Help with reading and writing to a file
storri at cse.wustl.edu
Fri Jun 11 18:33:41 CEST 2004
On Fri, Jun 11, 2004 at 06:16:38PM +0200, Michel Bardiaux wrote:
> >The binary file is attached. There are three uint32_t variables
> >printed before the two mpf_class followed by a uint32_t variable.
> If you had posted the *dump* you would have looked at it and seen that
> there is nothing between the 2 strings. So, when you read back in, the
> runtime follows the normal rules: when reading a number, it stops when
> it sees a non-digit. There are 8 consecutive digits so of course they
> are read in as *one* number. You get zero for the 2nd one, you should
> have checked for EOF.
> My C++ is basic at best but I thing what you need is:
> m_file_handle << val << ""
First, for future knowledge, what do you mean by a *dump*?
Second, If the extra "" is required then why is that not a part of the
I have tried your suggestion on a simple test program. It does not
work. If you answer my first question I can post the simple test
program and the results in a dump format.
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