minus.hpp

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#ifndef STAN_MATH_PRIM_FUN_MINUS_HPP
#define STAN_MATH_PRIM_FUN_MINUS_HPP
 
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/functor/apply_vector_unary.hpp>
 
namespace stan {
namespace math {
 
template <typename T, require_not_std_vector_t<T>* = nullptr>
inline auto minus(const T& x) {
  return -x;
}
 
template <typename T>
inline auto minus(const std::vector<T>& x) {
  return apply_vector_unary<std::vector<T>>::apply(
      x, [](const auto& v) { return -v; });
}
 
}  // namespace math
}  // namespace stan
 
#endif