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mirror-llvm-project/libcxx/include/ctgmath

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libcxx initial import llvm-svn: 103490
2010-05-11 11:42:16 -08:00
// -*- C++ -*-
[runtimes][NFC] Remove filenames at the top of the license notice We've stopped doing it in libc++ for a while now because these names would end up rotting as we move things around and copy/paste stuff. This cleans up all the existing files so as to stop the spreading as people copy-paste headers around.
2021-11-17 12:25:01 -09:00
//===----------------------------------------------------------------------===//
libcxx initial import llvm-svn: 103490
2010-05-11 11:42:16 -08:00
//
Update more file headers across all of the LLVM projects in the monorepo to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
2019-01-19 01:56:40 -09:00
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
libcxx initial import llvm-svn: 103490
2010-05-11 11:42:16 -08:00
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_CTGMATH
#define _LIBCPP_CTGMATH
/*
ctgmath synopsis
#include <ccomplex>
#include <cmath>
*/
[libc++][C++03] Use `__cxx03/` headers in C++03 mode (#109002) This patch implements the forwarding to frozen C++03 headers as discussed in https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc. In the RFC, we initially proposed selecting the right headers from the Clang driver, however consensus seemed to steer towards handling this in the library itself. This patch implements that direction. At a high level, the changes basically amount to making each public header look like this: ``` // inside <vector> #ifdef _LIBCPP_CXX03_LANG # include <__cxx03/vector> #else // normal <vector> content #endif ``` In most cases, public headers are simple umbrella headers so there isn't much code in the #else branch. In other cases, the #else branch contains the actual implementation of the header.
2024-12-21 03:01:48 -09:00
#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
# include <__cxx03/ctgmath>
#else
[libc++] Add #if 0 block to all the top-level headers (#119234) Including The frozen C++03 headers results in a lot of formatting changes in the main headers, so this splits these changes into a separate commit instead. This is part of https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc.
2024-12-10 06:02:12 -09:00
# include <cmath>
# include <complex>
libcxx initial import llvm-svn: 103490
2010-05-11 11:42:16 -08:00
[libc++] Add #if 0 block to all the top-level headers (#119234) Including The frozen C++03 headers results in a lot of formatting changes in the main headers, so this splits these changes into a separate commit instead. This is part of https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc.
2024-12-10 06:02:12 -09:00
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
libcxx initial import llvm-svn: 103490
2010-05-11 11:42:16 -08:00
[libc++] Fix header deprecations (#163356) Currently, there are no diagnostics issued when including a deprecated header, since the diagnostic is issued inside a system header. This patch fixes that by using `#warning` instead, which also simplifies the implementation of the deprecation warnings.
2025-11-18 06:05:53 -09:00
# if _LIBCPP_STD_VER >= 17 && !__building_module(std) && _LIBCPP_DIAGNOSE_DEPRECATED_HEADERS
# warning <ctgmath> is deprecated in C++17 and removed in C++20. Include <cmath> and <complex> instead.
[libc++] Add #if 0 block to all the top-level headers (#119234) Including The frozen C++03 headers results in a lot of formatting changes in the main headers, so this splits these changes into a separate commit instead. This is part of https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc.
2024-12-10 06:02:12 -09:00
# endif
[libc++][C++03] Use `__cxx03/` headers in C++03 mode (#109002) This patch implements the forwarding to frozen C++03 headers as discussed in https://discourse.llvm.org/t/rfc-freezing-c-03-headers-in-libc. In the RFC, we initially proposed selecting the right headers from the Clang driver, however consensus seemed to steer towards handling this in the library itself. This patch implements that direction. At a high level, the changes basically amount to making each public header look like this: ``` // inside <vector> #ifdef _LIBCPP_CXX03_LANG # include <__cxx03/vector> #else // normal <vector> content #endif ``` In most cases, public headers are simple umbrella headers so there isn't much code in the #else branch. In other cases, the #else branch contains the actual implementation of the header.
2024-12-21 03:01:48 -09:00
#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
[libc++] Deprecate and remove meaningless `<cxxx>` headers (#111615) This PR deprecates `<ccomplex>`, `<cstdbool>`, `<ctgmath>`, and `<ciso646>` in C++17 and "removes" them in C++20 by special deprecation warnings. `<cstdalign>` is previously missing. This PR also tries to add them, and then deprecates and "removes" `<cstdalign>`. Papers: - https://wg21.link/P0063R3 - https://wg21.link/P0619R4 Closes #99985. --------- Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
2024-10-29 17:49:26 -08:00
[libc++] NFC: Normalize `#endif //` comment indentation
2021-04-20 08:03:32 -08:00
#endif // _LIBCPP_CTGMATH
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