Fixed return type of getTabulatedFunction() (#3565)

wrappers/python/src/swig_doxygen/swigInputBuilder.py

@@ -125,6 +125,7 @@ def getClassMethodList(classNode, skipMethods):
         for memberNode in findNodes(section, "memberdef", kind="function", prot="public"):
             methDefinition = getText("definition", memberNode)
             shortMethDefinition=stripOpenmmPrefix(methDefinition)
+            shortMethDefinition = shortMethDefinition.replace(' &', '&')
             methName=shortMethDefinition.split()[-1]
             if (shortClassName, methName) in skipMethods: continue
             numParams=len(findNodes(memberNode, 'param'))

wrappers/python/tests/TestAPIUnits.py

@@ -466,6 +466,7 @@ class TestAPIUnits(unittest.TestCase):
         force.addPerParticleParameter('m')
         force.addParticle([1, 2, 3])
         force.addParticle([1*coulombs, 2*kilocalories_per_mole*angstroms**2, 3*kilocalories_per_mole*angstroms**3])
+        force.addTabulatedFunction('f', Continuous1DFunction([1,2,3,4,5], 0.0, 2.0))
 
         self.assertEqual(force.getNumParticles(), 2)
         charge, sigma, epsilon = force.getParticleParameters(0)
@@ -495,6 +496,8 @@ class TestAPIUnits(unittest.TestCase):
         force.setNonbondedMethod(CustomNonbondedForce.CutoffPeriodic)
         self.assertTrue(force.usesPeriodicBoundaryConditions())
 
+        self.assertIs(type(force.getTabulatedFunction(0)), Continuous1DFunction)
+
     def testCustomManyParticleForce(self):
         """ Tests the CustomManyParticleForce API features """
         force = CustomManyParticleForce(3,