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一道程序编译顺序的考题,涉及到函数调用的先后顺序及运算符号的优先级等问题。下面我展开给你讲。
C的程序编译总是从main函数开始的,这道题的重点在“fun((int)fun(a+c,b),a-c)) ”语句。
系统首先要确定最外层 fun()函数的实参,第一个参数的确定需要递归调用fun()函数(不妨称其为内层函数)。内层函数的两个参数分别为x=a+b=2+8=10、y=b=5,执行函数体x+y=10+5=15,于是得外层函数的参数x=15。其另一个参数y=a-c=2-b=-6,再次执行函数体,得最终返回值x+y=15+(-6)=9。 (Compiling together the sequence of test procedures, involving the sequence of function calls and operator symbols, such as the priority problem. Now I give you to start speaking. Procedures for C compiler always start from the main function and at这道题the focus of " fun ((int) fun (a+ c, b), ac)) " statement. System must first determine the most outer layer of fun () function of real parameters, the first parameters of recursive calls required fun () function (may be called the inner function). Inner function separately for the two parameters x = a+ b = 2+8 = 10, y = b = 5, to execute the function body x+ y = 10+5 = 15, then the outer function parameters were x = 15 . Its another parameter y = ac = 2-b =- 6, once again to execute the function body may eventually return the value of x+ y = 15+ (-6) = 9.)
- 2009-03-15 15:36:23下载
- 积分:1
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ZSI_with_filter
IMPEDANCE SOURCE INVERTER WITH FILTER TO REDUCE THE THD WITHIN THE STANDARDS
- 2010-09-26 22:57:54下载
- 积分:1
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MPC
模型预测控制算法MATLAB的编程.m文件。具有抗干扰能力,算法优异。(Model predictive control algorithm based on MATLAB programming. M file. With anti-jamming capability, the algorithm is excellent.)
- 2014-02-16 11:36:10下载
- 积分:1
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调频连续波雷达信号仿真 rayleigh
说明: 调频连续波雷达信号仿真,以及信号处理过程仿真,适合初学者以及急需FMCW信号仿真的用户(FMCW radar signal simulation, as well as signal processing simulation, take triangle wave modulation as an example, code writing is standard, code annotation is excellent. Suitable for beginners and users in urgent need of FMCW signal simulation)
- 2019-11-24 15:11:47下载
- 积分:1
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reconstruction-of-state-space
说明: 混沌系统的相空间重构,可用于分析庞加莱截面(reconstruction of state space)
- 2011-04-02 14:44:29下载
- 积分:1
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monituihuo
说明: 这个是matlab应用广泛的一个智能化程序,模拟退火算法在数学建模和工业控制中经常用到。(This is an intelligent matlab widely used procedure, simulated annealing algorithm in mathematical modeling and is often used in industrial control.)
- 2010-04-22 10:36:20下载
- 积分:1
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matlabhanshu2007
说明: matlab函数大全,2007,挺有用的(matlab function Daquan, 2007, winter ridge with)
- 2010-04-23 08:41:41下载
- 积分:1
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MATLAB_Code
在matlab里面,构造三次样条插值函数s(x)来模拟一只飞鸟外形的上部,根据已知的测试数据。(In matlab inside, construct cubic spline interpolation function s (x) to simulate the shape of the upper part of a bird, according to the known test data.)
- 2021-04-15 14:18:54下载
- 积分:1
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HHT-in-electric-power-system
hht在电力系统中的应用文档,很好的参考资料!感觉比较有参考价值。(the hht power system, good reference!)
- 2012-11-26 16:20:20下载
- 积分:1
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mimosimulatormatlab
说明: 一个多输入多输出(mimo)系统的仿真matlab程序,希望对大家有所帮助(a multi-input multi-output (MIMO) systems Matlab simulation procedures, we hope to help)
- 2006-04-24 10:06:55下载
- 积分:1