12.在声明C++对象变量的时候要小心 使用初始化而不是声明(assignment)一个(例如Color c(black)比Color c;c=black 要快); 13.默认的类构造函数(class constructer)尽可能轻 尤其是经常被操作的简单的常用的类(比如color,vector,point等)。 Particularly for simple,frequently used classes(eg., color,vector, p...
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3.1.1 The assignment operator 16 3.1.2 Arithmetic operators 17 3.1.3 Increment and decrement operators 19 3.1.4 Combined operators 21 3.2 Operator precedence（运算符优先级） 22 3.3 Type conversions and casts（类型转换与强制类型转换） 24 Programming pitfalls 26 Quick syntax reference ...
I need to optimize some for loops for speed (for a school assignment) without using compiler optimization flags. Given a specific Linux server (owned by the school), a satisfactory improvement is to make it run under 7 seconds, and a great improvement is to make it run under 5...
P0184R0 Generalized range-based for-loops VS 2017 15.0 14 P0188R1 [[fallthrough]] attribute VS 2017 15.0 17 P0001R1 Removing the register keyword VS 2017 15.3 17 P0002R1 Removing operator++ for bool VS 2017 15.3 17 P0018R3 Capturing *this by value VS 2017 15.3 17...
Assignment Operators and Expressions 2.11 Conditional Expressions 2.12 Precedence and Order of Evaluation Chapter 3. Control Flow 3.1 Statements and Blocks 3.2 If-Else 3.3 Else-If 3.4 Switch 3.5 Loops--While and For 3.6 Loops-Do-while 3.7 Break and Continue 3.8 Goto and LabelsChapter 4. ...
3.5 Assignment Operators 57 3.6 Increment and Decrement Operators 59 3.7 Conditional Operator 61 3.8 Bitwise Operators 61 3.9 Special Operators 61 3.10 Arithmetic Expressions 63 3.11 Evaluation of Expressions 64 3.12 Precedence of Arithmetic Operators 65 3.13 Some Computational Problems 67 3...
解决:A.牢记任何反馈回路必须包含寄存器;B.检查综合、实现报告的warning信息,发现反馈回路(combinaTIonal loops)后进行相应修改。 (2)替换延迟链。 解决:用倍频、分频或者同步计数器完成。 (3)替换异步脉冲产生单元(毛刺生成器)。 解决:用同步时序设计脉冲电路。