FLT_MANT_BIT       27 maint/gnulib/lib/float+.h # define FLT_MANT_BIT FLT_MANT_DIG
FLT_MANT_BIT       31 maint/gnulib/lib/float+.h # define FLT_MANT_BIT (FLT_MANT_DIG * 2)
FLT_MANT_BIT       35 maint/gnulib/lib/float+.h # define FLT_MANT_BIT (FLT_MANT_DIG * 4)