Hi,
straightforward indeed. Tested x86_64-linux.
Thanks,
Paolo.
/////////////////////////
2012-07-03 Paolo Carlini <[email protected]>
PR libstdc++/53840
* include/std/ratio (ratio_multiply, ratio_divide, ratio_add,
ratio_subtract): Use template aliases.
* include/std/chrono (duration<>::duration(const duration<>&),
duration_cast): Adjust.
* testsuite/20_util/ratio/operations/53840.cc: New.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
Index: include/std/ratio
===================================================================
--- include/std/ratio (revision 189214)
+++ include/std/ratio (working copy)
@@ -1,6 +1,6 @@
// ratio -*- C++ -*-
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -282,9 +282,8 @@
template<intmax_t _Num, intmax_t _Den>
constexpr intmax_t ratio<_Num, _Den>::den;
- /// ratio_multiply
template<typename _R1, typename _R2>
- struct ratio_multiply
+ struct __ratio_multiply
{
private:
static const intmax_t __gcd1 =
@@ -304,18 +303,21 @@
};
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_multiply<_R1, _R2>::num;
+ constexpr intmax_t __ratio_multiply<_R1, _R2>::num;
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_multiply<_R1, _R2>::den;
+ constexpr intmax_t __ratio_multiply<_R1, _R2>::den;
- /// ratio_divide
+ /// ratio_multiply
template<typename _R1, typename _R2>
- struct ratio_divide
+ using ratio_multiply = typename __ratio_multiply<_R1, _R2>::type;
+
+ template<typename _R1, typename _R2>
+ struct __ratio_divide
{
static_assert(_R2::num != 0, "division by 0");
- typedef typename ratio_multiply<
+ typedef typename __ratio_multiply<
_R1,
ratio<_R2::den, _R2::num>>::type type;
@@ -324,11 +326,15 @@
};
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_divide<_R1, _R2>::num;
+ constexpr intmax_t __ratio_divide<_R1, _R2>::num;
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_divide<_R1, _R2>::den;
+ constexpr intmax_t __ratio_divide<_R1, _R2>::den;
+ /// ratio_divide
+ template<typename _R1, typename _R2>
+ using ratio_divide = typename __ratio_divide<_R1, _R2>::type;
+
/// ratio_equal
template<typename _R1, typename _R2>
struct ratio_equal
@@ -464,9 +470,8 @@
typedef ratio<__n_final::__quot_lo, __d_final::__lo> type;
};
- /// ratio_add
template<typename _R1, typename _R2>
- struct ratio_add
+ struct __ratio_add
{
typedef typename __ratio_add_impl<_R1, _R2>::type type;
static constexpr intmax_t num = type::num;
@@ -474,16 +479,19 @@
};
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_add<_R1, _R2>::num;
+ constexpr intmax_t __ratio_add<_R1, _R2>::num;
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_add<_R1, _R2>::den;
+ constexpr intmax_t __ratio_add<_R1, _R2>::den;
- /// ratio_subtract
+ /// ratio_add
template<typename _R1, typename _R2>
- struct ratio_subtract
+ using ratio_add = typename __ratio_add<_R1, _R2>::type;
+
+ template<typename _R1, typename _R2>
+ struct __ratio_subtract
{
- typedef typename ratio_add<
+ typedef typename __ratio_add<
_R1,
ratio<-_R2::num, _R2::den>>::type type;
@@ -492,11 +500,14 @@
};
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_subtract<_R1, _R2>::num;
+ constexpr intmax_t __ratio_subtract<_R1, _R2>::num;
template<typename _R1, typename _R2>
- constexpr intmax_t ratio_subtract<_R1, _R2>::den;
+ constexpr intmax_t __ratio_subtract<_R1, _R2>::den;
+ /// ratio_subtract
+ template<typename _R1, typename _R2>
+ using ratio_subtract = typename __ratio_subtract<_R1, _R2>::type;
typedef ratio<1, 1000000000000000000> atto;
Index: include/std/chrono
===================================================================
--- include/std/chrono (revision 189214)
+++ include/std/chrono (working copy)
@@ -1,6 +1,6 @@
// <chrono> -*- C++ -*-
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -174,8 +174,7 @@
{
typedef typename _ToDur::period __to_period;
typedef typename _ToDur::rep __to_rep;
- typedef ratio_divide<_Period, __to_period> __r_div;
- typedef typename __r_div::type __cf;
+ typedef ratio_divide<_Period, __to_period> __cf;
typedef typename common_type<__to_rep, _Rep, intmax_t>::type
__cr;
typedef __duration_cast_impl<_ToDur, __cf, __cr,
@@ -242,7 +241,7 @@
template<typename _Rep2, typename _Period2, typename = typename
enable_if<treat_as_floating_point<rep>::value
- || (ratio_divide<_Period2, period>::type::den == 1
+ || (ratio_divide<_Period2, period>::den == 1
&& !treat_as_floating_point<_Rep2>::value)>::type>
constexpr duration(const duration<_Rep2, _Period2>& __d)
: __r(duration_cast<duration>(__d).count()) { }
Index: testsuite/20_util/duration/requirements/typedefs_neg1.cc
===================================================================
--- testsuite/20_util/duration/requirements/typedefs_neg1.cc (revision
189214)
+++ testsuite/20_util/duration/requirements/typedefs_neg1.cc (working copy)
@@ -3,7 +3,7 @@
// { dg-require-cstdint "" }
// 2008-07-31 Chris Fairles <[email protected]>
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -31,5 +31,5 @@
test_type d;
}
-// { dg-error "rep cannot be a duration" "" { target *-*-* } 226 }
+// { dg-error "rep cannot be a duration" "" { target *-*-* } 225 }
// { dg-error "required from here" "" { target *-*-* } 31 }
Index: testsuite/20_util/duration/requirements/typedefs_neg2.cc
===================================================================
--- testsuite/20_util/duration/requirements/typedefs_neg2.cc (revision
189214)
+++ testsuite/20_util/duration/requirements/typedefs_neg2.cc (working copy)
@@ -3,7 +3,7 @@
// { dg-require-cstdint "" }
// 2008-07-31 Chris Fairles <[email protected]>
-// Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -32,5 +32,5 @@
test_type d; // { dg-error "required from here" }
}
-// { dg-error "must be a specialization of ratio" "" { target *-*-* } 227 }
+// { dg-error "must be a specialization of ratio" "" { target *-*-* } 226 }
// { dg-prune-output "not a member" }
Index: testsuite/20_util/duration/requirements/typedefs_neg3.cc
===================================================================
--- testsuite/20_util/duration/requirements/typedefs_neg3.cc (revision
189214)
+++ testsuite/20_util/duration/requirements/typedefs_neg3.cc (working copy)
@@ -3,7 +3,7 @@
// { dg-require-cstdint "" }
// 2008-07-31 Chris Fairles <[email protected]>
-// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -33,5 +33,5 @@
test_type d;
}
-// { dg-error "period must be positive" "" { target *-*-* } 229 }
+// { dg-error "period must be positive" "" { target *-*-* } 228 }
// { dg-error "required from here" "" { target *-*-* } 33 }
Index: testsuite/20_util/ratio/operations/ops_overflow_neg.cc
===================================================================
--- testsuite/20_util/ratio/operations/ops_overflow_neg.cc (revision
189214)
+++ testsuite/20_util/ratio/operations/ops_overflow_neg.cc (working copy)
@@ -4,7 +4,7 @@
// 2008-07-03 Chris Fairles <[email protected]>
-// Copyright (C) 2008, 2009, 2011 Free Software Foundation
+// Copyright (C) 2008, 2009, 2011, 2012 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -40,9 +40,9 @@
}
// { dg-error "required from here" "" { target *-*-* } 29 }
-// { dg-error "required from here" "" { target *-*-* } 36 }
-// { dg-error "required from here" "" { target *-*-* } 38 }
-// { dg-error "overflow in addition" "" { target *-*-* } 429 }
+// { dg-error "expected initializer" "" { target *-*-* } 36 }
+// { dg-error "expected initializer" "" { target *-*-* } 38 }
+// { dg-error "overflow in addition" "" { target *-*-* } 435 }
// { dg-error "overflow in multiplication" "" { target *-*-* } 97 }
// { dg-error "overflow in multiplication" "" { target *-*-* } 99 }
// { dg-error "overflow in multiplication" "" { target *-*-* } 101 }
Index: testsuite/20_util/ratio/operations/53840.cc
===================================================================
--- testsuite/20_util/ratio/operations/53840.cc (revision 0)
+++ testsuite/20_util/ratio/operations/53840.cc (revision 0)
@@ -0,0 +1,27 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+// { dg-do compile }
+
+// Copyright (C) 2012 Free Software Foundation
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <chrono>
+
+std::chrono::duration<long, std::ratio_divide<std::kilo, std::milli>> d1;
+std::chrono::duration<long, std::ratio_multiply<std::kilo, std::milli>> d2;
+std::chrono::duration<long, std::ratio_add<std::kilo, std::milli>> d3;
+std::chrono::duration<long, std::ratio_subtract<std::kilo, std::milli>> d4;
