Fix problem when mex .cpp file

2013 10 16
5 个回答
回答已采纳
更新时间：2020 8 16
15 次查看（30 天）

0 个投票

Hi all, I have problem when compile mex file.
>> mex GCoptimization.cpp
GCoptimization.cpp
c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\intrin.h(26) : fatal error C1083: Cannot open include file: 'ammintrin.h': No such file or directory
C:\PROGRA~1\MATLAB\R2012B\BIN\MEX.PL: Error: Compile of 'GCoptimization.cpp' failed.
Error using mex (line 206) Unable to complete successfully." What is wrong? I have copy all cpp and .h "C:\Users\nambnh\Documents\MATLAB".
[EDITED, code formatted to clarify the line breaks]

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 采纳的回答

Friedrich
Friedrich 2013-10-17

20 个投票

Hi,
this is Microsoft Bug see here.
Since I am such a cool guy I attached the header ammintrin.h file which needs to be placed in "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\". Please rename it from ammintrin.m to ammintrin.h because one cannot upload .h files.
I hope that helps.

15 个评论
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iup geii amiens
iup geii amiens 2014-8-13
Thanks man!!!Very Good Job!!!
gail
gail 2014-12-29
thank you!!!!!!
Gauraang Khurana
Gauraang Khurana 2016-1-1
I dont have that file. Have checked properly. Please help.
VIJENDRA
VIJENDRA 2016-1-11
you are awesome...!!
ANIMA V A
ANIMA V A 2016-1-12
i don't have that file,how can i fix it
Walter Roberson
Walter Roberson 2016-1-12
Above, between Friedrich's Answer and the start of the Comments there is "ammintrin.m". That is a link. You can use your browser to save the content of the link to a file.
If I try to copy paste the file into the folder it doesn't let you do that in Windows 7..The whole directory crashes.
Walter Roberson
Walter Roberson 2016-8-3
Could you explain more what it means for a directory to crash?
Grey Kuling
Grey Kuling 2017-2-22
Thank you so much! This was extremely helpful!
Thanks a lot. Its really cool fix
Vasundhara Jain
Vasundhara Jain 2017-5-16
Thank you so much!
Sreeraj a
Sreeraj a 2017-6-21
Thanks !!! That was really Cool
Arunraj anil
Arunraj anil 2018-5-21

Wonderful job man, You save my Day. Sooper Cool.

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更多回答（4 个）

James Tursa
James Tursa 2013-10-16

0 个投票

Looks like you have spaces in your paths. Rather than passing these arguments to the mex function via the command line "string" approach, try using the function call syntax instead so you can explicitly separate arguments even if they have spaces. And don't put your header .h files in the argument list ... they should already be included in your source code. Also I am not sure why you apparently list the same source file twice.

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Jan
Jan 2013-10-16
@James: After formatting the question, it gets clear, that the source file was not listed twice. Formatting is such useful that I cannot understand, why so many newcomers do not use the power or at least ask how to use it. Is it not usual to read a question after one has posted it?

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Shubham Pachori
Shubham Pachori 2017-6-29
编辑：Walter Roberson 2017-6-29

0 个投票

Error using mex
gco_matlab.cpp
C:\Users\**\gco-v3.0\matlab\gco_matlab.cpp(8)
: error C2371: 'mwSize' : redefinition; different basic types
c:\program files\matlab\r2016a\extern\include\tmwtypes.h(795) : see
declaration of 'mwSize'
C:\Users\**\gco-v3.0\matlab\gco_matlab.cpp(9)
: error C2371: 'mwIndex' : redefinition; different basic types
c:\program files\matlab\r2016a\extern\include\tmwtypes.h(796) : see
declaration of 'mwIndex'
Error in GCO_BuildLib (line 68)
eval(mexcmd); % compile and link in one step
Error in GCO_UnitTest (line 48)
GCO_BuildLib; disp('BuildLib PASSED');
Hi I am unable to compile gco library in MATLAB2016a in windows. Could someone please help and explain me to get rid of this error?

2 个评论
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Walter Roberson
Walter Roberson 2017-6-29
Looking at those messages, it appears to me that on line 8 of gco_matlab.cpp that it attempts to define mwSize and on line it attempts to define mwIndex, but that those are already defined by the tmwtypes.h header file. If I am correct, then comment out the typedef at lines 8 and 9 of gco_matlab.cpp
khadija portu
khadija portu 2020-8-16
IT IS NOT CLEAR COULD YOU PROVIDE FOR US MORE INFORMATION

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