build.sh

rm *.o myknn_wrap.cpp _myknn.so myknn.py
rm -rf __pycache__

g++ -O3 -march=native -fPIC -c myknn.cpp

# Invoke SWIG on the interface file 'knn.i' to produce C/C++ wrapper
# code ('knn_wrap.cpp'):

swig -python -c++ -o myknn_wrap.cpp myknn.i

# Next, compile the wrapper code:

g++ -O3 -march=native -w -fPIC -c $(pkg-config --cflags --libs python3) -I /home/kriti/anaconda3/lib/python3.7/site-packages/numpy/core/include myknn.cpp myknn_wrap.cpp

g++ -std=c++11 -O3 -march=native -shared myknn.o myknn_wrap.o -o _myknn.so -lm