CEC13 Linux C++

Question

RUAN YY 2020-9-23

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/598798-cec13-linux-c

评论： RUAN YY 2020-9-24

采纳的回答： Walter Roberson

在 MATLAB Online 中打开

Hey guys! I am new to Linux and currently I am working on evolutionary computation which involves CEC13 benchmark.

I found on the CEC13 website that

For Linux Users:
Please change %xx in fscanf and fprintf and do not use "WINDOWS.H".

But fscanf and fprintf seem to follow the same syntax in Linux C++, what does it refer to ? What should I modify?

The related code is as follows.

#include <WINDOWS.H>      
#include <stdio.h>
#include <math.h>
#include <malloc.h>
#include <mex.h>
.....
if (fpt==NULL)
		{
			printf("\n Error: Cannot open input file for reading \n");
		}
.......
for (i=0; i<cf_num*nx*nx; i++)
		{
				fscanf(fpt,"%Lf",&M[i]);
		}
....

Would you please give me some help about how to modify the code? Many thanks!

BTW, if nothing changes, the output is incorrect although it can be complied.

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Answer 1

Walter Roberson 2020-9-24

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/598798-cec13-linux-c#answer_499384

For Visual Studio, %Lf stands for "long double" .

https://stackoverflow.com/questions/7822928/scanf-not-taking-in-long-double

long double in Windows is the same as double. long double in gcc is a larger floating point number. This can lead to incompatibilities.

You should probably be using %lf for double instead of long double: it will not make any difference for Visual Studios and it will prevent problems for other compilers.

MATLAB does not support long double.