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// This is a component for LinuxCNC HAL
// Copyright 2006 Jeff Epler <jepler@unpythonic.net>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
component offset "Adds an offset to an input, and subtracts it from the feedback value.";
function update_output "Updated the output value by adding the offset to the input.";
function update_feedback "Update the feedback value by subtracting the offset from the feedback.";
pin in float offset "The offset value";
pin in float in "The input value";
pin out float out "The output value";
pin in float fb_in "The feedback input value";
pin out float fb_out "The feedback output value";
license "GPL";
author "Jeff Epler";
;;
FUNCTION(update_feedback) { fb_out = fb_in - offset; }
FUNCTION(update_output) { out = in + offset; }
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