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This project forked from parallel101/course

高性能并行编程与优化 - 课件

Home Page: https://space.bilibili.com/263032155

License: Other

C++ 69.40% Shell 0.26% Makefile 0.01% CMake 2.79% C 19.32% HTML 0.10% Python 1.97% Less 2.37% Starlark 0.08% Cuda 3.63% Batchfile 0.01% Java 0.01% Vim Script 0.07%

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Assembly

指针的索引，尽量用 size_t

lambda -> 后置返回值，闭包

course/03/4_lambda/05/main.cpp

Line 10 in 3940bba

auto twice = [] (int n) -> int {

模板函数定义

course/03/1_template/02/main.cpp

Lines 1 to 12 in 3940bba

 #include <iostream> 

 template <class T> 

 T twice(T t) { 

 return t * 2; 

 } 

 int main() { 

 std::cout << twice<int>(21) << std::endl; 

 std::cout << twice<float>(3.14f) << std::endl; 

 std::cout << twice<double>(2.718) << std::endl; 

 }

template <class T> 中的 class 可以是 typename，看个人喜好

Tuple 结构化绑定 structure binding

course/03/5_containers/03/main.cpp

Lines 5 to 7 in 3940bba

 auto tup = std::tuple(3, 3.14f, 'h'); 

 auto [first, second, third] = tup;

constexpr

course/03/2_constexpr/03/main.cpp

Lines 14 to 22 in 3940bba

 constexpr bool isnegative(int n) { 

 return n < 0; 

 } 

 int main() { 

 constexpr bool debug = isnegative(-2014); 

 std::cout << sumto<debug>(4) << std::endl; 

 return 0; 

 }

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	#include <iostream>

	template <class T>
	T twice(T t) {
	return t * 2;
	}

	int main() {
	std::cout << twice<int>(21) << std::endl;
	std::cout << twice<float>(3.14f) << std::endl;
	std::cout << twice<double>(2.718) << std::endl;
	}

	auto tup = std::tuple(3, 3.14f, 'h');

	auto [first, second, third] = tup;

	constexpr bool isnegative(int n) {
	return n < 0;
	}

	int main() {
	constexpr bool debug = isnegative(-2014);
	std::cout << sumto<debug>(4) << std::endl;
	return 0;
	}