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