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limit explosiion of expressions in Grobner, allow rows containing free vars to Grobner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-12-15 10:58:03 -10:00
parent fb69139daa
commit 7ddcfcafad
3 changed files with 40 additions and 17 deletions
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8
src/math/lp/nla_settings.h
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@ -31,6 +31,8 @@ class nla_settings {
bool m_run_grobner;
unsigned m_grobner_frequency;
unsigned m_grobner_eqs_threshold;
unsigned m_grobner_row_length_limit;
unsigned m_grobner_superposed_expr_size_limit;
public:
nla_settings() : m_run_order(true),
@ -40,7 +42,9 @@ public:
m_horner_row_length_limit(10),
m_run_grobner(true),
m_grobner_frequency(5),
m_grobner_eqs_threshold(512)
m_grobner_eqs_threshold(512),
m_grobner_row_length_limit(10),
m_grobner_superposed_expr_size_limit(50)
{}
unsigned grobner_eqs_threshold() const { return m_grobner_eqs_threshold; }
@ -65,5 +69,7 @@ public:
unsigned grobner_frequency() const { return m_grobner_frequency; }
unsigned& grobner_frequency() { return m_grobner_frequency; }
unsigned grobner_row_length_limit() const { return m_grobner_row_length_limit; }
unsigned grobner_superposed_expr_size_limit() const { return m_grobner_superposed_expr_size_limit; }
};
}