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2f756da294
* adding dt-solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * dt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * move mbp to self-contained module Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * files Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * Create CMakeLists.txt * dt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * rename to bool_var2expr to indicate type class * mbp * na
72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
/*++
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Copyright (c) 2015 Microsoft Corporation
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Module Name:
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qe_mbp.h
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Abstract:
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Model-based projection utilities
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Author:
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Nikolaj Bjorner (nbjorner) 2015-5-28
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Revision History:
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--*/
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#pragma once
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#include "ast/ast.h"
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#include "util/params.h"
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#include "model/model.h"
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#include "math/simplex/model_based_opt.h"
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namespace qe {
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class mbproj {
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class impl;
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impl * m_impl;
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public:
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mbproj(ast_manager& m, params_ref const& p = params_ref());
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~mbproj();
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void updt_params(params_ref const& p);
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static void get_param_descrs(param_descrs & r);
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/**
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\brief
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Apply model-based qe on constants provided as vector of variables.
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Return the updated formula and updated set of variables that were not eliminated.
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*/
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void operator()(bool force_elim, app_ref_vector& vars, model& mdl, expr_ref_vector& fmls);
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/**
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\brief
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Solve as many variables as possible using "cheap" quantifier elimination"
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*/
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void solve(model& model, app_ref_vector& vars, expr_ref_vector& lits);
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/**
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\brief
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Maximize objective t under current model for constraints in fmls.
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*/
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opt::inf_eps maximize(expr_ref_vector const& fmls, model& mdl, app* t, expr_ref& ge, expr_ref& gt);
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/**
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\brief
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Apply spacer friendly MBP.
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Use parameters to control behavior.
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- reduce_all_selects (false)
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- dont_sub (false)
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*/
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void spacer(app_ref_vector& vars, model& mdl, expr_ref& fml);
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};
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}
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