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53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
/*++
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Copyright (c) 2013 Microsoft Corporation
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Module Name:
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dl_mk_scale.h
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Abstract:
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Add scale factor to linear (Real) arithemetic Horn clauses.
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The transformation replaces occurrences of isolated constants by
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a scale multiplied to each constant.
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Author:
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Nikolaj Bjorner (nbjorner) 2013-08-19
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Revision History:
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--*/
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#ifndef _DL_MK_SCALE_H_
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#define _DL_MK_SCALE_H_
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#include"dl_rule_transformer.h"
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#include"arith_decl_plugin.h"
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namespace datalog {
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class mk_scale : public rule_transformer::plugin {
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class scale_model_converter;
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ast_manager& m;
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context& m_ctx;
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arith_util a;
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expr_ref_vector m_trail;
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app_ref_vector m_eqs;
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obj_map<expr, expr*> m_cache;
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scale_model_converter* m_mc;
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expr* linearize(unsigned num_vars, expr* e);
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app_ref mk_pred(unsigned num_vars, app* q);
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app_ref mk_constraint(unsigned num_vars, app* q);
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public:
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mk_scale(context & ctx, unsigned priority = 33039);
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virtual ~mk_scale();
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rule_set * operator()(rule_set const & source);
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};
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};
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#endif /* _DL_MK_SCALE_H_ */
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