message: undid change to format-inl.h
diff: @@ -405,7 +405,7 @@ class fp {
  assign(d);
  constexpr int min_normal_e = std::numeric_limits<float>::min_exponent -
  std::numeric_limits<double>::digits;
  - significand_type half_ulp = (uint64_t)1 << (std::numeric_limits<double>::digits -
  + significand_type half_ulp = 1 << (std::numeric_limits<double>::digits -
  std::numeric_limits<float>::digits - 1);
  if (min_normal_e > e) half_ulp <<= min_normal_e - e;
  fp upper = normalize<0>(fp(f + half_ulp, e));
  