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.TH check_io "Janvier 1997" "Scilab Group" "Scicos function"
.so ../sci.an
.SH NAME
check_io - Checks and sets Scicos block port numbers.
.SH CALLING SEQUENCE
.nf
[model,graphics,ok]=check_io(model,graphics,in,out,clkin,clkout)
.fi
.SH PARAMETERS
.TP 10
model
: Scicos model data structure (see scicos_model)
.TP
graphics
: Scicos graphics data structure (see scicos_graphics)
.TP
in
: vector of regular input port sizes. Set \fVin=[]\fR in no regular
input port
.TP
out
: vector of regular output port sizes. Set \fVout=[]\fR in no regular
output port
.TP
clkin
: vector of event input port sizes. Set \fVclkin=[]\fR in no event
input port
.TP
clkout
: vector of event output port sizes. Set \fVclkout=[]\fR in no event
output port
.TP
ok
: boolean, \fV%t\fR if specified input/output have been correctly set.
\fV%f\fR if specified input/output cannot be taken into account.
.SH DESCRIPTION
This function is to be called when number of regular or event input or
output ports is modified. It check if it is possible (connected ports
cannot suppressed) and updates \fV model\fR and \fV graphics\fR block
substructures. \fV in\fR,\fV out\fR,\fV clkin\fR,\fV clkout\fR are
the vectors of port sizes for respectively the regular inputs, regular
outputs, event inputs and event outputs.
.LP
Negative values in \fV in\fR or \fV out\fR vector means that
corresponding ports dimension are to be determined by the context. Two
equal negative values means that corresponding ports have same size.
.SH SEE ALSO
scicos_block, scicos_model, scicos_graphics
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