Author: marshall
Date: Tue Jul 26 09:29:45 2016
New Revision: 276751
URL: http://llvm.org/viewvc/llvm-project?rev=276751&view=rev
Log:
Implement LCM and GCD for C++17. Same code as for Library Fundamentals TS.
Added:
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp
Modified:
libcxx/trunk/include/algorithm
libcxx/trunk/include/numeric
libcxx/trunk/www/cxx1z_status.html
Modified: libcxx/trunk/include/algorithm
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/algorithm?rev=276751&r1=276750&r2=276751&view=diff
==============================================================================
--- libcxx/trunk/include/algorithm (original)
+++ libcxx/trunk/include/algorithm Tue Jul 26 09:29:45 2016
@@ -2431,7 +2431,7 @@ __rotate_forward(_ForwardIterator __firs
template<typename _Integral>
inline _LIBCPP_INLINE_VISIBILITY
_Integral
-__gcd(_Integral __x, _Integral __y)
+__algo_gcd(_Integral __x, _Integral __y)
{
do
{
@@ -2456,7 +2456,7 @@ __rotate_gcd(_RandomAccessIterator __fir
_VSTD::swap_ranges(__first, __middle, __middle);
return __middle;
}
- const difference_type __g = _VSTD::__gcd(__m1, __m2);
+ const difference_type __g = _VSTD::__algo_gcd(__m1, __m2);
for (_RandomAccessIterator __p = __first + __g; __p != __first;)
{
value_type __t(_VSTD::move(*--__p));
Modified: libcxx/trunk/include/numeric
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/numeric?rev=276751&r1=276750&r2=276751&view=diff
==============================================================================
--- libcxx/trunk/include/numeric (original)
+++ libcxx/trunk/include/numeric Tue Jul 26 09:29:45 2016
@@ -53,6 +53,12 @@ template <class InputIterator, class Out
template <class ForwardIterator, class T>
void iota(ForwardIterator first, ForwardIterator last, T value);
+template <class M, class N>
+ constexpr common_type_t<M,N> gcd(M m, N n); // C++17
+
+template <class M, class N>
+ constexpr common_type_t<M,N> lcm(M m, N n); // C++17
+
} // std
*/
@@ -192,6 +198,62 @@ iota(_ForwardIterator __first, _ForwardI
*__first = __value_;
}
+
+#if _LIBCPP_STD_VER > 14
+template <typename _Tp, bool _IsSigned = is_signed<_Tp>::value> struct __abs;
+
+template <typename _Tp>
+struct __abs<_Tp, true> {
+ _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+ _Tp operator()(_Tp __t) const noexcept { return __t >= 0 ? __t : -__t; }
+};
+
+template <typename _Tp>
+struct __abs<_Tp, false> {
+ _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+ _Tp operator()(_Tp __t) const noexcept { return __t; }
+};
+
+
+template<class _Tp>
+_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+_Tp __gcd(_Tp __m, _Tp __n)
+{
+ static_assert((!is_signed<_Tp>::value), "" );
+ return __n == 0 ? __m : __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");
+ using _Rp = common_type_t<_Tp,_Up>;
+ using _Wp = make_unsigned_t<_Rp>;
+ return static_cast<_Rp>(__gcd(static_cast<_Wp>(__abs<_Tp>()(__m)),
+ static_cast<_Wp>(__abs<_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");
+ if (__m == 0 || __n == 0)
+ return 0;
+
+ using _Rp = common_type_t<_Tp,_Up>;
+ _Rp __val1 = __abs<_Tp>()(__m) / gcd(__m,__n);
+ _Up __val2 = __abs<_Up>()(__n);
+ _LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow
in lcm");
+ return __val1 * __val2;
+}
+
+#endif /* _LIBCPP_STD_VER > 14 */
+
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_NUMERIC
Added:
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp?rev=276751&view=auto
==============================================================================
---
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp
(added)
+++
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral1.fail.cpp
Tue Jul 26 09:29:45 2016
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type, the program is ill-formed.
+
+#include <numeric>
+
+
+int main()
+{
+ std::gcd(2.0, 4);
+}
Added:
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp?rev=276751&view=auto
==============================================================================
---
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp
(added)
+++
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.not_integral2.fail.cpp
Tue Jul 26 09:29:45 2016
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type, the program is ill-formed.
+
+#include <numeric>
+
+
+int main()
+{
+ std::gcd(4, 6.0);
+}
Added: libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp?rev=276751&view=auto
==============================================================================
--- libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp
(added)
+++ libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.gcd/gcd.pass.cpp Tue
Jul 26 09:29:45 2016
@@ -0,0 +1,132 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+#include <numeric>
+#include <cassert>
+#include <cstdlib> // for rand()
+#include <iostream>
+
+constexpr struct {
+ int x;
+ int y;
+ int expect;
+} Cases[] = {
+ {0, 0, 0},
+ {1, 0, 1},
+ {0, 1, 1},
+ {1, 1, 1},
+ {2, 3, 1},
+ {2, 4, 2},
+ {36, 17, 1},
+ {36, 18, 18}
+};
+
+
+template <typename Input1, typename Input2, typename Output>
+constexpr bool test0(Input1 in1, Input2 in2, Output out)
+{
+ static_assert((std::is_same<Output, decltype(std::gcd(in1, in2))>::value),
"" );
+ static_assert((std::is_same<Output, decltype(std::gcd(in2, in1))>::value),
"" );
+ return out == std::gcd(in1, in2) ? true : (std::abort(), false);
+}
+
+
+template <typename Input1, typename Input2 = Input1>
+constexpr bool do_test(int dummy = 0)
+{
+ using S1 = typename std::make_signed<Input1>::type;
+ using S2 = typename std::make_signed<Input2>::type;
+ using U1 = typename std::make_unsigned<Input1>::type;
+ using U2 = typename std::make_unsigned<Input2>::type;
+ bool accumulate = true;
+ for (auto TC : Cases) {
+ { // Test with two signed types
+ using Output = std::common_type_t<S1, S2>;
+ accumulate &= test0<S1, S2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(-TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(-TC.x, -TC.y, TC.expect);
+ }
+ { // test with two unsigned types
+ using Output = std::common_type_t<U1, U2>;
+ accumulate &= test0<U1, U2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, U1, Output>(TC.x, TC.y, TC.expect);
+ }
+ { // Test with mixed signs
+ using Output = std::common_type_t<S1, U2>;
+ accumulate &= test0<S1, U2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, S1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, U2, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, S1, Output>(TC.x, -TC.y, TC.expect);
+ }
+ { // Test with mixed signs
+ using Output = std::common_type_t<S2, U1>;
+ accumulate &= test0<S2, U1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U1, S2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, U1, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<U1, S2, Output>(TC.x, -TC.y, TC.expect);
+ }
+ }
+ return accumulate;
+}
+
+int main()
+{
+ auto non_cce = std::rand(); // a value that can't possibly be constexpr
+
+ static_assert(do_test<signed char>(), "");
+ static_assert(do_test<short>(), "");
+ static_assert(do_test<int>(), "");
+ static_assert(do_test<long>(), "");
+ static_assert(do_test<long long>(), "");
+
+ assert(do_test<signed char>(non_cce));
+ assert(do_test<short>(non_cce));
+ assert(do_test<int>(non_cce));
+ assert(do_test<long>(non_cce));
+ assert(do_test<long long>(non_cce));
+
+ static_assert(do_test< int8_t>(), "");
+ static_assert(do_test<int16_t>(), "");
+ static_assert(do_test<int32_t>(), "");
+ static_assert(do_test<int64_t>(), "");
+
+ assert(do_test< int8_t>(non_cce));
+ assert(do_test<int16_t>(non_cce));
+ assert(do_test<int32_t>(non_cce));
+ assert(do_test<int64_t>(non_cce));
+
+ static_assert(do_test<signed char, int>(), "");
+ static_assert(do_test<int, signed char>(), "");
+ static_assert(do_test<short, int>(), "");
+ static_assert(do_test<int, short>(), "");
+ static_assert(do_test<int, long>(), "");
+ static_assert(do_test<long, int>(), "");
+ static_assert(do_test<int, long long>(), "");
+ static_assert(do_test<long long, int>(), "");
+
+ assert((do_test<signed char, int>(non_cce)));
+ assert((do_test<int, signed char>(non_cce)));
+ assert((do_test<short, int>(non_cce)));
+ assert((do_test<int, short>(non_cce)));
+ assert((do_test<int, long>(non_cce)));
+ assert((do_test<long, int>(non_cce)));
+ assert((do_test<int, long long>(non_cce)));
+ assert((do_test<long long, int>(non_cce)));
+}
Added:
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp?rev=276751&view=auto
==============================================================================
---
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp
(added)
+++
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral1.fail.cpp
Tue Jul 26 09:29:45 2016
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type, the program is ill-formed.
+
+#include <numeric>
+
+
+int main()
+{
+ std::lcm(2.0, 4);
+}
Added:
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp?rev=276751&view=auto
==============================================================================
---
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp
(added)
+++
libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.not_integral2.fail.cpp
Tue Jul 26 09:29:45 2016
@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> lcm(_M __m, _N __n)
+
+// Remarks: If either M or N is not an integer type, the program is ill-formed.
+
+#include <numeric>
+
+
+int main()
+{
+ std::lcm(4, 6.0);
+}
Added: libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp?rev=276751&view=auto
==============================================================================
--- libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp
(added)
+++ libcxx/trunk/test/std/numerics/numeric.ops/numeric.ops.lcm/lcm.pass.cpp Tue
Jul 26 09:29:45 2016
@@ -0,0 +1,131 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// <numeric>
+
+// template<class _M, class _N>
+// constexpr common_type_t<_M,_N> gcd(_M __m, _N __n)
+
+#include <numeric>
+#include <cassert>
+#include <cstdlib>
+#include <iostream>
+
+constexpr struct {
+ int x;
+ int y;
+ int expect;
+} Cases[] = {
+ {0, 0, 0},
+ {1, 0, 0},
+ {0, 1, 0},
+ {1, 1, 1},
+ {2, 3, 6},
+ {2, 4, 4},
+ {3, 17, 51},
+ {36, 18, 36}
+};
+
+template <typename Input1, typename Input2, typename Output>
+constexpr bool test0(Input1 in1, Input2 in2, Output out)
+{
+ static_assert((std::is_same<Output, decltype(std::lcm(Input1(0),
Input2(0)))>::value), "" );
+ static_assert((std::is_same<Output, decltype(std::lcm(Input2(0),
Input1(0)))>::value), "" );
+ return out == std::lcm(in1, in2) ? true : (std::abort(), false);
+}
+
+
+template <typename Input1, typename Input2 = Input1>
+constexpr bool do_test(int dummy = 0)
+{
+ using S1 = typename std::make_signed<Input1>::type;
+ using S2 = typename std::make_signed<Input2>::type;
+ using U1 = typename std::make_unsigned<Input1>::type;
+ using U2 = typename std::make_unsigned<Input2>::type;
+ bool accumulate = true;
+ for (auto TC : Cases) {
+ { // Test with two signed types
+ using Output = std::common_type_t<S1, S2>;
+ accumulate &= test0<S1, S2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S1, S2, Output>(-TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(TC.x, -TC.y, TC.expect);
+ accumulate &= test0<S2, S1, Output>(-TC.x, -TC.y, TC.expect);
+ }
+ { // test with two unsigned types
+ using Output = std::common_type_t<U1, U2>;
+ accumulate &= test0<U1, U2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, U1, Output>(TC.x, TC.y, TC.expect);
+ }
+ { // Test with mixed signs
+ using Output = std::common_type_t<S1, U2>;
+ accumulate &= test0<S1, U2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, S1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S1, U2, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<U2, S1, Output>(TC.x, -TC.y, TC.expect);
+ }
+ { // Test with mixed signs
+ using Output = std::common_type_t<S2, U1>;
+ accumulate &= test0<S2, U1, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<U1, S2, Output>(TC.x, TC.y, TC.expect);
+ accumulate &= test0<S2, U1, Output>(-TC.x, TC.y, TC.expect);
+ accumulate &= test0<U1, S2, Output>(TC.x, -TC.y, TC.expect);
+ }
+ }
+ return accumulate;
+}
+
+int main()
+{
+ auto non_cce = std::rand(); // a value that can't possibly be constexpr
+
+ static_assert(do_test<signed char>(), "");
+ static_assert(do_test<short>(), "");
+ static_assert(do_test<int>(), "");
+ static_assert(do_test<long>(), "");
+ static_assert(do_test<long long>(), "");
+
+ assert(do_test<signed char>(non_cce));
+ assert(do_test<short>(non_cce));
+ assert(do_test<int>(non_cce));
+ assert(do_test<long>(non_cce));
+ assert(do_test<long long>(non_cce));
+
+ static_assert(do_test< int8_t>(), "");
+ static_assert(do_test<int16_t>(), "");
+ static_assert(do_test<int32_t>(), "");
+ static_assert(do_test<int64_t>(), "");
+
+ assert(do_test< int8_t>(non_cce));
+ assert(do_test<int16_t>(non_cce));
+ assert(do_test<int32_t>(non_cce));
+ assert(do_test<int64_t>(non_cce));
+
+ static_assert(do_test<signed char, int>(), "");
+ static_assert(do_test<int, signed char>(), "");
+ static_assert(do_test<short, int>(), "");
+ static_assert(do_test<int, short>(), "");
+ static_assert(do_test<int, long>(), "");
+ static_assert(do_test<long, int>(), "");
+ static_assert(do_test<int, long long>(), "");
+ static_assert(do_test<long long, int>(), "");
+
+ assert((do_test<signed char, int>(non_cce)));
+ assert((do_test<int, signed char>(non_cce)));
+ assert((do_test<short, int>(non_cce)));
+ assert((do_test<int, short>(non_cce)));
+ assert((do_test<int, long>(non_cce)));
+ assert((do_test<long, int>(non_cce)));
+ assert((do_test<int, long long>(non_cce)));
+ assert((do_test<long long, int>(non_cce)));
+}
Modified: libcxx/trunk/www/cxx1z_status.html
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/www/cxx1z_status.html?rev=276751&r1=276750&r2=276751&view=diff
==============================================================================
--- libcxx/trunk/www/cxx1z_status.html (original)
+++ libcxx/trunk/www/cxx1z_status.html Tue Jul 26 09:29:45 2016
@@ -108,14 +108,14 @@
<tr><td><a
href="http://wg21.link/p0181r1";>p0181r1</a></td><td>LWG</td><td>Ordered by
Default</td><td>Oulu</td><td></td><td></td></tr>
<tr><td><a
href="http://wg21.link/p0209r2";>p0209r2</a></td><td>LWG</td><td>make_from_tuple:
apply for construction</td><td>Oulu</td><td>Complete</td><td>3.9</td></tr>
<tr><td><a
href="http://wg21.link/p0219r1";>p0219r1</a></td><td>LWG</td><td>Relative Paths
for Filesystem</td><td>Oulu</td><td></td><td></td></tr>
- <tr><td><a
href="http://wg21.link/p0254r2";>p0254r2</a></td><td>LWG</td><td>Integrating
std::string_view and std::string</td><td>Oulu</td><td></td><td></td></tr>
+ <tr><td><a
href="http://wg21.link/p0254r2";>p0254r2</a></td><td>LWG</td><td>Integrating
std::string_view and
std::string</td><td>Oulu</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a
href="http://wg21.link/p0258r2";>p0258r2</a></td><td>LWG</td><td>has_unique_object_representations</td><td>Oulu</td><td></td><td></td></tr>
- <tr><td><a
href="http://wg21.link/p0295r0";>p0295r0</a></td><td>LWG</td><td>Adopt Selected
Library Fundamentals V2 Components for
C++17</td><td>Oulu</td><td></td><td></td></tr>
+ <tr><td><a
href="http://wg21.link/p0295r0";>p0295r0</a></td><td>LWG</td><td>Adopt Selected
Library Fundamentals V2 Components for
C++17</td><td>Oulu</td><td>Complete</td><td>4.0</td></tr>
<tr><td><a
href="http://wg21.link/p0302r1";>p0302r1</a></td><td>LWG</td><td>Removing
Allocator Support in std::function</td><td>Oulu</td><td></td><td></td></tr>
<tr><td><a
href="http://wg21.link/p0307r2";>p0307r2</a></td><td>LWG</td><td>Making Optional
Greater Equal Again</td><td>Oulu</td><td></td><td></td></tr>
<tr><td><a
href="http://wg21.link/p0336r1";>p0336r1</a></td><td>LWG</td><td>Better Names
for Parallel Execution Policies in
C++17</td><td>Oulu</td><td></td><td></td></tr>
<tr><td><a
href="http://wg21.link/p0337r0";>p0337r0</a></td><td>LWG</td><td>Delete
operator= for
polymorphic_allocator</td><td>Oulu</td><td>Complete</td><td>3.9</td></tr>
- <tr><td><a
href="http://wg21.link/p0346r1";>p0346r1</a></td><td>LWG</td><td>A
<random> Nomenclature Tweak</td><td>Oulu</td><td></td><td></td></tr>
+ <tr><td><a
href="http://wg21.link/p0346r1";>p0346r1</a></td><td>LWG</td><td>A
<random> Nomenclature
Tweak</td><td>Oulu</td><td>Complete</td><td>3.9</td></tr>
<tr><td><a
href="http://wg21.link/p0358r1";>p0358r1</a></td><td>LWG</td><td>Fixes for
not_fn</td><td>Oulu</td><td>Complete</td><td>3.9</td></tr>
<tr><td><a
href="http://wg21.link/p0371r1";>p0371r1</a></td><td>LWG</td><td>Temporarily
discourage memory_order_consume</td><td>Oulu</td><td></td><td></td></tr>
<tr><td><a
href="http://wg21.link/p0392r0";>p0392r0</a></td><td>LWG</td><td>Adapting
string_view by filesystem
paths</td><td>Oulu</td><td>Complete</td><td>4.0</td></tr>
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