| 35 | 
  | 
 *                                                                       | 
| 36 | 
  | 
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
| 37 | 
  | 
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
| 38 | 
< | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
| 39 | 
< | 
 * [4]  Vardeman & Gezelter, in progress (2009).                         | 
| 38 | 
> | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).           | 
| 39 | 
> | 
 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
| 40 | 
> | 
 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
| 41 | 
  | 
 */ | 
| 42 | 
  | 
  | 
| 43 | 
  | 
#ifndef IO_PARAMCONSTRAINT_HPP | 
| 60 | 
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  struct NotEmptyConstraint : public ParamConstraintFacade<NotEmptyConstraint>{ | 
| 61 | 
  | 
     | 
| 62 | 
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    NotEmptyConstraint() { description_= "nonempty";} | 
| 63 | 
< | 
    bool operator()( const std::string data ) const { | 
| 63 | 
> | 
    bool operator()( const std::string &data ) const { | 
| 64 | 
  | 
      return !data.empty(); | 
| 65 | 
  | 
    } | 
| 66 | 
  | 
  }; | 
| 361 | 
  | 
 | 
| 362 | 
  | 
  template<typename T> | 
| 363 | 
  | 
  inline LessThanOrEqualToConstraint<T> isLessThanOrEqualTo(T& v ) { | 
| 364 | 
< | 
    return ParamConstraintFacade<LessThanOrEqualToConstraint<T> >(v); | 
| 364 | 
> | 
    return LessThanOrEqualToConstraint<T>(v); | 
| 365 | 
  | 
  } | 
| 366 | 
  | 
 | 
| 367 | 
  | 
  template<typename T> |