uint64_t usage

[Rik]

After including "stdint.h", can I always rely on uint64_t being available
to the compiler?  Or do I need to write complicated code with #ifdefs to
use either uint32_t or uint64_t?

I've written code for the parser to handle binary constants and it is
pretty simple as written.

---Code---
  else if (looks_like_bin (tmptxt, strlen (tmptxt)))
    {
      uint64_t ivalue = 0;

      for (int i = 0; i < strlen (tmptxt); i++)
        {
          ivalue <<= 1;
          ivalue += static_cast<uint64_t> (tmptxt[i] == '1');
        }

      value = static_cast<double> (ivalue);
      nread = 1;  // Just to pass the assert stmt below
    }
---End Code---

We could also have Octave only support 32-bit binary constants since I
think uint32_t is guaranteed.

--Rik