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35 lines
781 B
C++
35 lines
781 B
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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degree_shift_tactic.h
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Abstract:
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Simple degree shift procedure.
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Basic idea: if goal G contains a real variable x, x occurs with degrees
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d_1, ..., d_k in G, and n = gcd(d_1, ..., d_k) > 1.
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Then, replace x^n with a new fresh variable y.
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Author:
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Leonardo de Moura (leonardo) 2011-12-30.
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Revision History:
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--*/
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#ifndef _DEGREE_SHIFT_TACTIC_H_
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#define _DEGREE_SHIFT_TACTIC_H_
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#include"params.h"
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class ast_manager;
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class tactic;
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tactic * mk_degree_shift_tactic(ast_manager & m, params_ref const & p = params_ref());
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/*
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ADD_TACTIC("degree-shift", "try to reduce degree of polynomials (remark: :mul2power simplification is automatically applied).", "mk_degree_shift_tactic(m, p)")
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*/
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#endif
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