template< class T > constexpr bool is_floating_point_v = is_floating_point<T>::value; (C++17 起) 继承自 std::integral_constant 成员常量 value [静态] 如果T 为(可能 cv 限定的)浮点数类型那么是 true,否则是 false (公开静态成员常量) 成员函数 operator bool 将对象转换到 bool,返回 ...
( std::is_floating_point<const double>::value ); # undef REF } { # define REF(x) << #x " ?: " << x << '\n' std::cout << std::boolalpha REF( std::is_floating_point_v<int> ) REF( std::is_floating_point_v<float> ) REF( std::is_floating_point_v<const double> )...
std::is_void std::is_null_pointer std::is_array std::is_pointer std::is_enum std::is_union std::is_class std::is_function std::is_object std::is_scalar std::is_compound std::is_floating_point std::is_fundamental std::is_arithmetic std::is_reference std::is_lvalue_reference std...
std::chrono::treat_as_floating_point 特征帮助确定时长是否能转换成拥有另一种不同计次周期的时长。 两个时长间的隐式转换通常依赖于时长的计次周期。然而若 std::chrono::treat_as_floating_point<Rep>::value 为Template:true 则不管计次周期如何,均可发生隐式转换。
IEEE STANDARDS ASSOCIATION IEEE Standard for Floating-Point Arithmetic I EEE Computer Society Developed by the Microprocessor Standards Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA .IEEE IEEE Std 754 lM -2019 Authorized licensed use limited to: Shanghai Jiaotong University. Downloaded on...
内容提示: IEEE Std 754™-2008IEEE Std 754-1985)(Revision of IEEE Standard for Floating-Point ArithmeticIEEE3 Park Avenue New York, NY 10016-5997, USA29 August 2008IEEE Computer SocietySponsored by theMicroprocessor Standards Committee754TM 文档格式:PDF | 页数:70 | 浏览次数:87 | 上传日期:...
c++c++17floating-point-conversion 19 根据https://en.cppreference.com/w/cpp/compiler_support/17,目前尚无主要供应商支持浮点版本的std::to_chars和std::from_chars。我理解正确地格式化浮点数是非常复杂的,但是C库中存在实现。然而,这些实现受环境影响,这也是将std::to_chars和std::from_chars添加到标准中...
IEEEStd802.3by-2016.pdf Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method and physical layer specifications 上传者:weixin_40000783时间:2020-08-25 IEEEStd802.15.3-2016.pdf IEEE 802.15.3-2016,IEEE Standard for High Data Rate Wireless Multi-Media Networks;替代802.15.3-20...
IEEE Std 754™-2008 (Revision of IEEE Std 754-1985), IEEE Standard for Floating-Point Arithmetic
Code generation for std::intrinsics::simd::simd_reduce_add_unordered generates an extra floating-point add that adds +0.0 to the result: https://godbolt.org/z/Y496nxv3E use std::simd::*; unsafe fn reduce_add_unordered(v: f32x4) -> f32 { ...