all: poly abs poly: clang++ -std=c++17 -Wno-mathematical-notation-identifier-extension -O3 -march=native -mtune=native -fopenmp fits.cpp -o fits abs: clang++ -std=c++17 -Wno-mathematical-notation-identifier-extension -O3 -march=native -mtune=native -fopenmp -DFITS_ABS_BASIS fits.cpp -o fits_abs