introduce parameter for fftw_plan_rigor

bfps/DNS.py

bfps/PP.py

bfps/TEST.py

bfps/cpp/fftw_interface.hpp

bfps/cpp/fftw_tools.cpp

bfps/cpp/fftw_tools.hpp

bfps/cpp/full_code/NSVE.cpp

bfps/cpp/full_code/NSVE.hpp

bfps/cpp/full_code/NSVE_field_stats.cpp

bfps/cpp/full_code/NSVE_field_stats.hpp

bfps/cpp/full_code/field_output_test.cpp

bfps/cpp/full_code/field_test.cpp

bfps/cpp/full_code/filter_test.cpp

bfps/cpp/full_code/joint_acc_vel_stats.cpp

bfps/cpp/full_code/native_binary_to_hdf5.cpp

bfps/cpp/full_code/symmetrize_test.cpp

bfps/cpp/full_code/symmetrize_test.hpp

bfps/cpp/full_code/test_interpolation.cpp

bfps/cpp/hdf5_tools.cpp

setup.py