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-rw-r--r--src/theory/arith/fc_simplex.h32
1 files changed, 17 insertions, 15 deletions
diff --git a/src/theory/arith/fc_simplex.h b/src/theory/arith/fc_simplex.h
index e001d98d4..658f7c23e 100644
--- a/src/theory/arith/fc_simplex.h
+++ b/src/theory/arith/fc_simplex.h
@@ -4,15 +4,16 @@
** Top contributors (to current version):
** Tim King, Morgan Deters, Mathias Preiner
** This file is part of the CVC4 project.
- ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
+ ** Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
** in the top-level source directory and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
- ** \brief This is an implementation of the Simplex Module for the Simplex for DPLL(T)
- ** decision procedure.
+ ** \brief This is an implementation of the Simplex Module for the Simplex for
+ ** DPLL(T)decision procedure.
**
- ** This implements the Simplex module for the Simpelx for DPLL(T) decision procedure.
+ ** This implements the Simplex module for the Simpelx for DPLL(T) decision
+ ** procedure.
** See the Simplex for DPLL(T) technical report for more background.(citation?)
** This shares with the theory a Tableau, and a PartialModel that:
** - satisfies the equalities in the Tableau, and
@@ -21,26 +22,27 @@
** Further, we require being told when a basic variable updates its value.
**
** During the Simplex search we maintain a queue of variables.
- ** The queue is required to contain all of the basic variables that voilate their bounds.
+ ** The queue is required to contain all of the basic variables that voilate
+ ** their bounds.
** As elimination from the queue is more efficient to be done lazily,
- ** we do not maintain that the queue of variables needs to be only basic variables or only
- ** variables that satisfy their bounds.
+ ** we do not maintain that the queue of variables needs to be only basic
+ ** variables or only variables that satisfy their bounds.
**
** The simplex procedure roughly follows Alberto's thesis. (citation?)
- ** There is one round of selecting using a heuristic pivoting rule. (See PreferenceFunction
- ** Documentation for the available options.)
- ** The non-basic variable is the one that appears in the fewest pivots. (Bruno says that
- ** Leonardo invented this first.)
+ ** There is one round of selecting using a heuristic pivoting rule.
+ ** (See PreferenceFunction Documentation for the available options.)
+ ** The non-basic variable is the one that appears in the fewest pivots.
+ ** (Bruno says that Leonardo invented this first.)
** After this, Bland's pivot rule is invoked.
**
** During this proccess, we periodically inspect the queue of variables to
** 1) remove now extraneous extries,
- ** 2) detect conflicts that are "waiting" on the queue but may not be detected by the
- ** current queue heuristics, and
+ ** 2) detect conflicts that are "waiting" on the queue but may not be detected
+ ** by the current queue heuristics, and
** 3) detect multiple conflicts.
**
- ** Conflicts are greedily slackened to use the weakest bounds that still produce the
- ** conflict.
+ ** Conflicts are greedily slackened to use the weakest bounds that still
+ ** produce the conflict.
**
** Extra things tracked atm: (Subject to change at Tim's whims)
** - A superset of all of the newly pivoted variables.
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