Flush the pipe after having sent a command #1
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This commit forces the library to send commands to Gnuplot every time a
plot
,histogram
, orplot3d
method is invoked.This enables the possibility to use the Gnuplot window interactively in
example-simple.cpp
. A call tostd::getchar
has been added to ensure that Gnuplot is still running if the user wants to interact with the window.fflush
to Gnuplot::sendcommand