fdim.hpp

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#ifndef __STAN__MATH__FUNCTIONS__FDIM_HPP__
#define __STAN__MATH__FUNCTIONS__FDIM_HPP__

#include <boost/math/tools/promotion.hpp>

namespace stan {
  namespace math {
    template <typename T1, typename T2>
    inline typename boost::math::tools::promote_args<T1, T2>::type
    fdim(T1 a, T2 b) {
      return (a > b) ? (a - b) : 0.0;
    } 
  }
}

#endif