Hristo Hristov 03c19e91e8
[libc++][numeric] P0543R3: Saturation arithmetic (#77967)
Implements: https://wg21.link/P0543R3
- https://eel.is/c++draft/numeric.sat

Additional references:
- Division: https://eel.is/c++draft/expr.mul#4
- Arithmetic conversions: https://eel.is/c++draft/expr.arith.conv#1
- Clang builtins:
https://clang.llvm.org/docs/LanguageExtensions.html#builtin-functions

Depends on: https://github.com/llvm/llvm-project/pull/78086

---------

Co-authored-by: Zingam <zingam@outlook.com>
Co-authored-by: Mark de Wever <zar-rpg@xs4all.nl>
2024-01-22 06:57:45 +02:00

68 lines
1.6 KiB
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
export namespace std {
// [accumulate], accumulate
using std::accumulate;
// [reduce], reduce
using std::reduce;
// [inner.product], inner product
using std::inner_product;
// [transform.reduce], transform reduce
using std::transform_reduce;
// [partial.sum], partial sum
using std::partial_sum;
// [exclusive.scan], exclusive scan
using std::exclusive_scan;
// [inclusive.scan], inclusive scan
using std::inclusive_scan;
// [transform.exclusive.scan], transform exclusive scan
using std::transform_exclusive_scan;
// [transform.inclusive.scan], transform inclusive scan
using std::transform_inclusive_scan;
// [adjacent.difference], adjacent difference
using std::adjacent_difference;
// [numeric.iota], iota
using std::iota;
namespace ranges {
// using std::ranges::iota_result;
// using std::ranges::iota;
} // namespace ranges
// [numeric.ops.gcd], greatest common divisor
using std::gcd;
// [numeric.ops.lcm], least common multiple
using std::lcm;
// [numeric.ops.midpoint], midpoint
using std::midpoint;
#if _LIBCPP_STD_VER >= 26
// [numeric.sat], saturation arithmetic
using std::add_sat;
using std::div_sat;
using std::mul_sat;
using std::saturate_cast;
using std::sub_sat;
#endif
} // namespace std