limits (__numeric_limits_base::max_digits10, [...]): Add.
2010-02-25 Ed Smith-Rowland <3dw4rd@verizon.net> * include/std/limits (__numeric_limits_base::max_digits10, numeric_limits<>::max_digits10, numeric_limits<>::lowest): Add. * src/limits.cc: Define max_digits10. * config/abi/pre/gnu.ver: Adjust. * testsuite/18_support/numeric_limits/dr559.cc: Test max_digits10 and lowest too. * testsuite/18_support/numeric_limits/lowest.cc: New. * testsuite/18_support/numeric_limits/max_digits10.cc: New. From-SVN: r157067
This commit is contained in:
Ed Smith-Rowland
Paolo Carlini
parent
640f8e6548
commit
018afad39f
7 changed files with 349 additions and 7 deletions
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@ -1,3 +1,14 @@
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2010-02-25 Ed Smith-Rowland <3dw4rd@verizon.net>
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* include/std/limits (__numeric_limits_base::max_digits10,
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numeric_limits<>::max_digits10, numeric_limits<>::lowest): Add.
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* src/limits.cc: Define max_digits10.
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* config/abi/pre/gnu.ver: Adjust.
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* testsuite/18_support/numeric_limits/dr559.cc: Test max_digits10
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and lowest too.
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* testsuite/18_support/numeric_limits/lowest.cc: New.
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* testsuite/18_support/numeric_limits/max_digits10.cc: New.
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2010-02-25 Paolo Carlini <paolo.carlini@oracle.com>
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* include/bits/functional_hash.h (__hash_combine): Remove.
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@ -164,7 +164,7 @@ GLIBCXX_3.4 {
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std::_List_node_base::reverse*;
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std::_List_node_base::transfer*;
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std::__timepunct*;
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std::__numeric_limits_base*;
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# std::__numeric_limits_base*;
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std::__num_base::_S_format_float*;
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std::__num_base::_S_format_int*;
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std::__num_base::_S_atoms_in;
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@ -476,7 +476,15 @@ GLIBCXX_3.4 {
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_ZNSt15time_put_byname*;
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# std::numeric_limits
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_ZNSt14numeric_limitsI[^g]E*;
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_ZNSt21__numeric_limits_base[5-9]*;
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_ZNSt21__numeric_limits_base1[0-7][hirt]*;
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_ZNSt21__numeric_limits_base1[0-7]mi*;
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_ZNSt21__numeric_limits_base1[0-7]max_e*;
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_ZNSt14numeric_limitsI[^g]E[5-9]*;
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_ZNSt14numeric_limitsI[^g]E1[0-7][hirt]*;
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_ZNSt14numeric_limitsI[^g]E1[0-7]mi*;
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_ZNSt14numeric_limitsI[^g]E1[0-7]max_e*;
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# std::_Rb_tree
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_ZSt18_Rb_tree_decrementPKSt18_Rb_tree_node_base;
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@ -1010,8 +1018,14 @@ GLIBCXX_3.4.11 {
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_ZSt20__throw_system_errori;
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# char16_t and char32_t
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_ZNSt14numeric_limitsIDiE*;
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_ZNSt14numeric_limitsIDsE*;
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_ZNSt14numeric_limitsIDiE[5-9]*;
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_ZNSt14numeric_limitsIDsE[5-9]*;
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_ZNSt14numeric_limitsIDiE1[0-7][hirt]*;
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_ZNSt14numeric_limitsIDsE1[0-7][hirt]*;
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_ZNSt14numeric_limitsIDiE1[0-7]mi*;
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_ZNSt14numeric_limitsIDsE1[0-7]mi*;
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_ZNSt14numeric_limitsIDiE1[0-7]max_e*;
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_ZNSt14numeric_limitsIDsE1[0-7]max_e*;
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# chrono
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_ZNSt6chrono12system_clock12is_monotonicE;
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@ -1128,8 +1142,15 @@ GLIBCXX_3.4.14 {
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_ZNSt9__cxx199815_List_node_base9_M_unhookEv;
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_ZNSt9__cxx199815_List_node_base10_M_reverseEv;
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_ZNSt9__cxx199815_List_node_base11_M_transfer*;
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# std::numeric_limits::max_digits10
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_ZNSt21__numeric_limits_base12max_digits10E;
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_ZNSt14numeric_limitsI[^g]E12max_digits10E;
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_ZNSt14numeric_limitsID[is]E12max_digits10E;
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} GLIBCXX_3.4.13;
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# Symbols in the support library (libsupc++) have their own tag.
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CXXABI_1.3 {
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@ -142,6 +142,8 @@
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#define __glibcxx_digits10(T) \
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(__glibcxx_digits (T) * 643 / 2136)
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#define __glibcxx_max_digits10(T) \
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(2 + (T) * 643 / 2136)
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_GLIBCXX_BEGIN_NAMESPACE(std)
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@ -197,11 +199,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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static const int digits = 0;
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/** The number of base 10 digits that can be represented without change. */
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static const int digits10 = 0;
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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/** The number of base 10 digits required to ensure that values which
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differ are always differentiated. */
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static const int max_digits10 = 0;
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#endif
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/** True if the type is signed. */
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static const bool is_signed = false;
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/** True if the type is integer.
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* Is this supposed to be <em>if the type is integral?</em>
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*/
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* Is this supposed to be <em>if the type is integral?</em> */
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static const bool is_integer = false;
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/** True if the type uses an exact representation. <em>All integer types are
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exact, but not all exact types are integer. For example, rational and
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@ -282,6 +288,11 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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static _Tp min() throw() { return static_cast<_Tp>(0); }
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/** The maximum finite value. */
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static _Tp max() throw() { return static_cast<_Tp>(0); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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/** A finite value x such that there is no other finite value y
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* where y < x. */
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static _Tp lowest() throw() { return static_cast<_Tp>(0); }
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#endif
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/** The @e machine @e epsilon: the difference between 1 and the least
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value greater than 1 that is representable. */
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static _Tp epsilon() throw() { return static_cast<_Tp>(0); }
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@ -329,9 +340,15 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return false; }
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static bool max() throw()
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{ return true; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static bool lowest() throw()
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{ return min(); }
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#endif
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static const int digits = 1;
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static const int digits10 = 0;
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -383,9 +400,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return __glibcxx_min(char); }
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static char max() throw()
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{ return __glibcxx_max(char); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static char lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (char);
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static const int digits10 = __glibcxx_digits10 (char);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = __glibcxx_signed (char);
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -434,9 +458,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return -__SCHAR_MAX__ - 1; }
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static signed char max() throw()
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{ return __SCHAR_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static signed char lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (signed char);
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static const int digits10 = __glibcxx_digits10 (signed char);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = true;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -485,9 +516,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return 0; }
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static unsigned char max() throw()
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{ return __SCHAR_MAX__ * 2U + 1; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static unsigned char lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (unsigned char);
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static const int digits10 = __glibcxx_digits10 (unsigned char);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -536,9 +574,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return __glibcxx_min (wchar_t); }
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static wchar_t max() throw()
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{ return __glibcxx_max (wchar_t); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static wchar_t lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (wchar_t);
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static const int digits10 = __glibcxx_digits10 (wchar_t);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = __glibcxx_signed (wchar_t);
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -588,9 +633,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return __glibcxx_min (char16_t); }
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static char16_t max() throw()
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{ return __glibcxx_max (char16_t); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static char16_t lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (char16_t);
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static const int digits10 = __glibcxx_digits10 (char16_t);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = __glibcxx_signed (char16_t);
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -639,9 +691,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return __glibcxx_min (char32_t); }
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static char32_t max() throw()
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{ return __glibcxx_max (char32_t); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static char32_t lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (char32_t);
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static const int digits10 = __glibcxx_digits10 (char32_t);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = __glibcxx_signed (char32_t);
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -691,9 +750,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return -__SHRT_MAX__ - 1; }
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static short max() throw()
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{ return __SHRT_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static short lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (short);
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static const int digits10 = __glibcxx_digits10 (short);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = true;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -742,9 +808,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return 0; }
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static unsigned short max() throw()
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{ return __SHRT_MAX__ * 2U + 1; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static unsigned short lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (unsigned short);
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static const int digits10 = __glibcxx_digits10 (unsigned short);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -793,9 +866,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return -__INT_MAX__ - 1; }
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static int max() throw()
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{ return __INT_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static int lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (int);
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static const int digits10 = __glibcxx_digits10 (int);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = true;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -844,9 +924,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return 0; }
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static unsigned int max() throw()
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{ return __INT_MAX__ * 2U + 1; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static unsigned int lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (unsigned int);
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static const int digits10 = __glibcxx_digits10 (unsigned int);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -895,9 +982,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return -__LONG_MAX__ - 1; }
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static long max() throw()
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{ return __LONG_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static long lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (long);
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static const int digits10 = __glibcxx_digits10 (long);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = true;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -946,9 +1040,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return 0; }
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static unsigned long max() throw()
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{ return __LONG_MAX__ * 2UL + 1; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static unsigned long lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (unsigned long);
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static const int digits10 = __glibcxx_digits10 (unsigned long);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -997,9 +1098,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return -__LONG_LONG_MAX__ - 1; }
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static long long max() throw()
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{ return __LONG_LONG_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static long long lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (long long);
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static const int digits10 = __glibcxx_digits10 (long long);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = true;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -1048,9 +1156,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return 0; }
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static unsigned long long max() throw()
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{ return __LONG_LONG_MAX__ * 2ULL + 1; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static unsigned long long lowest() throw()
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{ return min(); }
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#endif
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static const int digits = __glibcxx_digits (unsigned long long);
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static const int digits10 = __glibcxx_digits10 (unsigned long long);
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10 = 0;
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#endif
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static const bool is_signed = false;
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static const bool is_integer = true;
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static const bool is_exact = true;
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@ -1099,9 +1214,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
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{ return __FLT_MIN__; }
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static float max() throw()
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{ return __FLT_MAX__; }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static float lowest() throw()
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{ return -__FLT_MAX__; }
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#endif
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static const int digits = __FLT_MANT_DIG__;
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static const int digits10 = __FLT_DIG__;
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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static const int max_digits10
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= __glibcxx_max_digits10 (__FLT_MANT_DIG__);
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#endif
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static const bool is_signed = true;
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static const bool is_integer = false;
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static const bool is_exact = false;
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|
|
@ -1156,9 +1279,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
{ return __DBL_MIN__; }
|
||||
static double max() throw()
|
||||
{ return __DBL_MAX__; }
|
||||
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
||||
static double lowest() throw()
|
||||
{ return -__DBL_MAX__; }
|
||||
#endif
|
||||
|
||||
static const int digits = __DBL_MANT_DIG__;
|
||||
static const int digits10 = __DBL_DIG__;
|
||||
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
||||
static const int max_digits10
|
||||
= __glibcxx_max_digits10 (__DBL_MANT_DIG__);
|
||||
#endif
|
||||
static const bool is_signed = true;
|
||||
static const bool is_integer = false;
|
||||
static const bool is_exact = false;
|
||||
|
|
@ -1213,9 +1344,17 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
{ return __LDBL_MIN__; }
|
||||
static long double max() throw()
|
||||
{ return __LDBL_MAX__; }
|
||||
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
||||
static long double lowest() throw()
|
||||
{ return -__LDBL_MAX__; }
|
||||
#endif
|
||||
|
||||
static const int digits = __LDBL_MANT_DIG__;
|
||||
static const int digits10 = __LDBL_DIG__;
|
||||
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
||||
static const int max_digits10
|
||||
= __glibcxx_max_digits10 (__LDBL_MANT_DIG__);
|
||||
#endif
|
||||
static const bool is_signed = true;
|
||||
static const bool is_integer = false;
|
||||
static const bool is_exact = false;
|
||||
|
|
@ -1268,5 +1407,6 @@ _GLIBCXX_END_NAMESPACE
|
|||
#undef __glibcxx_max
|
||||
#undef __glibcxx_digits
|
||||
#undef __glibcxx_digits10
|
||||
#undef __glibcxx_max_digits10
|
||||
|
||||
#endif // _GLIBCXX_NUMERIC_LIMITS
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool __numeric_limits_base::is_specialized;
|
||||
const int __numeric_limits_base::digits;
|
||||
const int __numeric_limits_base::digits10;
|
||||
const int __numeric_limits_base::max_digits10;
|
||||
const bool __numeric_limits_base::is_signed;
|
||||
const bool __numeric_limits_base::is_integer;
|
||||
const bool __numeric_limits_base::is_exact;
|
||||
|
|
@ -61,6 +62,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<bool>::is_specialized;
|
||||
const int numeric_limits<bool>::digits;
|
||||
const int numeric_limits<bool>::digits10;
|
||||
const int numeric_limits<bool>::max_digits10;
|
||||
const bool numeric_limits<bool>::is_signed;
|
||||
const bool numeric_limits<bool>::is_integer;
|
||||
const bool numeric_limits<bool>::is_exact;
|
||||
|
|
@ -85,6 +87,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<char>::is_specialized;
|
||||
const int numeric_limits<char>::digits;
|
||||
const int numeric_limits<char>::digits10;
|
||||
const int numeric_limits<char>::max_digits10;
|
||||
const bool numeric_limits<char>::is_signed;
|
||||
const bool numeric_limits<char>::is_integer;
|
||||
const bool numeric_limits<char>::is_exact;
|
||||
|
|
@ -109,6 +112,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<signed char>::is_specialized;
|
||||
const int numeric_limits<signed char>::digits;
|
||||
const int numeric_limits<signed char>::digits10;
|
||||
const int numeric_limits<signed char>::max_digits10;
|
||||
const bool numeric_limits<signed char>::is_signed;
|
||||
const bool numeric_limits<signed char>::is_integer;
|
||||
const bool numeric_limits<signed char>::is_exact;
|
||||
|
|
@ -133,6 +137,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<unsigned char>::is_specialized;
|
||||
const int numeric_limits<unsigned char>::digits;
|
||||
const int numeric_limits<unsigned char>::digits10;
|
||||
const int numeric_limits<unsigned char>::max_digits10;
|
||||
const bool numeric_limits<unsigned char>::is_signed;
|
||||
const bool numeric_limits<unsigned char>::is_integer;
|
||||
const bool numeric_limits<unsigned char>::is_exact;
|
||||
|
|
@ -159,6 +164,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<wchar_t>::is_specialized;
|
||||
const int numeric_limits<wchar_t>::digits;
|
||||
const int numeric_limits<wchar_t>::digits10;
|
||||
const int numeric_limits<wchar_t>::max_digits10;
|
||||
const bool numeric_limits<wchar_t>::is_signed;
|
||||
const bool numeric_limits<wchar_t>::is_integer;
|
||||
const bool numeric_limits<wchar_t>::is_exact;
|
||||
|
|
@ -184,6 +190,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<short>::is_specialized;
|
||||
const int numeric_limits<short>::digits;
|
||||
const int numeric_limits<short>::digits10;
|
||||
const int numeric_limits<short>::max_digits10;
|
||||
const bool numeric_limits<short>::is_signed;
|
||||
const bool numeric_limits<short>::is_integer;
|
||||
const bool numeric_limits<short>::is_exact;
|
||||
|
|
@ -208,6 +215,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<unsigned short>::is_specialized;
|
||||
const int numeric_limits<unsigned short>::digits;
|
||||
const int numeric_limits<unsigned short>::digits10;
|
||||
const int numeric_limits<unsigned short>::max_digits10;
|
||||
const bool numeric_limits<unsigned short>::is_signed;
|
||||
const bool numeric_limits<unsigned short>::is_integer;
|
||||
const bool numeric_limits<unsigned short>::is_exact;
|
||||
|
|
@ -232,6 +240,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<int>::is_specialized;
|
||||
const int numeric_limits<int>::digits;
|
||||
const int numeric_limits<int>::digits10;
|
||||
const int numeric_limits<int>::max_digits10;
|
||||
const bool numeric_limits<int>::is_signed;
|
||||
const bool numeric_limits<int>::is_integer;
|
||||
const bool numeric_limits<int>::is_exact;
|
||||
|
|
@ -256,6 +265,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<unsigned int>::is_specialized;
|
||||
const int numeric_limits<unsigned int>::digits;
|
||||
const int numeric_limits<unsigned int>::digits10;
|
||||
const int numeric_limits<unsigned int>::max_digits10;
|
||||
const bool numeric_limits<unsigned int>::is_signed;
|
||||
const bool numeric_limits<unsigned int>::is_integer;
|
||||
const bool numeric_limits<unsigned int>::is_exact;
|
||||
|
|
@ -280,6 +290,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<long>::is_specialized;
|
||||
const int numeric_limits<long>::digits;
|
||||
const int numeric_limits<long>::digits10;
|
||||
const int numeric_limits<long>::max_digits10;
|
||||
const bool numeric_limits<long>::is_signed;
|
||||
const bool numeric_limits<long>::is_integer;
|
||||
const bool numeric_limits<long>::is_exact;
|
||||
|
|
@ -304,6 +315,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<unsigned long>::is_specialized;
|
||||
const int numeric_limits<unsigned long>::digits;
|
||||
const int numeric_limits<unsigned long>::digits10;
|
||||
const int numeric_limits<unsigned long>::max_digits10;
|
||||
const bool numeric_limits<unsigned long>::is_signed;
|
||||
const bool numeric_limits<unsigned long>::is_integer;
|
||||
const bool numeric_limits<unsigned long>::is_exact;
|
||||
|
|
@ -328,6 +340,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<long long>::is_specialized;
|
||||
const int numeric_limits<long long>::digits;
|
||||
const int numeric_limits<long long>::digits10;
|
||||
const int numeric_limits<long long>::max_digits10;
|
||||
const bool numeric_limits<long long>::is_signed;
|
||||
const bool numeric_limits<long long>::is_integer;
|
||||
const bool numeric_limits<long long>::is_exact;
|
||||
|
|
@ -351,6 +364,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<unsigned long long>::is_specialized;
|
||||
const int numeric_limits<unsigned long long>::digits;
|
||||
const int numeric_limits<unsigned long long>::digits10;
|
||||
const int numeric_limits<unsigned long long>::max_digits10;
|
||||
const bool numeric_limits<unsigned long long>::is_signed;
|
||||
const bool numeric_limits<unsigned long long>::is_integer;
|
||||
const bool numeric_limits<unsigned long long>::is_exact;
|
||||
|
|
@ -375,6 +389,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<float>::is_specialized;
|
||||
const int numeric_limits<float>::digits;
|
||||
const int numeric_limits<float>::digits10;
|
||||
const int numeric_limits<float>::max_digits10;
|
||||
const bool numeric_limits<float>::is_signed;
|
||||
const bool numeric_limits<float>::is_integer;
|
||||
const bool numeric_limits<float>::is_exact;
|
||||
|
|
@ -399,6 +414,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<double>::is_specialized;
|
||||
const int numeric_limits<double>::digits;
|
||||
const int numeric_limits<double>::digits10;
|
||||
const int numeric_limits<double>::max_digits10;
|
||||
const bool numeric_limits<double>::is_signed;
|
||||
const bool numeric_limits<double>::is_integer;
|
||||
const bool numeric_limits<double>::is_exact;
|
||||
|
|
@ -423,6 +439,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<long double>::is_specialized;
|
||||
const int numeric_limits<long double>::digits;
|
||||
const int numeric_limits<long double>::digits10;
|
||||
const int numeric_limits<long double>::max_digits10;
|
||||
const bool numeric_limits<long double>::is_signed;
|
||||
const bool numeric_limits<long double>::is_integer;
|
||||
const bool numeric_limits<long double>::is_exact;
|
||||
|
|
@ -447,6 +464,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<char16_t>::is_specialized;
|
||||
const int numeric_limits<char16_t>::digits;
|
||||
const int numeric_limits<char16_t>::digits10;
|
||||
const int numeric_limits<char16_t>::max_digits10;
|
||||
const bool numeric_limits<char16_t>::is_signed;
|
||||
const bool numeric_limits<char16_t>::is_integer;
|
||||
const bool numeric_limits<char16_t>::is_exact;
|
||||
|
|
@ -471,6 +489,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
|
|||
const bool numeric_limits<char32_t>::is_specialized;
|
||||
const int numeric_limits<char32_t>::digits;
|
||||
const int numeric_limits<char32_t>::digits10;
|
||||
const int numeric_limits<char32_t>::max_digits10;
|
||||
const bool numeric_limits<char32_t>::is_signed;
|
||||
const bool numeric_limits<char32_t>::is_integer;
|
||||
const bool numeric_limits<char32_t>::is_exact;
|
||||
|
|
|
|||
|
|
@ -33,8 +33,10 @@ template<typename T>
|
|||
VERIFY( cv_limits::is_specialized == limits::is_specialized );
|
||||
VERIFY( cv_limits::min() == limits::min() );
|
||||
VERIFY( cv_limits::max() == limits::max() );
|
||||
VERIFY( cv_limits::lowest() == limits::lowest() );
|
||||
VERIFY( cv_limits::digits == limits::digits );
|
||||
VERIFY( cv_limits::digits10 == limits::digits10 );
|
||||
VERIFY( cv_limits::max_digits10 == limits::max_digits10 );
|
||||
VERIFY( cv_limits::is_signed == limits::is_signed );
|
||||
VERIFY( cv_limits::is_integer == limits::is_integer );
|
||||
VERIFY( cv_limits::is_exact == limits::is_exact );
|
||||
|
|
|
|||
82
libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc
Normal file
82
libstdc++-v3/testsuite/18_support/numeric_limits/lowest.cc
Normal file
|
|
@ -0,0 +1,82 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
// { dg-add-options ieee }
|
||||
|
||||
// 2010-02-25 Ed Smith-Rowland
|
||||
|
||||
// Copyright (C) 2010 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/>.
|
||||
|
||||
// 18.2.1.1 template class numeric_limits
|
||||
|
||||
#include <limits>
|
||||
#include <type_traits>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
template<typename T>
|
||||
void
|
||||
do_test(std::true_type)
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
T limits_min = std::numeric_limits<T>::min();
|
||||
VERIFY( std::numeric_limits<T>::lowest() == limits_min );
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
void
|
||||
do_test(std::false_type)
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
T limits_max = std::numeric_limits<T>::max();
|
||||
VERIFY( std::numeric_limits<T>::lowest() == -limits_max );
|
||||
}
|
||||
|
||||
template<typename Tp>
|
||||
void
|
||||
do_test()
|
||||
{ do_test<Tp>(typename std::is_integral<Tp>::type()); }
|
||||
|
||||
void test01()
|
||||
{
|
||||
do_test<char>();
|
||||
do_test<signed char>();
|
||||
do_test<unsigned char>();
|
||||
do_test<wchar_t>();
|
||||
do_test<char16_t>();
|
||||
do_test<char32_t>();
|
||||
|
||||
do_test<short>();
|
||||
do_test<unsigned short>();
|
||||
|
||||
do_test<int>();
|
||||
do_test<unsigned int>();
|
||||
|
||||
do_test<long>();
|
||||
do_test<unsigned long>();
|
||||
|
||||
do_test<long long>();
|
||||
do_test<unsigned long long>();
|
||||
|
||||
do_test<float>();
|
||||
do_test<double>();
|
||||
do_test<long double>();
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// { dg-options "-std=gnu++0x" }
|
||||
// { dg-add-options ieee }
|
||||
|
||||
// 2010-02-25 Ed Smith-Rowland
|
||||
|
||||
// Copyright (C) 2010 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/>.
|
||||
|
||||
// 18.2.1.1 template class numeric_limits
|
||||
|
||||
#include <limits>
|
||||
#include <cmath>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
VERIFY( std::numeric_limits<bool>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<char>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<signed char>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<unsigned char>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<wchar_t>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<short>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<unsigned short>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<int>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<unsigned int>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<long>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<unsigned long>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<long long>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<unsigned long long>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<char16_t>::max_digits10 == 0 );
|
||||
VERIFY( std::numeric_limits<char32_t>::max_digits10 == 0 );
|
||||
|
||||
const int f_max_digits10 = (2 + std::numeric_limits<float>::digits
|
||||
* 643 / 2136);
|
||||
VERIFY( std::numeric_limits<float>::max_digits10 == f_max_digits10 );
|
||||
|
||||
const int d_max_digits10 = (2 + std::numeric_limits<double>::digits
|
||||
* 643 / 2136);
|
||||
VERIFY( std::numeric_limits<double>::max_digits10 == d_max_digits10 );
|
||||
|
||||
const int ld_max_digits10 = (2 + std::numeric_limits<long double>::digits
|
||||
* 643 / 2136);
|
||||
VERIFY( std::numeric_limits<long double>::max_digits10 == ld_max_digits10 );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue