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29#ifndef _GLIBCXX_CCOMPLEX
30#define _GLIBCXX_CCOMPLEX 1
33#pragma GCC system_header
36#if __cplusplus < 201103L
44#if __cplusplus >= 202002L && ! _GLIBCXX_USE_DEPRECATED
45# error "<ccomplex> is not a standard header in C++20, use <complex> instead"
46#elif __cplusplus >= 201703L && defined __DEPRECATED
47# pragma GCC diagnostic push
48# pragma GCC diagnostic ignored "-Wc++23-extensions"
49# warning "<ccomplex> is deprecated in C++17, use <complex> instead"
50# pragma GCC diagnostic pop