FLT_MANT_BIT       30 gnulib-tests/float+.h # define FLT_MANT_BIT FLT_MANT_DIG
FLT_MANT_BIT       34 gnulib-tests/float+.h # define FLT_MANT_BIT (FLT_MANT_DIG * 2)
FLT_MANT_BIT       38 gnulib-tests/float+.h # define FLT_MANT_BIT (FLT_MANT_DIG * 4)