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Re: Mathematica Mathlink bug.

  • To: mathgroup at
  • Subject: [mg17057] Re: Mathematica Mathlink bug.
  • From: tobiasoed at
  • Date: Wed, 14 Apr 1999 02:12:04 -0400
  • Organization: Deja News - The Leader in Internet Discussion
  • Sender: owner-wri-mathgroup at

I tried to communicate via mathlink on different machines. It seems that the
message chanel shows the problem I stated when the kernel is started by the
MLOpenArgv() call. But when the kernel connects to a link created by the
other side, the behaviour is machine dependent: If the Kernel is Mathematica
3.0 for HP-UX PA-RISC the problem apears (chanel unidirectional) If the
Kernel is Mathematica 3.0 for Digital Unix the chanel is bidirectional.

I call (on MLOpenArgv with arguments
-linkcreate -linkprotocol tcp -linkname "4000"

and started Mathematica (on the same HP machine, a remote HP box, and a DEC box) using
math -mathlink -linkconnect -linkprotocol tcp -linkname "4000 at"

only in the case of a connection to the DEC is the chanel bidirectional.
So it seems to be a problem with the HP machines.

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