29#ifndef _GLIBCXX_TR1_CSTDLIB
30#define _GLIBCXX_TR1_CSTDLIB 1
33#pragma GCC system_header
42#if _GLIBCXX_USE_C99_STDLIB
44namespace std _GLIBCXX_VISIBILITY(default)
46_GLIBCXX_BEGIN_NAMESPACE_VERSION
50#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
68#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
73_GLIBCXX_END_NAMESPACE_VERSION
_Tp abs(const complex< _Tp > &)
Return magnitude of z.
ISO C++ entities toplevel namespace is std.
ISO C++ TR1 entities toplevel namespace is std::tr1.