29 #if !defined __cplusplus || defined _GLIBCXX_INCLUDE_NEXT_C_HEADERS 30 # include_next <stdlib.h> 33 #ifndef _GLIBCXX_STDLIB_H 34 #define _GLIBCXX_STDLIB_H 1 41 #if __cplusplus >= 201103L 42 # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT 43 using std::at_quick_exit;
45 # ifdef _GLIBCXX_HAVE_QUICK_EXIT 46 using std::quick_exit;
66 #ifdef _GLIBCXX_HAVE_MBSTATE_T 70 #endif // _GLIBCXX_HAVE_MBSTATE_T 79 #ifdef _GLIBCXX_USE_WCHAR_T 82 #endif // _GLIBCXX_USE_WCHAR_T 85 #endif // _GLIBCXX_STDLIB_H _Tp abs(const complex< _Tp > &)
Return magnitude of z.