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 Post subject: Compile Demo.cpp
PostPosted: Wed Jan 18, 2017 4:32 am 
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Joined: Tue Jan 17, 2017 11:16 pm
Posts: 10
Hi,

I am very new to c++ and Alglib. After extracting alglib-3.10.0.cpp.gpl and trying to run demo.cpp in the Eclipse Helios environment, I come across the following errors:

**** Build of configuration Debug for project alglib ****

**** Internal Builder is used for build ****
g++ -oalglib.exe demo.o
demo.o: In function `main':
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:19: undefined reference to `alglib::ae_matrix_wrapper::setlength(long long, long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:20: undefined reference to `alglib::ae_matrix_wrapper::setlength(long long, long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:21: undefined reference to `alglib::ae_matrix_wrapper::setlength(long long, long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:25: undefined reference to `alglib::real_2d_array::operator[](long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:25: undefined reference to `alglib::randomreal()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:26: undefined reference to `alglib::real_2d_array::operator[](long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:26: undefined reference to `alglib::randomreal()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:27: undefined reference to `alglib::real_2d_array::operator[](long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:32: undefined reference to `alglib::setnworkers(long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:45: undefined reference to `alglib::smp_rmatrixgemm(long long, long long, long long, double, alglib::real_2d_array const&, long long, long long, long long, alglib::real_2d_array const&, long long, long long, long long, double, alglib::real_2d_array const&, long long, long long)'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::~real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::~real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:51: undefined reference to `alglib::real_2d_array::~real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::~real_2d_array()'
C:\Users\van\workspace\alglib\Debug/../demo.cpp:13: undefined reference to `alglib::real_2d_array::~real_2d_array()'
demo.o:C:\Users\van\workspace\alglib\Debug/../demo.cpp:51: more undefined references to `alglib::real_2d_array::~real_2d_array()' follow
collect2.exe: error: ld returned 1 exit status
Build error occurred, build is stopped
Time consumed: 245 ms.

Can anyone please help ? Many thanks,
Van


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 Post subject: Re: Compile Demo.cpp
PostPosted: Sat Jan 21, 2017 7:45 am 
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Joined: Tue Jan 17, 2017 11:16 pm
Posts: 10
I solved it. I need to include all the cpp files in the interpolation.h


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