New upstream version 2.0.1

.coveralls.yml

.github/workflows/test.yml

.travis.yml

Makefile

README.md

common.h

expected/ang2ipix.expected

expected/area.expected

expected/cone.expected

expected/errors.expected

expected/join.expected

expected/misc.expected

gen_data.c

my_bits.h

prepare.c

q3c.c

q3c.control

q3c_poly.c

q3cube.c

run_coverage.sh