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fix #2615

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-10-06 19:00:14 -07:00
parent f9b6e4e247
commit 7c10fb83a0
4 changed files with 90 additions and 76 deletions
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1
src/math/polynomial/polynomial.h
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@ -48,6 +48,7 @@ namespace polynomial {
inline sign operator-(sign s) { switch (s) { case sign_neg: return sign_pos; case sign_pos: return sign_neg; default: return sign_zero; } };
inline sign to_sign(int s) { return s == 0 ? sign_zero : (s > 0 ? sign_pos : sign_neg); }
inline sign operator*(sign a, sign b) { return to_sign((int)a * (int)b); }
inline bool is_zero(sign s) { return s == sign_zero; }
int lex_compare(monomial const * m1, monomial const * m2);
int lex_compare2(monomial const * m1, monomial const * m2, var min_var);