constFormula.hh

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#ifndef constformula_hh
#define constformula_hh
 
#include "basics/debug.hh"
#include "formula.hh"
 
#define ConstFormConstr_D 0
#define ConstFormDestr_D  0
 
 
namespace concepts {
 
 
  // ********************************************************* ConstFormula **
 
  template<typename F = Real>
  class ConstFormula : public Formula<F> {
  public:
    ConstFormula(const F a = F(1.0)) : a_(a) {
      DEBUGL(ConstFormConstr_D, "a = " << a);
    }
    virtual F operator() (const Real p,    const Real t = 0.0) const {
      return a_;
    }
    virtual F operator() (const Real2d& p, const Real t = 0.0) const  {
      return a_;
    }
    virtual F operator() (const Real3d& p, const Real t = 0.0) const  {
      return a_;
    }
    virtual ~ConstFormula() {
      DEBUGL(ConstFormDestr_D, "Delete " << *this);
    }
    virtual ConstFormula<F>* clone() const {
      return new ConstFormula<F>(a_);
    }
    ConstFormula<F>& operator=(const F a) {
      a_ = a;
      return *this;
    }
  protected:
    virtual std::ostream& info(std::ostream& os) const {
      return os << concepts::typeOf(*this)<< "(" << a_ << ")";
    }
  private:
    F a_;
  };
 
  
 
} // namespace concepts
 
 
#endif // constformula_hh