LDBL_DIG           40 gnulib-tests/float.in.h # undef LDBL_DIG
LDBL_DIG           41 gnulib-tests/float.in.h # define LDBL_DIG        18
LDBL_DIG           73 gnulib-tests/float.in.h # undef LDBL_DIG
LDBL_DIG           74 gnulib-tests/float.in.h # define LDBL_DIG        18