WebC++20 在命名空间 std::ranges 中提供大多数算法的 有制约 版本,能以 迭代器 - 哨位 对或单个 range 参数指定范围,并且支持投影和指向成员指针可调用对象。 另外更改了大多数算法的返回类型,以返回算法执行过程中计算的所有潜在有用信息。 std::vector v = {7, 1, 4, 0, -1}; std ::ranges::sort( v); // 有制约算法 (C++20 起) WebNov 20, 2024 · exclusive_scan C++17 transform_inclusive_scan The operation ⊕ must be associative and the projection f must not have side effects / be stateful, because the order in which they are applied is not guaranteed. cppreference
c++ - Using cuda thrust with arrays instead vectors to inclusive_scan …
WebMar 18, 2015 · In C++14, you can replace std::multiplies with std::multiplies<>, whose operator() is templated and will figure out the type. Based on what I've seen with … WebApr 26, 2024 · Scan (also known as inclusive/exclusive scan, prefix sum, or cumulative sum) is a common operation in many application domains. 1 As such, it is defined as a standard library function in C++, the OpenMP* runtime, and the Python* NumPy package. 2,3 A scan of a vector is another vector where the result at index i is obtained by summing all the … camp ross relies nevada city ca
c++ - What
WebApr 6, 2024 · Computes an inclusive prefix sum operation using binary_op (or std::plus<>() for overloads (1-2)) for the range [first, last), using init as the initial value (if provided), and … WebMar 19, 2015 · Another way is using inclusive_scan (C++17 and above) The advantage is you can get multiplies of first "N" elements in a vector. Below is the code. Explanation in comments. WebJul 24, 2015 · You can do the inclusive scan as well as the scatter step in place without an additional result vector. The following example directly uses the data from a raw device pointer without thrust::device_vector. After the inclusive scan, the previously 0 … fisch sucht fahrrad party berlin