Merge branch 'check_blas3' into 'master'

testing/input/trmm.in

testing/testing_zcheck.c

testing/testing_zcheck.h

testing/testing_zhemm.c

testing/testing_zher2k.c

testing/testing_zherk.c

testing/testing_zlange.c

testing/testing_zlanhe.c

testing/testing_zlansy.c

testing/testing_zlantr.c

testing/testing_zsymm.c

testing/testing_zsyr2k.c

testing/testing_zsyrk.c

testing/testing_ztrmm.c

testing/testing_ztrsm.c