The C standard doesn't precisely define which type of right shift should be used. For unsigned data, right shift must be logical. For signed data, almost all machine\compiler use arithmetic. 1<<2+3<<4 = (1<<(2+3))<<4…

转自http://coolshell.cn/articles/3512.html 在http://www.viva64.com/en/l/上例出了28个在64位平台上使用C/C++开发的注意事项,对于进入64位时代的程序员应该去看看这28个事项, 相信对大家一点有帮助. Lesson 01. What 64-bit systems are. Lesson 02. Support of 32-bit applications. Lesson 03. Porting code to 64-bit s…

SIMD相关头文件包括: //#include <ivec.h>//MMX //#include <fvec.h>//SSE(also include ivec.h) //#include <dvec.h>//SSE2(also include fvec.h) #include <mmintrin.h> //MMX #include <xmmintrin.h> //SSE(include mmintrin.h) #include <emmi…

Technorati Tags: 计算机科学基础,读书笔记 Chapter 1. Introduction Ø  计算机:黑盒,Output Data=f(Input Data, Program) Ø  Von Neumann模型:内存(Memory).算术逻辑单元(Arithmetic Logic Unit).控制单元(Control Unit).输入/输出(Input/Output) CPU=Arithmetic Logic Unit + Control Unit Ø  程序(Program…

Go 1.11 Release Notes Introduction to Go 1.11 Changes to the language Ports WebAssembly RISC-V GOARCH values reserved Tools Modules, package versioning, and dependency management Import path restriction Package loading Build cache requirement Compile…

http://www.barrgroup.com/Embedded-Systems/How-To/Additive-Checksums CRC Series, Part 1: Additive Checksums Sat, 2007-12-01 23:21 - webmaster by Michael Barr Whenever you connect two or more computers together with the intent of exchanging information…

在http://www.viva64.com/en/l/上例出了28个在64位平台上使用C/C++开发的注意事项,对于进入64位时代的程序员应该去看看这28个事项,这些英文读物对于有C/C++功底的朋友读起来应该并不难,我估计大约20-30分钟可以精读完一篇(或者更快),下面是这28个注意事项的列表.相信对大家一点有帮助. Lesson 01. What 64-bit systems are. Lesson 02. Support of 32-bit applications. Lesson 0…

The Go Programming Language Specification go语言规范 Version of May 9, 2018 Introduction 介绍 Notation 符号 Source code representation 源代码表示形式 Characters 字符 Letters and digits 字母和数字 Lexical elements 词法元素 Comments 评论 Tokens 令 牌 Semicolons 分号 Identifiers 标识符 K…

-------------------------------------------------------------------------------------------------- Author: YuManZI 2014/06/23  1.1-3.5 2014/06/24  3.6-3.8 2014/06/27  4.1 2014/06/28  4.2-4.5 -----------------------------------------------------------…

BACKGROUND The present invention relates to video processing systems. Advances in imaging technology have led to high resolution cameras for personal use as well as professional use. Personal uses include digital cameras and camcorders that can captu…