The documentation in equation_systems.h explains this:
/**
* Write the systems to disk using the XDR data format.
* This format allows for machine-independent binary output.
*
* Set the writing properties using the EquationSystems::WriteFlags
* enumeration. Set which sections to write out by bitwise OR'ing
* the enumeration values. Write everything by setting write_flags to:
* (WRITE_DATA | WRITE_ADDITIONAL_DATA)
*
* Note that the solution data can be omitted by calling
* this routine with WRITE_DATA omitted in the write_flags argument.
*
* If XdrMODE is omitted, it will be inferred as WRITE for filenames
* containing .xda or as ENCODE for filenames containing .xdr
*/
i.e. for binary, set the XdrMODE argument to ENCODE, or make sure that
the string filename ends in ".xdr"
On 12/02/2012 07:32 PM, Ataollah Mesgarnejad wrote:
> Dear all,
>
> I have a questions about XDR IO. When I write an XDR file using something
> like:
>
> equation_system.write(xdr_file_name.str(), EquationSystems::WRITE_DATA |
>
> EquationSystems::WRITE_ADDITIONAL_DATA);
>
> does it write a binary/ASCII file? And how can I make it write binary files?
>
> Thanks,
> Ata
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