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10.3.50 Stop*: Set a breakpoint

General Form:

          stop [ after n] [ when value cond value ] ...

Set a breakpoint. The argument after n means stop after n iteration number n, and the argument when value cond value means stop when the first value is in the given relation with the second value, the possible relations being

          eq   or   =    equal to
          ne   or   <>   not equal to
          gt   or   >    greater than
          lt   or   <    less than
          ge   or   >=   greater than or equal to
          le   or   <=   less than or equal to

IO redirection is disabled for the stop command, since the relational operations conflict with it (it doesn't produce any output anyway). The values above may be node names in the running circuit, or real values. If more than one condition is given, e.g. stop after 4 when v(1) > 4 when v(2) < 2, the conjunction of the conditions is implied.

10.3.51 Sysinfo: Print system information

General Form:

          sysinfo

The command prints system information useful for sending bug report to developers. Information consists of:

The example below shows the use of this command.

     ngspice 1 -> sysinfo
     Linux janus.wayout.net 2.4.20 #1 SMP Tue Jun 10 18:58:26 CEST 2003 i686
     ngspice 2 ->
Note: This command may not be available on your environment, if it is not available, please send analogous information when submitting bug reports.