DBL_DIG          2060 ext/bigdecimal/bigdecimal.c #define DBLE_FIG (DBL_DIG+1)    /* figure of double */
DBL_DIG           343 marshal.c      #ifdef DBL_DIG
DBL_DIG           344 marshal.c      #define FLOAT_DIG (DBL_DIG+2)
DBL_DIG            55 numeric.c      #ifndef DBL_DIG
DBL_DIG          3215 numeric.c          rb_define_const(rb_cFloat, "DIG", INT2FIX(DBL_DIG));
DBL_DIG          2160 object.c       	char buf[DBL_DIG * 4 + 10];
DBL_DIG          2159 util.c                             else if (nd <= DBL_DIG + 1)
DBL_DIG          2163 util.c                         else if (nd <= DBL_DIG + 1)
DBL_DIG          2251 util.c             k = nd < DBL_DIG + 1 ? nd : DBL_DIG + 1;
DBL_DIG          2255 util.c                 if (k > DBL_DIG)
DBL_DIG          2261 util.c             if (nd <= DBL_DIG
DBL_DIG          2286 util.c                     i = DBL_DIG - nd;
DBL_DIG          2336 util.c             if (k <= DBL_DIG)