exp2.hpp

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#ifndef STAN__MATH__FUNCTIONS__EXP2_HPP
#define STAN__MATH__FUNCTIONS__EXP2_HPP

#include <boost/math/tools/promotion.hpp>
#include <math.h>
namespace stan {

  namespace math {

    template <typename T>
    inline typename boost::math::tools::promote_args<T>::type
    exp2(const T y) {
      using ::pow;
      return pow(2.0,y);
    }
  }
}

#endif