if_else.hpp

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#ifndef __STAN__AGRAD__REV__IF_ELSE_HPP__
#define __STAN__AGRAD__REV__IF_ELSE_HPP__

#include <stan/agrad/rev/var.hpp>

namespace stan {
  namespace agrad {

    inline var if_else(bool c, const var& y_true, const var&y_false) {
      return c ? y_true : y_false;
    }
    inline var if_else(bool c, double y_true, const var& y_false) {
      if (c) 
        return var(y_true);
      else 
        return y_false;
    }
    inline var if_else(bool c, const var& y_true, const double y_false) {
      if (c) 
        return y_true;
      else 
        return var(y_false);
    }

  }
}
#endif