continuousVariable_tpl.h

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#include <sstream>
#include <utility>

#include <agrum/agrum.h>
#include <agrum/tools/variables/continuousVariable.h>

#ifndef DOXYGEN_SHOULD_SKIP_THIS

namespace gum {


  template < typename GUM_SCALAR >
  INLINE
     ContinuousVariable< GUM_SCALAR >::ContinuousVariable(const std::string& aName,
                                                          const std::string& aDesc,
                                                          GUM_SCALAR lower_bound,
                                                          GUM_SCALAR upper_bound) :
      IContinuousVariable(aName, aDesc),
      __lower_bound(lower_bound), __upper_bound(upper_bound) {
    if (__lower_bound > __upper_bound) { std::swap(__upper_bound, __lower_bound); }
    GUM_CONSTRUCTOR(ContinuousVariable);
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >::ContinuousVariable(
     const ContinuousVariable< GUM_SCALAR >& from) :
      IContinuousVariable(from),
      __lower_bound(from.__lower_bound), __upper_bound(from.__upper_bound) {
    GUM_CONS_CPY(ContinuousVariable);
  }


  template < typename GUM_SCALAR >
  template < typename TX_VAL >
  INLINE ContinuousVariable< GUM_SCALAR >::ContinuousVariable(
     const ContinuousVariable< TX_VAL >& from) :
      IContinuousVariable(from),
      __lower_bound(GUM_SCALAR(from.__lower_bound)),
      __upper_bound(GUM_SCALAR(from.__upper_bound)) {
    GUM_CONS_CPY(ContinuousVariable);
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >::ContinuousVariable(
     ContinuousVariable< GUM_SCALAR >&& from) :
      IContinuousVariable(std::move(from)),
      __lower_bound(from.__lower_bound), __upper_bound(from.__upper_bound) {
    GUM_CONS_MOV(ContinuousVariable);
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >::~ContinuousVariable() {
    GUM_DESTRUCTOR(ContinuousVariable);
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >*
         ContinuousVariable< GUM_SCALAR >::clone() const {
    return new ContinuousVariable< GUM_SCALAR >(*this);
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >&
     ContinuousVariable< GUM_SCALAR >::operator=(
        const ContinuousVariable< GUM_SCALAR >& from) {
    IContinuousVariable::operator=(from);
    __lower_bound = from.__lower_bound;
    __upper_bound = from.__upper_bound;
    return *this;
  }


  template < typename GUM_SCALAR >
  template < typename TX_VAL >
  INLINE ContinuousVariable< GUM_SCALAR >&
     ContinuousVariable< GUM_SCALAR >::operator=(
        const ContinuousVariable< TX_VAL >& from) {
    IContinuousVariable::operator=(from);
    __lower_bound = GUM_SCALAR(from.__lower_bound);
    __upper_bound = GUM_SCALAR(from.__upper_bound);
    return *this;
  }


  template < typename GUM_SCALAR >
  INLINE ContinuousVariable< GUM_SCALAR >&
     ContinuousVariable< GUM_SCALAR >::operator=(
        ContinuousVariable< GUM_SCALAR >&& from) {
    IContinuousVariable::operator=(std::move(from));
    __lower_bound = from.__lower_bound;
    __upper_bound = from.__upper_bound;
    return *this;
  }


  template < typename GUM_SCALAR >
  INLINE GUM_SCALAR
     ContinuousVariable< GUM_SCALAR >::operator[](const std::string& str) const {
    std::istringstream stream(str);
    GUM_SCALAR         value;
    stream >> value;

    if (belongs(value))
      return value;
    else
      GUM_ERROR(OutOfBounds,
                "the value does not delong to the domain of the variable");
  }


  template < typename GUM_SCALAR >
  INLINE GUM_SCALAR ContinuousVariable< GUM_SCALAR >::lowerBound() const {
    return __lower_bound;
  }


  template < typename GUM_SCALAR >
  INLINE double ContinuousVariable< GUM_SCALAR >::lowerBoundAsDouble() const {
    return (double)__lower_bound;
  }


  template < typename GUM_SCALAR >
  INLINE GUM_SCALAR ContinuousVariable< GUM_SCALAR >::upperBound() const {
    return __upper_bound;
  }


  template < typename GUM_SCALAR >
  INLINE double ContinuousVariable< GUM_SCALAR >::upperBoundAsDouble() const {
    return (double)__upper_bound;
  }


  template < typename GUM_SCALAR >
  INLINE void
     ContinuousVariable< GUM_SCALAR >::setLowerBound(const GUM_SCALAR& new_bound) {
    if (new_bound <= __upper_bound)
      __lower_bound = new_bound;
    else
      GUM_ERROR(OutOfBounds,
                "the new lower bound would be higher than the upper bound");
  }


  template < typename GUM_SCALAR >
  INLINE void ContinuousVariable< GUM_SCALAR >::setLowerBoundFromDouble(
     const double new_bound) {
    setLowerBound((GUM_SCALAR)new_bound);
  }


  template < typename GUM_SCALAR >
  INLINE void
     ContinuousVariable< GUM_SCALAR >::setUpperBound(const GUM_SCALAR& new_bound) {
    if (new_bound >= __lower_bound)
      __upper_bound = new_bound;
    else
      GUM_ERROR(OutOfBounds,
                "the new upper bound would be lower than the lower bound");
  }


  template < typename GUM_SCALAR >
  INLINE void ContinuousVariable< GUM_SCALAR >::setUpperBoundFromDouble(
     const double new_bound) {
    setUpperBound((GUM_SCALAR)new_bound);
  }


  template < typename GUM_SCALAR >
  INLINE VarType ContinuousVariable< GUM_SCALAR >::varType() const {
    return VarType::Continuous;
  }


  template < typename GUM_SCALAR >
  INLINE std::string
         ContinuousVariable< GUM_SCALAR >::label(const GUM_SCALAR& value) const {
    if (belongs(value)) return std::to_string(value);
    GUM_ERROR(OutOfBounds,
              "the value does not belong to the domain of the variable");
  }


  template < typename GUM_SCALAR >
  INLINE bool
     ContinuousVariable< GUM_SCALAR >::belongs(const GUM_SCALAR& value) const {
    return (value >= __lower_bound) && (value <= __upper_bound);
  }


  template < typename GUM_SCALAR >
  INLINE const std::string ContinuousVariable< GUM_SCALAR >::domain() const {
    std::ostringstream stream;
    stream << '[' << __lower_bound << ';' << __upper_bound << ']';
    return stream.str();
  }


  template < typename GUM_SCALAR >
  INLINE const std::string ContinuousVariable< GUM_SCALAR >::toString() const {
    std::string str(this->name());
    str += domain();
    return str;
  }


  template < typename GUM_SCALAR >
  INLINE const std::string
               ContinuousVariable< GUM_SCALAR >::toStringWithDescription() const {
    std::string str(this->description());
    str += domain();
    return str;
  }


  template < typename GUM_SCALAR >
  std::ostream& operator<<(std::ostream&                           stream,
                           const ContinuousVariable< GUM_SCALAR >& var) {
    return stream << var.toString();
  }


} /* namespace gum */


#endif /* DOXYGEN_SHOULD_SKIP_THIS */