norm.hpp

Go to the documentation of this file.

#ifndef STAN_MATH_PRIM_FUN_NORM_HPP
#define STAN_MATH_PRIM_FUN_NORM_HPP
 
#include <stan/math/prim/fun/isinf.hpp>
#include <cmath>
#include <complex>
 
namespace stan {
namespace math {
template <typename V, require_arithmetic_t<V>* = nullptr>
inline V norm(const std::complex<V>& z) {
  return std::norm(z);
}
 
namespace internal {
template <typename V>
inline V complex_norm(const std::complex<V>& z) {
  return square(z.real()) + square(z.imag());
}
}  // namespace internal
}  // namespace math
}  // namespace stan
 
#endif