Network Security Internet Technology Development Database Servers Mobile Phone Android Software Apple Software Computer Software News IT Information

In addition to Weibo, there is also WeChat

Please pay attention

WeChat public account

Shulou

How C++ moves calculations from run time to compile time

2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

Share

Shulou(Shulou.com)06/01 Report--

This article introduces the knowledge of "how C++ moves computing from runtime to compile time". Many people will encounter this dilemma in the operation of actual cases. next, let the editor lead you to learn how to deal with these situations! I hope you can read it carefully and be able to achieve something!

Per.11: move calculations from run time to compile time

Reason (reason)

To reduce code size and execution time. Avoid data competition through constants. To catch errors at compile time (while eliminating error handling code)

Example (sample)

Double square (double d) {return dumped;}

Static double S2 = square (2); / / old-style: dynamic initialization

Constexpr double ntimes (double d, int n) / / assume 0

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.

Views: 0

*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.

Share To

Internet Technology

Wechat

© 2024 shulou.com SLNews company. All rights reserved.

12
Report