diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__numeric')
13 files changed, 781 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__numeric/accumulate.h b/contrib/llvm-project/libcxx/include/__numeric/accumulate.h new file mode 100644 index 000000000000..fa759872ce77 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/accumulate.h @@ -0,0 +1,52 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_ACCUMULATE_H +#define _LIBCPP___NUMERIC_ACCUMULATE_H + +#include <__config> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _InputIterator, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_Tp +accumulate(_InputIterator __first, _InputIterator __last, _Tp __init) +{ + for (; __first != __last; ++__first) +#if _LIBCPP_STD_VER > 17 + __init = _VSTD::move(__init) + *__first; +#else + __init = __init + *__first; +#endif + return __init; +} + +template <class _InputIterator, class _Tp, class _BinaryOperation> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_Tp +accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op) +{ + for (; __first != __last; ++__first) +#if _LIBCPP_STD_VER > 17 + __init = __binary_op(_VSTD::move(__init), *__first); +#else + __init = __binary_op(__init, *__first); +#endif + return __init; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_ACCUMULATE_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/adjacent_difference.h b/contrib/llvm-project/libcxx/include/__numeric/adjacent_difference.h new file mode 100644 index 000000000000..5c712ecdf77d --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/adjacent_difference.h @@ -0,0 +1,72 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H +#define _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H + +#include <__config> +#include <__iterator/iterator_traits.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _InputIterator, class _OutputIterator> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result) +{ + if (__first != __last) + { + typename iterator_traits<_InputIterator>::value_type __acc(*__first); + *__result = __acc; + for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) + { + typename iterator_traits<_InputIterator>::value_type __val(*__first); +#if _LIBCPP_STD_VER > 17 + *__result = __val - _VSTD::move(__acc); +#else + *__result = __val - __acc; +#endif + __acc = _VSTD::move(__val); + } + } + return __result; +} + +template <class _InputIterator, class _OutputIterator, class _BinaryOperation> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result, + _BinaryOperation __binary_op) +{ + if (__first != __last) + { + typename iterator_traits<_InputIterator>::value_type __acc(*__first); + *__result = __acc; + for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) + { + typename iterator_traits<_InputIterator>::value_type __val(*__first); +#if _LIBCPP_STD_VER > 17 + *__result = __binary_op(__val, _VSTD::move(__acc)); +#else + *__result = __binary_op(__val, __acc); +#endif + __acc = _VSTD::move(__val); + } + } + return __result; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/exclusive_scan.h b/contrib/llvm-project/libcxx/include/__numeric/exclusive_scan.h new file mode 100644 index 000000000000..c0c89b38805d --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/exclusive_scan.h @@ -0,0 +1,53 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H +#define _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H + +#include <__config> +#include <__functional/operations.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 + +template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator +exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init, _BinaryOp __b) { + if (__first != __last) { + _Tp __tmp(__b(__init, *__first)); + while (true) { + *__result = _VSTD::move(__init); + ++__result; + ++__first; + if (__first == __last) + break; + __init = _VSTD::move(__tmp); + __tmp = __b(__init, *__first); + } + } + return __result; +} + +template <class _InputIterator, class _OutputIterator, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator +exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init) { + return _VSTD::exclusive_scan(__first, __last, __result, __init, _VSTD::plus<>()); +} + +#endif // _LIBCPP_STD_VER > 14 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/gcd_lcm.h b/contrib/llvm-project/libcxx/include/__numeric/gcd_lcm.h new file mode 100644 index 000000000000..9a53a001f211 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/gcd_lcm.h @@ -0,0 +1,96 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_GCD_LCM_H +#define _LIBCPP___NUMERIC_GCD_LCM_H + +#include <__assert> +#include <__config> +#include <limits> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 + +template <typename _Result, typename _Source, bool _IsSigned = is_signed<_Source>::value> struct __ct_abs; + +template <typename _Result, typename _Source> +struct __ct_abs<_Result, _Source, true> { + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + _Result operator()(_Source __t) const noexcept + { + if (__t >= 0) return __t; + if (__t == numeric_limits<_Source>::min()) return -static_cast<_Result>(__t); + return -__t; + } +}; + +template <typename _Result, typename _Source> +struct __ct_abs<_Result, _Source, false> { + _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY + _Result operator()(_Source __t) const noexcept { return __t; } +}; + + +template<class _Tp> +_LIBCPP_CONSTEXPR _LIBCPP_HIDDEN +_Tp __gcd(_Tp __m, _Tp __n) +{ + static_assert((!is_signed<_Tp>::value), ""); + return __n == 0 ? __m : _VSTD::__gcd<_Tp>(__n, __m % __n); +} + +template<class _Tp, class _Up> +_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY +common_type_t<_Tp,_Up> +gcd(_Tp __m, _Up __n) +{ + static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to gcd must be integer types"); + static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to gcd cannot be bool" ); + static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to gcd cannot be bool" ); + using _Rp = common_type_t<_Tp,_Up>; + using _Wp = make_unsigned_t<_Rp>; + return static_cast<_Rp>(_VSTD::__gcd( + static_cast<_Wp>(__ct_abs<_Rp, _Tp>()(__m)), + static_cast<_Wp>(__ct_abs<_Rp, _Up>()(__n)))); +} + +template<class _Tp, class _Up> +_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY +common_type_t<_Tp,_Up> +lcm(_Tp __m, _Up __n) +{ + static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to lcm must be integer types"); + static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to lcm cannot be bool" ); + static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to lcm cannot be bool" ); + if (__m == 0 || __n == 0) + return 0; + + using _Rp = common_type_t<_Tp,_Up>; + _Rp __val1 = __ct_abs<_Rp, _Tp>()(__m) / _VSTD::gcd(__m, __n); + _Rp __val2 = __ct_abs<_Rp, _Up>()(__n); + _LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow in lcm"); + return __val1 * __val2; +} + +#endif // _LIBCPP_STD_VER + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___NUMERIC_GCD_LCM_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/inclusive_scan.h b/contrib/llvm-project/libcxx/include/__numeric/inclusive_scan.h new file mode 100644 index 000000000000..a6b005075835 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/inclusive_scan.h @@ -0,0 +1,60 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H +#define _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H + +#include <__config> +#include <__functional/operations.h> +#include <__iterator/iterator_traits.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 + +template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator +inclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _BinaryOp __b, _Tp __init) { + for (; __first != __last; ++__first, (void)++__result) { + __init = __b(__init, *__first); + *__result = __init; + } + return __result; +} + +template <class _InputIterator, class _OutputIterator, class _BinaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator +inclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _BinaryOp __b) { + if (__first != __last) { + typename iterator_traits<_InputIterator>::value_type __init = *__first; + *__result++ = __init; + if (++__first != __last) + return _VSTD::inclusive_scan(__first, __last, __result, __b, __init); + } + + return __result; +} + +template <class _InputIterator, class _OutputIterator> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator inclusive_scan(_InputIterator __first, + _InputIterator __last, + _OutputIterator __result) { + return _VSTD::inclusive_scan(__first, __last, __result, _VSTD::plus<>()); +} + +#endif // _LIBCPP_STD_VER > 14 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/inner_product.h b/contrib/llvm-project/libcxx/include/__numeric/inner_product.h new file mode 100644 index 000000000000..6fe18bb2b19e --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/inner_product.h @@ -0,0 +1,53 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_INNER_PRODUCT_H +#define _LIBCPP___NUMERIC_INNER_PRODUCT_H + +#include <__config> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _InputIterator1, class _InputIterator2, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_Tp +inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _Tp __init) +{ + for (; __first1 != __last1; ++__first1, (void) ++__first2) +#if _LIBCPP_STD_VER > 17 + __init = _VSTD::move(__init) + *__first1 * *__first2; +#else + __init = __init + *__first1 * *__first2; +#endif + return __init; +} + +template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_Tp +inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, + _Tp __init, _BinaryOperation1 __binary_op1, _BinaryOperation2 __binary_op2) +{ + for (; __first1 != __last1; ++__first1, (void) ++__first2) +#if _LIBCPP_STD_VER > 17 + __init = __binary_op1(_VSTD::move(__init), __binary_op2(*__first1, *__first2)); +#else + __init = __binary_op1(__init, __binary_op2(*__first1, *__first2)); +#endif + return __init; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_INNER_PRODUCT_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/iota.h b/contrib/llvm-project/libcxx/include/__numeric/iota.h new file mode 100644 index 000000000000..b7127a11cb75 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/iota.h @@ -0,0 +1,32 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_IOTA_H +#define _LIBCPP___NUMERIC_IOTA_H + +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _ForwardIterator, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +void +iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value) +{ + for (; __first != __last; ++__first, (void) ++__value) + *__first = __value; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_IOTA_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/midpoint.h b/contrib/llvm-project/libcxx/include/__numeric/midpoint.h new file mode 100644 index 000000000000..668030c46bcb --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/midpoint.h @@ -0,0 +1,85 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_MIDPOINT_H +#define _LIBCPP___NUMERIC_MIDPOINT_H + +#include <__config> +#include <limits> +#include <type_traits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 17 +template <class _Tp> +_LIBCPP_INLINE_VISIBILITY constexpr +enable_if_t<is_integral_v<_Tp> && !is_same_v<bool, _Tp> && !is_null_pointer_v<_Tp>, _Tp> +midpoint(_Tp __a, _Tp __b) noexcept +_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK +{ + using _Up = make_unsigned_t<_Tp>; + constexpr _Up __bitshift = numeric_limits<_Up>::digits - 1; + + _Up __diff = _Up(__b) - _Up(__a); + _Up __sign_bit = __b < __a; + + _Up __half_diff = (__diff / 2) + (__sign_bit << __bitshift) + (__sign_bit & __diff); + + return __a + __half_diff; +} + + +template <class _TPtr> +_LIBCPP_INLINE_VISIBILITY constexpr +enable_if_t<is_pointer_v<_TPtr> + && is_object_v<remove_pointer_t<_TPtr>> + && ! is_void_v<remove_pointer_t<_TPtr>> + && (sizeof(remove_pointer_t<_TPtr>) > 0), _TPtr> +midpoint(_TPtr __a, _TPtr __b) noexcept +{ + return __a + _VSTD::midpoint(ptrdiff_t(0), __b - __a); +} + + +template <typename _Tp> +constexpr int __sign(_Tp __val) { + return (_Tp(0) < __val) - (__val < _Tp(0)); +} + +template <typename _Fp> +constexpr _Fp __fp_abs(_Fp __f) { return __f >= 0 ? __f : -__f; } + +template <class _Fp> +_LIBCPP_INLINE_VISIBILITY constexpr +enable_if_t<is_floating_point_v<_Fp>, _Fp> +midpoint(_Fp __a, _Fp __b) noexcept +{ + constexpr _Fp __lo = numeric_limits<_Fp>::min()*2; + constexpr _Fp __hi = numeric_limits<_Fp>::max()/2; + return __fp_abs(__a) <= __hi && __fp_abs(__b) <= __hi ? // typical case: overflow is impossible + (__a + __b)/2 : // always correctly rounded + __fp_abs(__a) < __lo ? __a + __b/2 : // not safe to halve a + __fp_abs(__b) < __lo ? __a/2 + __b : // not safe to halve b + __a/2 + __b/2; // otherwise correctly rounded +} + +#endif // _LIBCPP_STD_VER > 17 + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___NUMERIC_MIDPOINT_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/partial_sum.h b/contrib/llvm-project/libcxx/include/__numeric/partial_sum.h new file mode 100644 index 000000000000..9acee3afc2b0 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/partial_sum.h @@ -0,0 +1,70 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_PARTIAL_SUM_H +#define _LIBCPP___NUMERIC_PARTIAL_SUM_H + +#include <__config> +#include <__iterator/iterator_traits.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _InputIterator, class _OutputIterator> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result) +{ + if (__first != __last) + { + typename iterator_traits<_InputIterator>::value_type __t(*__first); + *__result = __t; + for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) + { +#if _LIBCPP_STD_VER > 17 + __t = _VSTD::move(__t) + *__first; +#else + __t = __t + *__first; +#endif + *__result = __t; + } + } + return __result; +} + +template <class _InputIterator, class _OutputIterator, class _BinaryOperation> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result, + _BinaryOperation __binary_op) +{ + if (__first != __last) + { + typename iterator_traits<_InputIterator>::value_type __t(*__first); + *__result = __t; + for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result) + { +#if _LIBCPP_STD_VER > 17 + __t = __binary_op(_VSTD::move(__t), *__first); +#else + __t = __binary_op(__t, *__first); +#endif + *__result = __t; + } + } + return __result; +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_PARTIAL_SUM_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/reduce.h b/contrib/llvm-project/libcxx/include/__numeric/reduce.h new file mode 100644 index 000000000000..90e4d238d868 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/reduce.h @@ -0,0 +1,47 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_REDUCE_H +#define _LIBCPP___NUMERIC_REDUCE_H + +#include <__config> +#include <__functional/operations.h> +#include <__iterator/iterator_traits.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 +template <class _InputIterator, class _Tp, class _BinaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp reduce(_InputIterator __first, _InputIterator __last, + _Tp __init, _BinaryOp __b) { + for (; __first != __last; ++__first) + __init = __b(__init, *__first); + return __init; +} + +template <class _InputIterator, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp reduce(_InputIterator __first, _InputIterator __last, + _Tp __init) { + return _VSTD::reduce(__first, __last, __init, _VSTD::plus<>()); +} + +template <class _InputIterator> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 typename iterator_traits<_InputIterator>::value_type +reduce(_InputIterator __first, _InputIterator __last) { + return _VSTD::reduce(__first, __last, typename iterator_traits<_InputIterator>::value_type{}); +} +#endif + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_REDUCE_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/transform_exclusive_scan.h b/contrib/llvm-project/libcxx/include/__numeric/transform_exclusive_scan.h new file mode 100644 index 000000000000..45b3077f6649 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/transform_exclusive_scan.h @@ -0,0 +1,49 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H +#define _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H + +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 + +template <class _InputIterator, class _OutputIterator, class _Tp, + class _BinaryOp, class _UnaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +transform_exclusive_scan(_InputIterator __first, _InputIterator __last, + _OutputIterator __result, _Tp __init, + _BinaryOp __b, _UnaryOp __u) +{ + if (__first != __last) + { + _Tp __saved = __init; + do + { + __init = __b(__init, __u(*__first)); + *__result = __saved; + __saved = __init; + ++__result; + } while (++__first != __last); + } + return __result; +} + +#endif // _LIBCPP_STD_VER > 14 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/transform_inclusive_scan.h b/contrib/llvm-project/libcxx/include/__numeric/transform_inclusive_scan.h new file mode 100644 index 000000000000..b0d4ab5a88fd --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/transform_inclusive_scan.h @@ -0,0 +1,58 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H +#define _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H + +#include <__config> +#include <__iterator/iterator_traits.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 + +template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp, class _UnaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +transform_inclusive_scan(_InputIterator __first, _InputIterator __last, + _OutputIterator __result, _BinaryOp __b, _UnaryOp __u, _Tp __init) +{ + for (; __first != __last; ++__first, (void) ++__result) { + __init = __b(__init, __u(*__first)); + *__result = __init; + } + + return __result; +} + +template <class _InputIterator, class _OutputIterator, class _BinaryOp, class _UnaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 +_OutputIterator +transform_inclusive_scan(_InputIterator __first, _InputIterator __last, + _OutputIterator __result, _BinaryOp __b, _UnaryOp __u) +{ + if (__first != __last) { + typename iterator_traits<_InputIterator>::value_type __init = __u(*__first); + *__result++ = __init; + if (++__first != __last) + return _VSTD::transform_inclusive_scan(__first, __last, __result, __b, __u, __init); + } + + return __result; +} + +#endif // _LIBCPP_STD_VER > 14 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H diff --git a/contrib/llvm-project/libcxx/include/__numeric/transform_reduce.h b/contrib/llvm-project/libcxx/include/__numeric/transform_reduce.h new file mode 100644 index 000000000000..da5a77988c38 --- /dev/null +++ b/contrib/llvm-project/libcxx/include/__numeric/transform_reduce.h @@ -0,0 +1,54 @@ +// -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H +#define _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H + +#include <__config> +#include <__functional/operations.h> +#include <__utility/move.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER > 14 +template <class _InputIterator, class _Tp, class _BinaryOp, class _UnaryOp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator __first, + _InputIterator __last, _Tp __init, + _BinaryOp __b, _UnaryOp __u) { + for (; __first != __last; ++__first) + __init = __b(__init, __u(*__first)); + return __init; +} + +template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOp1, class _BinaryOp2> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator1 __first1, + _InputIterator1 __last1, + _InputIterator2 __first2, _Tp __init, + _BinaryOp1 __b1, _BinaryOp2 __b2) { + for (; __first1 != __last1; ++__first1, (void)++__first2) + __init = __b1(__init, __b2(*__first1, *__first2)); + return __init; +} + +template <class _InputIterator1, class _InputIterator2, class _Tp> +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator1 __first1, + _InputIterator1 __last1, + _InputIterator2 __first2, _Tp __init) { + return _VSTD::transform_reduce(__first1, __last1, __first2, _VSTD::move(__init), _VSTD::plus<>(), + _VSTD::multiplies<>()); +} +#endif + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H |