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c++ Programming Glossary: b_hWhy aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol A_H #define A_H #include b.h ... #endif A_H b.h #ifndef B_H #define B_H #include a.h ... #endif B_H main.cpp I am getting.. A_H #include b.h ... #endif A_H b.h #ifndef B_H #define B_H #include a.h ... #endif B_H main.cpp I am getting errors.. A_H b.h #ifndef B_H #define B_H #include a.h ... #endif B_H main.cpp I am getting errors when compiling this... #include..
http://stackoverflow.com/questions/8020113/c-include-guards #ifndef A_H #define A_H class A int a #endif b.h #ifndef B_H #define B_H #include a.h class B int b #endif So now let's look.. #define A_H class A int a #endif b.h #ifndef B_H #define B_H #include a.h class B int b #endif So now let's look at how #include.. #define A_H class A int a #endif From #include b.h #ifndef B_H #define B_H #ifndef A_H From #define A_H #include a.h class..
Unresolved external symbols in beginners CUDA program http://stackoverflow.com/questions/2061715/unresolved-external-symbols-in-beginners-cuda-program #include assert.h #include cuda.h int main void float a_h b_h pointers to host memory float a_d b_d pointers to device memory.. i allocate arrays on host a_h float malloc sizeof float N b_h float malloc sizeof float N allocate arrays on device cudaMalloc.. float N initialize host data for i 0 i N i a_h i 10.f i b_h i 0.f send data from host to device a_h to a_d cudaMemcpy a_d..
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