std::exp,std::expf,std::expl 在标头<cmath>定义 (1) floatexp(floatnum); doubleexp(doublenum); longdoubleexp(longdoublenum); (C++23 前) /* 浮点数类型 */ exp(/* 浮点数类型 */num); (C++23 起) (C++26 起 constexpr) floatexpf(floatnum); ...
long double expm1l( long double num ); (3) (C++11 起) (C++26 起为 constexpr) SIMD 重载 (C++26 起) 在标头 <simd> 定义 template< /*math-floating-point*/ V > constexpr /*deduced-simd-t*/<V> expm1 ( const V& v_num ); (S) (C++26 起) 额外重载 (C++11 起) 在...
std::exp,std::expf,std::expl C++ Numerics library Common mathematical functions Defined in header<cmath> (1) floatexp(floatnum); doubleexp(doublenum); longdoubleexp(longdoublenum); (until C++23) /*floating-point-type*/ exp(/*floating-point-type*/num); ...
std::expint,std::expintf,std::expintl From cppreference.com <cpp |numeric |special functions Defined in header<cmath> (1) floatexpint(floatnum); doubleexpint(doublenum); longdoubleexpint(longdoublenum); (since C++17) (until C++23) ...
std::erase(x,tmp); } 但是既然都来写Cpp了,我们还可以追求点“洁癖”,我们很多时候并不希望有多余的拷贝,这时候右值就派上了用场。 voidmy_erase(auto&x){ usingT=std::decay_t<decltype(x.front())>; std::erase(x,T{x.front()});
Exp1 : Exp2; └───── False ─────┘ int x = 3, y = 5, max; max = (x > y) ? x : y; // 输出: 5 std::cout << max << std::endl;int x = 3, y = 5, max; if (x > y) { max = x; } else { max = y; } // 输出: 5 std::cout << max <<...
Exp1 : Exp2; └───── False ─────┘ int x = 3, y = 5, max; max = (x > y) ? x : y; // 输出: 5 std::cout << max << std::endl; int x = 3, y = 5, max; if (x > y) { max = x; } else { max = y; } // 输出: 5 std::cout << max <<...
doublelog1p(Integral arg); (dal C++11) Calcola la naturale (basee) logaritmo1+arg. Questa funzione è più preciso l'espressionestd::log(1+arg)argse è vicino a zero. Original: Computes the natural (basee) logarithm of1+arg. This function is more precise than the expressionstd::log(1...
(NAME, EXP) \ 75 jstring NAME = env->NewStringUTF(EXP); \ 76 if ((NAME) == NULL) return NULL; 77 78namespace { 79 80jfieldID int32RefValueFid; 81jfieldID int64RefValueFid; 82 83} // namespace 84 85struct addrinfo_deleter { 86 void operator()(addrinfo* p) const { 87 if (...
float fixup = 1e38; error_handler<float> handler = vm::create_error_handler (st, 1, status::overflow, fixup); vm::exp(exec_queue, 1000, a, r, handler); if ( st & status::underflow) { std::cout << ”Underflow status returned” << std::endl; } Mixed (Sing...