math/is__integer_8hpp_source.html

#ifndef STAN_MATH_PRIM_FUN_IS_INTEGER_HPP

#define STAN_MATH_PRIM_FUN_IS_INTEGER_HPP


#include <stan/math/prim/meta.hpp>

#include <stan/math/prim/fun/floor.hpp>

#include <cmath>


namespace stan {

namespace math {


template <typename T>

inline bool is_integer(T x) {

  using std::floor;

  return floor(x) == x;

}


}  // namespace math

}  // namespace stan


#endif

stan::math::floor
fvar< T > floor(const fvar< T > &x)
Definition floor.hpp:13

stan::math::is_integer
bool is_integer(T x)
Returns true if the input is an integer and false otherwise.
Definition is_integer.hpp:18

stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15

floor.hpp

meta.hpp