diff options
Diffstat (limited to 'libstdc++-v3/include/bits/limits_generic.h')
| -rw-r--r-- | libstdc++-v3/include/bits/limits_generic.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/limits_generic.h b/libstdc++-v3/include/bits/limits_generic.h index 8ad003340b0..42cae71a770 100644 --- a/libstdc++-v3/include/bits/limits_generic.h +++ b/libstdc++-v3/include/bits/limits_generic.h @@ -35,6 +35,11 @@ // 18.2.1 // +/** @file limits_generic.h + * ISO 14882:1998 + * 18.2.1 + */ + #ifndef _CPP_NUMERIC_LIMITS #define _CPP_NUMERIC_LIMITS 1 @@ -49,6 +54,7 @@ namespace std { + /// Rounding style determines the behavior of floating-point calculations. enum float_round_style { round_indeterminate = -1, round_toward_zero = 0, @@ -57,12 +63,20 @@ namespace std { round_toward_neg_infinity = 3 }; + /// This enum signals whether a type has denormalization. enum float_denorm_style { denorm_indeterminate = -1, denorm_absent = 0, denorm_present = 1 }; + /** + * [18.2.1]/1: "The numeric_limits component provides a C++ program + * with information about various properties of the implementation's + * representation of the fundamental types." All of the standard + * fundamental types have specializations of this class template. + * @brief Properties of fundamental types on a per-platform basis. + */ template<typename _T> struct numeric_limits { static const bool is_specialized = false; |
