
     "rastrigin": rastrigin,
     "rosenbrock": rosenbrock,

tests/test_problems.py

@@ -56,7 +56,7 @@ def test_problem_factory(self):
         self.assertEqual(get_problem("perm2"), perm2)
         self.assertEqual(get_problem("pinter"), pinter)
         self.assertEqual(get_problem("powell"), powell)
-        self.assertEqual(get_problem("quing"), quing)
+        self.assertEqual(get_problem("qing"), qing)
         self.assertEqual(get_problem("quintic"), quintic)
         self.assertEqual(get_problem("rastrigin"), rastrigin)
         self.assertEqual(get_problem("rosenbrock"), rosenbrock)
@@ -135,7 +135,7 @@ def test_powell(self):
         x = np.zeros(5)
         self.assertAlmostEqual(powell(x), 0.0)
 
-    def test_quing(self):
+    def test_qing(self):
         x = np.sqrt(np.arange(1, 6))
         self.assertAlmostEqual(quing(x), 0.0)