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Commit 1c830087 by Marc Glisse Committed by Paolo Carlini
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re PR libstdc++/22200 (numeric_limits<signed>::is_modulo is inconsistent with gcc) 

2012-04-29  Marc Glisse  <marc.glisse@inria.fr>

	PR libstdc++/22200
    	* include/std/limits (numeric_limits<>::is_modulo): False for
    	signed types.

From-SVN: r186944
parent 94ee6979
Showing with 26 additions and 16 deletions
libstdc++-v3/ChangeLog
2012-04-29 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/22200
* include/std/limits (numeric_limits<>::is_modulo): False for
signed types.
2012-04-25 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/hashtable.h: Adjust doxygen markup for base classes.
* include/bits/hashtable_policy.h: Same.
* include/bits/hashtable.h: Adjust doxygen markup for base
classes.
* include/bits/hashtable_policy.h: Same.
2012-04-25 Benjamin Kosnik <bkoz@redhat.com>
......
libstdc++-v3/include/std/limits
......@@ -270,10 +270,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
false for arbitrary precision types.</em> [18.2.1.2]/54 */
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = false;
/** True if the type is @e modulo, that is, if it is possible to add two
positive numbers and have a result that wraps around to a third number
that is less. Typically false for floating types, true for unsigned
integers, and true for signed integers. */
/** True if the type is @e modulo. A type is modulo if, for any
operation involving +, -, or * on values of that type whose
result would fall outside the range [min(),max()], the value
returned differs from the true value by an integer multiple of
max() - min() + 1. On most machines, this is false for floating
types, true for unsigned integers, and true for signed integers.
See PR22200 about signed integers. */
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
/** True if trapping is implemented for this type. */
......@@ -494,7 +497,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -564,7 +567,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -705,7 +708,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = !is_signed;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -768,7 +771,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static constexpr bool is_iec559 = false;
static constexpr bool is_bounded = true;
static constexpr bool is_modulo = true;
static constexpr bool is_modulo = !is_signed;
static constexpr bool traps = __glibcxx_integral_traps;
static constexpr bool tinyness_before = false;
......@@ -829,7 +832,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static constexpr bool is_iec559 = false;
static constexpr bool is_bounded = true;
static constexpr bool is_modulo = true;
static constexpr bool is_modulo = !is_signed;
static constexpr bool traps = __glibcxx_integral_traps;
static constexpr bool tinyness_before = false;
......@@ -896,7 +899,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -1036,7 +1039,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -1175,7 +1178,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -1318,7 +1321,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
......@@ -1465,7 +1468,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps
= __glibcxx_integral_traps;
......
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