xref: /freebsd/contrib/llvm-project/libcxx/include/__cxx03/numeric (revision 700637cbb5e582861067a11aaca4d053546871d2)
1*700637cbSDimitry Andric// -*- C++ -*-
2*700637cbSDimitry Andric//===----------------------------------------------------------------------===//
3*700637cbSDimitry Andric//
4*700637cbSDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5*700637cbSDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
6*700637cbSDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7*700637cbSDimitry Andric//
8*700637cbSDimitry Andric//===----------------------------------------------------------------------===//
9*700637cbSDimitry Andric
10*700637cbSDimitry Andric#ifndef _LIBCPP___CXX03_NUMERIC
11*700637cbSDimitry Andric#define _LIBCPP___CXX03_NUMERIC
12*700637cbSDimitry Andric
13*700637cbSDimitry Andric/*
14*700637cbSDimitry Andric    numeric synopsis
15*700637cbSDimitry Andric
16*700637cbSDimitry Andricnamespace std
17*700637cbSDimitry Andric{
18*700637cbSDimitry Andric
19*700637cbSDimitry Andrictemplate <class InputIterator, class T>
20*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
21*700637cbSDimitry Andric    accumulate(InputIterator first, InputIterator last, T init);
22*700637cbSDimitry Andric
23*700637cbSDimitry Andrictemplate <class InputIterator, class T, class BinaryOperation>
24*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
25*700637cbSDimitry Andric    accumulate(InputIterator first, InputIterator last, T init, BinaryOperation binary_op);
26*700637cbSDimitry Andric
27*700637cbSDimitry Andrictemplate<class InputIterator>
28*700637cbSDimitry Andric    constexpr typename iterator_traits<InputIterator>::value_type  // constexpr since C++20
29*700637cbSDimitry Andric    reduce(InputIterator first, InputIterator last);  // C++17
30*700637cbSDimitry Andric
31*700637cbSDimitry Andrictemplate<class InputIterator, class T>
32*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
33*700637cbSDimitry Andric    reduce(InputIterator first, InputIterator last, T init);  // C++17
34*700637cbSDimitry Andric
35*700637cbSDimitry Andrictemplate<class InputIterator, class T, class BinaryOperation>
36*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
37*700637cbSDimitry Andric    reduce(InputIterator first, InputIterator last, T init, BinaryOperation binary_op);  // C++17
38*700637cbSDimitry Andric
39*700637cbSDimitry Andrictemplate <class InputIterator1, class InputIterator2, class T>
40*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
41*700637cbSDimitry Andric    inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, T init);
42*700637cbSDimitry Andric
43*700637cbSDimitry Andrictemplate <class InputIterator1, class InputIterator2, class T, class BinaryOperation1, class BinaryOperation2>
44*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
45*700637cbSDimitry Andric    inner_product(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
46*700637cbSDimitry Andric                  T init, BinaryOperation1 binary_op1, BinaryOperation2 binary_op2);
47*700637cbSDimitry Andric
48*700637cbSDimitry Andric
49*700637cbSDimitry Andrictemplate<class InputIterator1, class InputIterator2, class T>
50*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
51*700637cbSDimitry Andric    transform_reduce(InputIterator1 first1, InputIterator1 last1,
52*700637cbSDimitry Andric                     InputIterator2 first2, T init);  // C++17
53*700637cbSDimitry Andric
54*700637cbSDimitry Andrictemplate<class InputIterator1, class InputIterator2, class T, class BinaryOperation1, class BinaryOperation2>
55*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
56*700637cbSDimitry Andric    transform_reduce(InputIterator1 first1, InputIterator1 last1,
57*700637cbSDimitry Andric                     InputIterator2 first2, T init,
58*700637cbSDimitry Andric                     BinaryOperation1 binary_op1, BinaryOperation2 binary_op2);  // C++17
59*700637cbSDimitry Andric
60*700637cbSDimitry Andrictemplate<class InputIterator, class T, class BinaryOperation, class UnaryOperation>
61*700637cbSDimitry Andric    constexpr T  // constexpr since C++20
62*700637cbSDimitry Andric    transform_reduce(InputIterator first, InputIterator last, T init,
63*700637cbSDimitry Andric                     BinaryOperation binary_op, UnaryOperation unary_op);  // C++17
64*700637cbSDimitry Andric
65*700637cbSDimitry Andrictemplate <class InputIterator, class OutputIterator>
66*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
67*700637cbSDimitry Andric    partial_sum(InputIterator first, InputIterator last, OutputIterator result);
68*700637cbSDimitry Andric
69*700637cbSDimitry Andrictemplate <class InputIterator, class OutputIterator, class BinaryOperation>
70*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
71*700637cbSDimitry Andric    partial_sum(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op);
72*700637cbSDimitry Andric
73*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator, class T>
74*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
75*700637cbSDimitry Andric    exclusive_scan(InputIterator first, InputIterator last,
76*700637cbSDimitry Andric                   OutputIterator result, T init); // C++17
77*700637cbSDimitry Andric
78*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator, class T, class BinaryOperation>
79*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
80*700637cbSDimitry Andric    exclusive_scan(InputIterator first, InputIterator last,
81*700637cbSDimitry Andric                   OutputIterator result, T init, BinaryOperation binary_op); // C++17
82*700637cbSDimitry Andric
83*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator>
84*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
85*700637cbSDimitry Andric    inclusive_scan(InputIterator first, InputIterator last, OutputIterator result);  // C++17
86*700637cbSDimitry Andric
87*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator, class BinaryOperation>
88*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
89*700637cbSDimitry Andric    inclusive_scan(InputIterator first, InputIterator last,
90*700637cbSDimitry Andric                   OutputIterator result, BinaryOperation binary_op);  // C++17
91*700637cbSDimitry Andric
92*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator, class BinaryOperation, class T>
93*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
94*700637cbSDimitry Andric    inclusive_scan(InputIterator first, InputIterator last,
95*700637cbSDimitry Andric                   OutputIterator result, BinaryOperation binary_op, T init);  // C++17
96*700637cbSDimitry Andric
97*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator, class T,
98*700637cbSDimitry Andric         class BinaryOperation, class UnaryOperation>
99*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
100*700637cbSDimitry Andric    transform_exclusive_scan(InputIterator first, InputIterator last,
101*700637cbSDimitry Andric                             OutputIterator result, T init,
102*700637cbSDimitry Andric                             BinaryOperation binary_op, UnaryOperation unary_op);  // C++17
103*700637cbSDimitry Andric
104*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator,
105*700637cbSDimitry Andric         class BinaryOperation, class UnaryOperation>
106*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
107*700637cbSDimitry Andric    transform_inclusive_scan(InputIterator first, InputIterator last,
108*700637cbSDimitry Andric                             OutputIterator result,
109*700637cbSDimitry Andric                             BinaryOperation binary_op, UnaryOperation unary_op);  // C++17
110*700637cbSDimitry Andric
111*700637cbSDimitry Andrictemplate<class InputIterator, class OutputIterator,
112*700637cbSDimitry Andric         class BinaryOperation, class UnaryOperation, class T>
113*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
114*700637cbSDimitry Andric    transform_inclusive_scan(InputIterator first, InputIterator last,
115*700637cbSDimitry Andric                             OutputIterator result,
116*700637cbSDimitry Andric                             BinaryOperation binary_op, UnaryOperation unary_op,
117*700637cbSDimitry Andric                             T init);  // C++17
118*700637cbSDimitry Andric
119*700637cbSDimitry Andrictemplate <class InputIterator, class OutputIterator>
120*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
121*700637cbSDimitry Andric    adjacent_difference(InputIterator first, InputIterator last, OutputIterator result);
122*700637cbSDimitry Andric
123*700637cbSDimitry Andrictemplate <class InputIterator, class OutputIterator, class BinaryOperation>
124*700637cbSDimitry Andric    constexpr OutputIterator  // constexpr since C++20
125*700637cbSDimitry Andric    adjacent_difference(InputIterator first, InputIterator last, OutputIterator result, BinaryOperation binary_op);
126*700637cbSDimitry Andric
127*700637cbSDimitry Andrictemplate <class ForwardIterator, class T>
128*700637cbSDimitry Andric    constexpr void  // constexpr since C++20
129*700637cbSDimitry Andric    iota(ForwardIterator first, ForwardIterator last, T value);
130*700637cbSDimitry Andric
131*700637cbSDimitry Andrictemplate <class M, class N>
132*700637cbSDimitry Andric    constexpr common_type_t<M,N> gcd(M m, N n);    // C++17
133*700637cbSDimitry Andric
134*700637cbSDimitry Andrictemplate <class M, class N>
135*700637cbSDimitry Andric    constexpr common_type_t<M,N> lcm(M m, N n);    // C++17
136*700637cbSDimitry Andric
137*700637cbSDimitry Andrictemplate<class T>
138*700637cbSDimitry Andric    constexpr T midpoint(T a, T b) noexcept;  // C++20
139*700637cbSDimitry Andric
140*700637cbSDimitry Andrictemplate<class T>
141*700637cbSDimitry Andric    constexpr T* midpoint(T* a, T* b);        // C++20
142*700637cbSDimitry Andric
143*700637cbSDimitry Andric// [numeric.sat], saturation arithmetic
144*700637cbSDimitry Andrictemplate<class T>
145*700637cbSDimitry Andricconstexpr T add_sat(T x, T y) noexcept;                     // freestanding, Since C++26
146*700637cbSDimitry Andrictemplate<class T>
147*700637cbSDimitry Andricconstexpr T sub_sat(T x, T y) noexcept;                     // freestanding, Since C++26
148*700637cbSDimitry Andrictemplate<class T>
149*700637cbSDimitry Andricconstexpr T mul_sat(T x, T y) noexcept;                     // freestanding, Since C++26
150*700637cbSDimitry Andrictemplate<class T>
151*700637cbSDimitry Andricconstexpr T div_sat(T x, T y) noexcept;                     // freestanding, Since C++26
152*700637cbSDimitry Andrictemplate<class T, class U>
153*700637cbSDimitry Andricconstexpr T saturate_cast(U x) noexcept;                    // freestanding, Since C++26
154*700637cbSDimitry Andric
155*700637cbSDimitry Andric}  // std
156*700637cbSDimitry Andric
157*700637cbSDimitry Andric*/
158*700637cbSDimitry Andric
159*700637cbSDimitry Andric#include <__cxx03/__config>
160*700637cbSDimitry Andric
161*700637cbSDimitry Andric#include <__cxx03/__numeric/accumulate.h>
162*700637cbSDimitry Andric#include <__cxx03/__numeric/adjacent_difference.h>
163*700637cbSDimitry Andric#include <__cxx03/__numeric/inner_product.h>
164*700637cbSDimitry Andric#include <__cxx03/__numeric/iota.h>
165*700637cbSDimitry Andric#include <__cxx03/__numeric/partial_sum.h>
166*700637cbSDimitry Andric
167*700637cbSDimitry Andric#include <__cxx03/version>
168*700637cbSDimitry Andric
169*700637cbSDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
170*700637cbSDimitry Andric#  pragma GCC system_header
171*700637cbSDimitry Andric#endif
172*700637cbSDimitry Andric
173*700637cbSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES)
174*700637cbSDimitry Andric#  include <__cxx03/limits>
175*700637cbSDimitry Andric#endif
176*700637cbSDimitry Andric
177*700637cbSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES)
178*700637cbSDimitry Andric#  include <__cxx03/climits>
179*700637cbSDimitry Andric#  include <__cxx03/cmath>
180*700637cbSDimitry Andric#  include <__cxx03/cstdint>
181*700637cbSDimitry Andric#  include <__cxx03/functional>
182*700637cbSDimitry Andric#  include <__cxx03/iterator>
183*700637cbSDimitry Andric#  include <__cxx03/new>
184*700637cbSDimitry Andric#  include <__cxx03/type_traits>
185*700637cbSDimitry Andric#endif
186*700637cbSDimitry Andric
187*700637cbSDimitry Andric#endif // _LIBCPP___CXX03_NUMERIC
188