LOG2_BY_256_LO_PART  118 maint/gnulib/lib/expl.c     long double y = y_tmp - nm * LOG2_BY_256_LO_PART;
LOG2_BY_256_LO_PART  118 maint/gnulib/lib/expm1.c     double y = y_tmp - nm * LOG2_BY_256_LO_PART;
LOG2_BY_256_LO_PART  128 maint/gnulib/lib/expm1l.c     long double y = y_tmp - nm * LOG2_BY_256_LO_PART;