Did you link to the library? If you didn't you would get this error.
g++ -I... prog.cpp -lgsl -lgslcblas
You can also use the program gsl-config, something like
g++ `gsl-config --cflags --libs` prog.cpp -o prog
#include
#include
int main(){
double x;
x=gsl_pow_2(4);
std::cout << x << std::endl;
}
I ran an example using GSL. I added the path after -I when I compiled
it. I kept getting error. The error message was: undefined reference
to 'gsl_pow_2.
I could use those constants like M_LOG2E though.
Am I missing anything? Thanks!
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