std_limits.h (__glibcpp_integral_traps): New.
* include/std/std_limits.h (__glibcpp_integral_traps): New.
(__glibcpp_char_traps, __glibcpp_short_traps, __glibcpp_int_traps,
__glibcpp_long_traps, __glibcpp_wchar_t_traps,
__glibcpp_long_long_traps, __glibcpp_plain_char_traps,
__glibcpp_signed_char_traps, __glibcpp_unsigned_char_traps,
__glibcpp_signed_short_traps, __glibcpp_unsigned_short_traps,
__glibcpp_signed_int_traps, __glibcpp_unsigned_int_traps,
__glibcpp_signed_long_traps, __glibcpp_unsigned_long_traps,
__glibcpp_signed_long_long_traps, __glibcpp_unsigned_long_long_traps,
__glibcpp_char_is_modulo, __glibcpp_signed_char_is_modulo,
__glibcpp_signed_short_is_modulo, __glibcpp_signed_int_is_modulo,
__glibcpp_signed_long_is_modulo, __glibcpp_signed_long_long_is_modulo,
__glibcpp_wchar_t_is_modulo, __glibcpp_float_is_bounded,
__glibcpp_double_is_bounded, __glibcpp_long_double_is_bounded): Kill.
(numeric_limits<T>::traps, T integral): Use __glibcpp_integral_traps.
(numeric_limits<T>::is_modulo, T integral): Use true.
(numeric_limits<T>::is_bounded, T floating): Use true.
From-SVN: r57414
This commit is contained in:
Richard Henderson
Richard Henderson
parent
cf2214db0c
commit
da28539cd6
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@ -19,6 +19,24 @@
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(numeric_limits<float>::is_iec559): Use has_infinity & has_quiet_NaN.
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(numeric_limits<double>, numeric_limits<long double>): Similarly.
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* include/std/std_limits.h (__glibcpp_integral_traps): New.
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(__glibcpp_char_traps, __glibcpp_short_traps, __glibcpp_int_traps,
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__glibcpp_long_traps, __glibcpp_wchar_t_traps,
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__glibcpp_long_long_traps, __glibcpp_plain_char_traps,
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__glibcpp_signed_char_traps, __glibcpp_unsigned_char_traps,
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__glibcpp_signed_short_traps, __glibcpp_unsigned_short_traps,
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__glibcpp_signed_int_traps, __glibcpp_unsigned_int_traps,
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__glibcpp_signed_long_traps, __glibcpp_unsigned_long_traps,
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__glibcpp_signed_long_long_traps, __glibcpp_unsigned_long_long_traps,
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__glibcpp_char_is_modulo, __glibcpp_signed_char_is_modulo,
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__glibcpp_signed_short_is_modulo, __glibcpp_signed_int_is_modulo,
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__glibcpp_signed_long_is_modulo, __glibcpp_signed_long_long_is_modulo,
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__glibcpp_wchar_t_is_modulo, __glibcpp_float_is_bounded,
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__glibcpp_double_is_bounded, __glibcpp_long_double_is_bounded): Kill.
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(numeric_limits<T>::traps, T integral): Use __glibcpp_integral_traps.
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(numeric_limits<T>::is_modulo, T integral): Use true.
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(numeric_limits<T>::is_bounded, T floating): Use true.
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2002-09-18 Loren J. Rittle <ljrittle@acm.org>
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* testsuite/18_support/numeric_limits.cc (test_epsilon): New.
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@ -92,23 +92,11 @@
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// These values can be overridden in the target configuration file.
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// The default values are appropriate for many 32-bit targets.
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#ifndef __glibcpp_char_traps
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# define __glibcpp_char_traps true
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#endif
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#ifndef __glibcpp_short_traps
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# define __glibcpp_short_traps true
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#endif
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#ifndef __glibcpp_int_traps
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# define __glibcpp_int_traps true
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#endif
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#ifndef __glibcpp_long_traps
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# define __glibcpp_long_traps true
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#endif
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#ifndef __glibcpp_wchar_t_traps
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# define __glibcpp_wchar_t_traps true
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#endif
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#ifndef __glibcpp_long_long_traps
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# define __glibcpp_long_long_traps true
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// GCC only intrinsicly supports modulo integral types. The only remaining
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// integral exceptional values is division by zero. Only targets that do not
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// signal division by zero in some "hard to ignore" way should use false.
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#ifndef __glibcpp_integral_traps
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# define __glibcpp_integral_traps true
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#endif
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// You should not need to define any macros below this point, unless
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@ -151,7 +139,7 @@
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#define __glibcpp_u64_digits10 19
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// bool-specific hooks:
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// __glibcpp_bool_digits __glibcpp_int_traps __glibcpp_long_traps
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// __glibcpp_bool_digits
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#ifndef __glibcpp_bool_digits
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# define __glibcpp_bool_digits 1
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@ -159,15 +147,6 @@
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// char.
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#define __glibcpp_plain_char_traps true
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#define __glibcpp_signed_char_traps true
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#define __glibcpp_unsigned_char_traps true
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#ifndef __glibcpp_char_is_modulo
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# define __glibcpp_char_is_modulo true
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#endif
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#ifndef __glibcpp_signed_char_is_modulo
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# define __glibcpp_signed_char_is_modulo true
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#endif
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#if __CHAR_BIT__ == 8
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# define __glibcpp_signed_char_min __glibcpp_s8_min
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# define __glibcpp_signed_char_max __glibcpp_s8_max
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@ -222,11 +201,6 @@
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// short
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#define __glibcpp_signed_short_traps true
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#define __glibcpp_unsigned_short_traps true
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#ifndef __glibcpp_signed_short_is_modulo
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# define __glibcpp_signed_short_is_modulo true
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#endif
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#if __SHRT_BIT__ == 8
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# define __glibcpp_signed_short_min __glibcpp_s8_min
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# define __glibcpp_signed_short_max __glibcpp_s8_max
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@ -269,11 +243,6 @@
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// int
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#define __glibcpp_signed_int_traps true
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#define __glibcpp_unsigned_int_traps true
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#ifndef __glibcpp_signed_int_is_modulo
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# define __glibcpp_signed_int_is_modulo true
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#endif
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#if __INT_BIT__ == 8
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# define __glibcpp_signed_int_min __glibcpp_s8_min
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# define __glibcpp_signed_int_max __glibcpp_s8_max
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@ -316,11 +285,6 @@
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// long
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#define __glibcpp_signed_long_traps true
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#define __glibcpp_unsigned_long_traps true
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#ifndef __glibcpp_signed_long_is_modulo
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# define __glibcpp_signed_long_is_modulo true
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#endif
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#if __LONG_BIT__ == 8
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# define __glibcpp_signed_long_min __glibcpp_s8_min
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# define __glibcpp_signed_long_max __glibcpp_s8_max
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@ -363,11 +327,6 @@
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// long long
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#define __glibcpp_signed_long_long_traps true
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#define __glibcpp_signed_long_long_traps true
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#ifndef __glibcpp_signed_long_long_is_modulo
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# define __glibcpp_signed_long_long_is_modulo true
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#endif
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#if __LONG_LONG_BIT__ == 8
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# define __glibcpp_signed_long_long_min __glibcpp_s8_min
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# define __glibcpp_signed_long_long_max __glibcpp_s8_max
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@ -400,22 +359,16 @@
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# define __glibcpp_signed_long_long_max __glibcpp_s64_max
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# define __glibcpp_signed_long_long_digits __glibcpp_s64_digits
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# define __glibcpp_signed_long_long_digits10 __glibcpp_s64_digits10
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# define __glibcpp_signed_long_long_traps true
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# define __glibcpp_unsigned_long_long_min __glibcpp_u64_min
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# define __glibcpp_unsigned_long_long_max __glibcpp_u64_max
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# define __glibcpp_unsigned_long_long_digits __glibcpp_u64_digits
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# define __glibcpp_unsigned_long_long_digits10 __glibcpp_u64_digits10
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# define __glibcpp_unsigned_long_long_traps true
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#else
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// You must define these macros in the configuration file.
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#endif
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// wchar_t
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#define __glibcpp_wchar_t_traps true
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#ifndef __glibcpp_wchar_t_is_modulo
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# define __glibcpp_wchar_t_is_modulo true
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#endif
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#if __glibcpp_wchar_t_is_signed
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# if __WCHAR_BIT__ == 8
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# define __glibcpp_wchar_t_min __glibcpp_s8_min
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@ -475,10 +428,6 @@
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# define __glibcpp_float_has_denorm_loss false
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#endif
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#ifndef __glibcpp_float_is_bounded
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# define __glibcpp_float_is_bounded true
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#endif
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#ifndef __glibcpp_float_is_modulo
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# define __glibcpp_float_is_modulo false
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#endif
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@ -499,10 +448,6 @@
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# define __glibcpp_double_has_denorm_loss false
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#endif
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#ifndef __glibcpp_double_is_bounded
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# define __glibcpp_double_is_bounded true
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#endif
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#ifndef __glibcpp_double_is_modulo
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# define __glibcpp_double_is_modulo false
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#endif
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@ -523,10 +468,6 @@
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# define __glibcpp_long_double_has_denorm_loss false
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#endif
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#ifndef __glibcpp_long_double_is_bounded
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# define __glibcpp_long_double_is_bounded true
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#endif
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#ifndef __glibcpp_long_double_is_modulo
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# define __glibcpp_long_double_is_modulo false
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#endif
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@ -698,8 +639,7 @@ namespace std
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// It is not clear what it means for a boolean type to trap.
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// This is a DR on the LWG issue list. Here, I use integer
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// promotion semantics.
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static const bool traps = __glibcpp_signed_int_traps
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|| __glibcpp_signed_long_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -749,9 +689,9 @@ namespace std
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static const bool is_iec559 = false;
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static const bool is_bounded = true;
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static const bool is_modulo = __glibcpp_char_is_modulo;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_char_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -761,8 +701,6 @@ namespace std
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#undef __glibcpp_char_digits
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#undef __glibcpp_char_digits10
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#undef __glibcpp_char_is_signed
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#undef __glibcpp_char_is_modulo
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#undef __glibcpp_char_traps
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@ -809,9 +747,9 @@ namespace std
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static const bool is_iec559 = false;
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static const bool is_bounded = true;
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static const bool is_modulo = __glibcpp_signed_char_is_modulo;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_signed_char_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -820,8 +758,6 @@ namespace std
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#undef __glibcpp_signed_char_max
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#undef __glibcpp_signed_char_digits
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#undef __glibcpp_signed_char_digits10
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#undef __glibcpp_signed_char_is_modulo
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#undef __glibcpp_signed_char_traps
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template<>
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struct numeric_limits<unsigned char>
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@ -868,7 +804,7 @@ namespace std
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static const bool is_bounded = true;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_unsigned_char_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -876,7 +812,6 @@ namespace std
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#undef __glibcpp_unsigned_char_max
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#undef __glibcpp_unsigned_char_digits
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#undef __glibcpp_unsigned_char_digits10
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#undef __glibcpp_unsigned_char_traps
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template<>
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struct numeric_limits<wchar_t>
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@ -921,9 +856,9 @@ namespace std
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static const bool is_iec559 = false;
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static const bool is_bounded = true;
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static const bool is_modulo = __glibcpp_wchar_t_is_modulo;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_wchar_t_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -933,8 +868,6 @@ namespace std
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#undef __glibcpp_wchar_t_digits
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#undef __glibcpp_wchar_t_digits10
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#undef __glibcpp_wchar_t_is_signed
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#undef __glibcpp_wchar_t_is_modulo
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#undef __glibcpp_wchar_t_traps
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template<>
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struct numeric_limits<short>
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@ -979,9 +912,9 @@ namespace std
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static const bool is_iec559 = true;
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static const bool is_bounded = true;
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static const bool is_modulo = __glibcpp_signed_short_is_modulo;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_signed_short_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -990,8 +923,6 @@ namespace std
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#undef __glibcpp_signed_short_max
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#undef __glibcpp_signed_short_digits
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#undef __glibcpp_signed_short_digits10
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#undef __glibcpp_signed_short_is_modulo
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#undef __glibcpp_signed_short_traps
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template<>
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struct numeric_limits<unsigned short>
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@ -1038,7 +969,7 @@ namespace std
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static const bool is_bounded = true;
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static const bool is_modulo = true;
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static const bool traps = __glibcpp_unsigned_short_traps;
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static const bool traps = __glibcpp_integral_traps;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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@ -1046,7 +977,6 @@ namespace std
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#undef __glibcpp_unsigned_short_max
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#undef __glibcpp_unsigned_short_digits
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#undef __glibcpp_unsigned_short_digits10
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#undef __glibcpp_unsigned_short_traps
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template<>
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struct numeric_limits<int>
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@ -1091,9 +1021,9 @@ namespace std
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static const bool is_iec559 = true;
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static const bool is_bounded = true;
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static const bool is_modulo = __glibcpp_signed_int_is_modulo;
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static const bool is_modulo = true;
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|
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static const bool traps = __glibcpp_signed_int_traps;
|
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static const bool traps = __glibcpp_integral_traps;
|
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static const bool tinyness_before = false;
|
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static const float_round_style round_style = round_toward_zero;
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};
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@ -1102,8 +1032,6 @@ namespace std
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#undef __glibcpp_signed_int_max
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#undef __glibcpp_signed_int_digits
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#undef __glibcpp_signed_int_digits10
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#undef __glibcpp_signed_int_is_modulo
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#undef __glibcpp_signed_int_traps
|
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|
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template<>
|
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struct numeric_limits<unsigned int>
|
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|
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@ -1150,7 +1078,7 @@ namespace std
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static const bool is_bounded = true;
|
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static const bool is_modulo = true;
|
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|
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static const bool traps = __glibcpp_unsigned_int_traps;
|
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static const bool traps = __glibcpp_integral_traps;
|
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static const bool tinyness_before = false;
|
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static const float_round_style round_style = round_toward_zero;
|
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};
|
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|
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@ -1158,7 +1086,6 @@ namespace std
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#undef __glibcpp_unsigned_int_max
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#undef __glibcpp_unsigned_int_digits
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#undef __glibcpp_unsigned_int_digits10
|
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#undef __glibcpp_unsigned_int_traps
|
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|
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template<>
|
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struct numeric_limits<long>
|
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|
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@ -1203,9 +1130,9 @@ namespace std
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|
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static const bool is_iec559 = true;
|
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static const bool is_bounded = true;
|
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static const bool is_modulo = __glibcpp_signed_long_is_modulo;
|
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static const bool is_modulo = true;
|
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|
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static const bool traps = __glibcpp_signed_long_traps;
|
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static const bool traps = __glibcpp_integral_traps;
|
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static const bool tinyness_before = false;
|
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static const float_round_style round_style = round_toward_zero;
|
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};
|
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|
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@ -1214,8 +1141,6 @@ namespace std
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#undef __glibcpp_signed_long_max
|
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#undef __glibcpp_signed_long_digits
|
||||
#undef __glibcpp_signed_long_digits10
|
||||
#undef __glibcpp_signed_long_is_modulo
|
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#undef __glibcpp_signed_long_traps
|
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|
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template<>
|
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struct numeric_limits<unsigned long>
|
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|
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@ -1262,7 +1187,7 @@ namespace std
|
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static const bool is_bounded = true;
|
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static const bool is_modulo = true;
|
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|
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static const bool traps = __glibcpp_unsigned_long_traps;
|
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static const bool traps = __glibcpp_integral_traps;
|
||||
static const bool tinyness_before = false;
|
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static const float_round_style round_style = round_toward_zero;
|
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};
|
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|
|
@ -1270,7 +1195,6 @@ namespace std
|
|||
#undef __glibcpp_unsigned_long_max
|
||||
#undef __glibcpp_unsigned_long_digits
|
||||
#undef __glibcpp_unsigned_long_digits10
|
||||
#undef __glibcpp_unsigned_long_traps
|
||||
|
||||
template<>
|
||||
struct numeric_limits<long long>
|
||||
|
|
@ -1315,9 +1239,9 @@ namespace std
|
|||
|
||||
static const bool is_iec559 = true;
|
||||
static const bool is_bounded = true;
|
||||
static const bool is_modulo = __glibcpp_signed_long_long_is_modulo;
|
||||
static const bool is_modulo = true;
|
||||
|
||||
static const bool traps = __glibcpp_signed_long_long_traps;
|
||||
static const bool traps = __glibcpp_integral_traps;
|
||||
static const bool tinyness_before = false;
|
||||
static const float_round_style round_style = round_toward_zero;
|
||||
};
|
||||
|
|
@ -1326,8 +1250,6 @@ namespace std
|
|||
#undef __glibcpp_signed_long_long_max
|
||||
#undef __glibcpp_signed_long_long_digits
|
||||
#undef __glibcpp_signed_long_long_digits10
|
||||
#undef __glibcpp_signed_long_long_is_modulo
|
||||
#undef __glibcpp_signed_long_long_traps
|
||||
|
||||
template<>
|
||||
struct numeric_limits<unsigned long long>
|
||||
|
|
@ -1374,7 +1296,7 @@ namespace std
|
|||
static const bool is_bounded = true;
|
||||
static const bool is_modulo = true;
|
||||
|
||||
static const bool traps = true;
|
||||
static const bool traps = __glibcpp_integral_traps;
|
||||
static const bool tinyness_before = false;
|
||||
static const float_round_style round_style = round_toward_zero;
|
||||
};
|
||||
|
|
@ -1382,7 +1304,6 @@ namespace std
|
|||
#undef __glibcpp_unsigned_long_long_max
|
||||
#undef __glibcpp_unsigned_long_long_digits
|
||||
#undef __glibcpp_unsigned_long_long_digits10
|
||||
#undef __glibcpp_unsigned_long_long_traps
|
||||
|
||||
template<>
|
||||
struct numeric_limits<float>
|
||||
|
|
@ -1429,7 +1350,7 @@ namespace std
|
|||
{ return __FLT_DENORM_MIN__; }
|
||||
|
||||
static const bool is_iec559 = has_infinity && has_quiet_NaN;
|
||||
static const bool is_bounded = __glibcpp_float_is_bounded;
|
||||
static const bool is_bounded = true;
|
||||
static const bool is_modulo = __glibcpp_float_is_modulo;
|
||||
|
||||
static const bool traps = __glibcpp_float_traps;
|
||||
|
|
@ -1438,7 +1359,6 @@ namespace std
|
|||
};
|
||||
|
||||
#undef __glibcpp_float_has_denorm_loss
|
||||
#undef __glibcpp_float_is_bounded
|
||||
#undef __glibcpp_float_is_modulo
|
||||
#undef __glibcpp_float_traps
|
||||
#undef __glibcpp_float_tinyness_before
|
||||
|
|
@ -1488,7 +1408,7 @@ namespace std
|
|||
{ return __DBL_DENORM_MIN__; }
|
||||
|
||||
static const bool is_iec559 = has_infinity && has_quiet_NaN;
|
||||
static const bool is_bounded = __glibcpp_double_is_bounded;
|
||||
static const bool is_bounded = true;
|
||||
static const bool is_modulo = __glibcpp_double_is_modulo;
|
||||
|
||||
static const bool traps = __glibcpp_double_traps;
|
||||
|
|
@ -1497,7 +1417,6 @@ namespace std
|
|||
};
|
||||
|
||||
#undef __glibcpp_double_has_denorm_loss
|
||||
#undef __glibcpp_double_is_bounded
|
||||
#undef __glibcpp_double_is_modulo
|
||||
#undef __glibcpp_double_traps
|
||||
#undef __glibcpp_double_tinyness_before
|
||||
|
|
@ -1549,7 +1468,7 @@ namespace std
|
|||
{ return __LDBL_DENORM_MIN__; }
|
||||
|
||||
static const bool is_iec559 = has_infinity && has_quiet_NaN;
|
||||
static const bool is_bounded = __glibcpp_long_double_is_bounded;
|
||||
static const bool is_bounded = true;
|
||||
static const bool is_modulo = __glibcpp_long_double_is_modulo;
|
||||
|
||||
static const bool traps = __glibcpp_long_double_traps;
|
||||
|
|
@ -1558,7 +1477,6 @@ namespace std
|
|||
};
|
||||
|
||||
#undef __glibcpp_long_double_has_denorm_loss
|
||||
#undef __glibcpp_long_double_is_bounded
|
||||
#undef __glibcpp_long_double_is_modulo
|
||||
#undef __glibcpp_long_double_traps
|
||||
#undef __glibcpp_long_double_tinyness_before
|
||||
|
|
|
|||
Loading…
Reference in New Issue