Fix to compile

openmmapi/include/openmm/CustomIntegrator.h

@@ -308,7 +308,7 @@ public:
      * @param name    the name of the variable to get
      * @return the current value of the parameter
      */
-    double getGlobalVariableByName(const std::string& name);
+    double getGlobalVariableByName(const std::string& name) const;
     /**
      * Set the value of a global variable.
      * 

openmmapi/src/CustomIntegrator.cpp

@@ -125,7 +125,7 @@ double CustomIntegrator::getGlobalVariable(int index) const {
 }
 
 double CustomIntegrator::getGlobalVariableByName(const string& name) const {
-    for (int i = 0; i < (int) globalNames.size(); i++)
+    for (int i = 0; i < (int) globalNames.size(); i++) {
         if (name == globalNames[i]) {
             return getGlobalVariable(i);
         }
@@ -145,11 +145,12 @@ void CustomIntegrator::setGlobalVariable(int index, double value) {
 }
 
 void CustomIntegrator::setGlobalVariableByName(const string& name, double value) {
-    for (int i = 0; i < (int) globalNames.size(); i++)
+    for (int i = 0; i < (int) globalNames.size(); i++) {
         if (name == globalNames[i]) {
             setGlobalVariable(i, value);
             return;
         }
+    }
     throw OpenMMException("Illegal global variable name: "+name);
 }
 
@@ -162,7 +163,7 @@ void CustomIntegrator::getPerDofVariable(int index, vector<Vec3>& values) const
 }
 
 void CustomIntegrator::getPerDofVariableByName(const string& name,  vector<Vec3>& values) const {
-    for (int i = 0; i < (int) perDofNames.size(); i++)
+    for (int i = 0; i < (int) perDofNames.size(); i++) {
         if (name == perDofNames[i]) {
             getPerDofVariable(i, values);
             return;

wrappers/python/src/swig_doxygen/swigInputConfig.py

@@ -161,6 +161,7 @@ UNITS = {
 ("*", "getEwaldErrorTolerance") : (None, ()),
 ("*", "getFriction") : ("1/unit.picosecond", ()),
 ("*", "getGlobalVariable") : (None, ()),
+("*", "getGlobalVariableByName") : (None, ()),
 ("*", "getIntegrator") : (None, ()),
 ("*", "getMapParameters") : (None, ()),
 ("*", "getName") : (None, ()),