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Keywords to use for test directory (automated sets of tests) :

tests_min      Minimal set of tests (fast, seq, and vX with X=1..6)
tests_min4     Minimal set of tests, 4 threads at once

tests_acc      Test accuracy 
                 (=tests_min+tutorial/tutorespfn+
                        bigdft/etsf_io/fox/libxc/netcdf/wannier90)
tests_acc4     Test accuracy, running 4 threads at once

tests_bench    Test accuracy+cpu for benchmarks (with a report)
tests_speed    Test cpu for benchmarks (quick, with a report)

The description of more detailed testing possibilities can be obtained from
'make help_dev' or 'make dev'. In particular, note the following actions :

(1) to test abinit on many different specific platforms :
tests_paral

(2) to test only the features as atompaw, bigdft, gw, paw, or tddft :
tests_atompaw
tests_bigdft
tests_eph      (electron-phonon tests)
tests_gw       (all seq GW tests, except tutorial#gw_1 and gw_9, too long)
tests_paw
tests_tddft

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