如何使用MATLAB提供的BLAS库？
我注意到 MATLAB 提供了 BLAS 和 LAPACK 标头等：
$ ls ${MATLAB_DIR}/extern/include/
blas.h engine.h lapack.h mat.h mclmcr.h mex.h mwutil.h
blascompat32.h fintrf.h libmatlbm.mlib matrix.h mclmcrrt.h mwdebug.h tmwtypes.h
emlrt.h io64.h libmatlbmx.mlib mclcppclass.h mcr.h mwservices.h
我想将它们用于我编译的代码，因此我尝试使用以下
编译以下内容： ex_blas.c
#include <blas.h>
int main()
{
return 0;
}
命令
$ mex ex_blas.c
：但是这个返回错误：
In file included from ex_blas.c:1:
/Applications/MATLAB_R2009b.app/extern/include/blas.h:51: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:62: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:77: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:92: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:103: error: syntax error before ‘ptrdiff_t’
/Applications/MATLAB_R2009b.app/extern/include/blas.h:122: error: syntax error before ‘ptrdiff_t’
MATLAB 提供的 blas.h 是否可由 MATLAB 外部的第 3 方应用程序使用？如果是的话，是什么原因导致上述错误呢？
I have noticed that MATLAB provides the BLAS and LAPACK headers among others:
$ ls ${MATLAB_DIR}/extern/include/
blas.h engine.h lapack.h mat.h mclmcr.h mex.h mwutil.h
blascompat32.h fintrf.h libmatlbm.mlib matrix.h mclmcrrt.h mwdebug.h tmwtypes.h
emlrt.h io64.h libmatlbmx.mlib mclcppclass.h mcr.h mwservices.h
I would like to use them for my compiled code, so I tried to compile the following:
ex_blas.c
#include <blas.h>
int main()
{
return 0;
}
with the following command:
$ mex ex_blas.c
But this returns an error:
In file included from ex_blas.c:1:
/Applications/MATLAB_R2009b.app/extern/include/blas.h:51: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:62: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:77: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:92: error: syntax error before ‘*’ token
/Applications/MATLAB_R2009b.app/extern/include/blas.h:103: error: syntax error before ‘ptrdiff_t’
/Applications/MATLAB_R2009b.app/extern/include/blas.h:122: error: syntax error before ‘ptrdiff_t’
Is the blas.h provided by MATLAB usable by a 3rd party application outside of MATLAB? If yes, what is causing the error above?
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我不确定它是否能完全解决您的问题，但您可能还必须包含 < code>stddef.h 因为这是定义
ptrdiff_t类型的地方。I'm not sure if it will completely resolve your problems, but you may also have to include
stddef.hsince that is where theptrdiff_ttype is defined.