Stan Math Library  2.15.0
reverse mode automatic differentiation
round.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_ROUND_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_ROUND_HPP
3 
4 #include <stan/math/fwd/core.hpp>
7 #include <limits>
8 
9 namespace stan {
10  namespace math {
11 
22  template <typename T>
23  inline fvar<T> round(const fvar<T>& x) {
24  return fvar<T>(round(x.val_),
25  is_nan(x.val_)
26  ? std::numeric_limits<double>::quiet_NaN()
27  : 0.0);
28  }
29 
30  }
31 }
32 #endif
fvar< T > round(const fvar< T > &x)
Return the closest integer to the specified argument, with halfway cases rounded away from zero...
Definition: round.hpp:23
int is_nan(const fvar< T > &x)
Returns 1 if the input&#39;s value is NaN and 0 otherwise.
Definition: is_nan.hpp:21

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