is_double_or_int.hpp

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#ifndef STAN_MATH_PRIM_META_IS_DOUBLE_OR_INT_HPP
#define STAN_MATH_PRIM_META_IS_DOUBLE_OR_INT_HPP
 
#include <stan/math/prim/meta/require_helpers.hpp>
#include <stan/math/prim/meta/scalar_type.hpp>
#include <stan/math/prim/meta/value_type.hpp>
#include <type_traits>
 
namespace stan {
template <typename T>
struct is_double_or_int
    : bool_constant<
          math::disjunction<std::is_same<double, std::decay_t<T>>,
                            std::is_same<int, std::decay_t<T>>>::value> {};
 
template <typename T>
using require_double_or_int_t = require_t<is_double_or_int<std::decay_t<T>>>;
 
template <typename T>
using require_not_double_or_int_t
    = require_not_t<is_double_or_int<std::decay_t<T>>>;
 
template <typename... Types>
using require_all_double_or_int_t
    = require_all_t<is_double_or_int<std::decay_t<Types>>...>;
 
template <typename... Types>
using require_any_double_or_int_t
    = require_any_t<is_double_or_int<std::decay_t<Types>>...>;
 
template <typename... Types>
using require_all_not_double_or_int_t
    = require_all_not_t<is_double_or_int<std::decay_t<Types>>...>;
 
template <typename... Types>
using require_any_not_double_or_int_t
    = require_any_not_t<is_double_or_int<std::decay_t<Types>>...>;
}  // namespace stan
#endif