message: fem/coefficient.hpp comments for FunctionCoefficient::GetDeviceFunction
diff: @@ -137,7 +137,8 @@ public:
  DeviceFunction = NULL;
  }
  - /// Define a time-independent coefficient from a device-function
  + /// Define a time-independent coefficient from a C-function using
  + /// DeviceVector3 instead of a Vector.
  FunctionCoefficient(double (*df)(const DeviceVector3 &))
  {
  Function = NULL;
  @@ -169,7 +170,9 @@ public:
  virtual double Eval(ElementTransformation &T,
  const IntegrationPoint &ip);
  - /// Return the coefficient's device-function
  + /// Return the coefficient's C-function that uses DeviceVector3.
  + /// Warning: for now, the returned function can only be used on the
  + /// host inside a MFEM_FORALL.
  double (*GetDeviceFunction())(const DeviceVector3&);
  };
  