message: Use fabs in fnearest
diff: @@ -451,7 +451,7 @@ T fnearest(T value) noexcept
  // This implementation is based on adjusting the result produced by trunc() by +-1 when needed.
  const auto t = std::trunc(value);
  - if (const auto diff = std::abs(value - t); diff > T{0.5} || (diff == T{0.5} && !is_even(t)))
  + if (const auto diff = fabs(value - t); diff > T{0.5} || (diff == T{0.5} && !is_even(t)))
  return t + fcopysign(T{1}, value);
  else
  return t;
  