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rewrite horner scheme on top of nex_expr as a pointer

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-08-16 18:10:12 -07:00
parent 9fbd0da931
commit a7449494a9
3 changed files with 162 additions and 75 deletions
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13
src/test/lp/lp.cpp
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@ -86,7 +86,6 @@ void test_cn() {
nex_var* c = cn.mk_var(2);
nex_var* d = cn.mk_var(3);
nex_var* e = cn.mk_var(4);
nex_var* f = cn.mk_var(5);
nex_var* g = cn.mk_var(6);
nex* min_1 = cn.mk_scalar(rational(-1));
// test_cn_on_expr(min_1*c*e + min_1*b*d + min_1*a*b + a*c);
@ -94,8 +93,16 @@ void test_cn() {
nex_mul* bcg = cn.mk_mul(b, c, g);
bcg->add_child(min_1);
nex_sum* t = cn.mk_sum(bcd, bcg);
test_cn_on_expr(t, cn);
// test_cn_on_expr(a*a*d + a*b*c*d + a*a*c*c*d + a*d*d + e*a*e + e*a*c + e*d);
// test_cn_on_expr(t, cn);
nex* aad = cn.mk_mul(a, a, d);
nex* abcd = cn.mk_mul(a, b, c, d);
nex* aaccd = cn.mk_mul(a, a, c, c, d);
nex* add = cn.mk_mul(a, d, d);
nex* eae = cn.mk_mul(e, a, e);
nex* eac = cn.mk_mul(e, a, c);
nex* ed = cn.mk_mul(e, d);
test_cn_on_expr(cn.mk_sum(aad, abcd, aaccd, add, eae, eac, ed), cn);
// TRACE("nla_cn", tout << "done\n";);
// test_cn_on_expr(a*b*d + a*b*c + c*b*d + a*c*d);
// TRACE("nla_cn", tout << "done\n";);