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change the representatition of nex_mul to use nex_pow

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-24 12:04:13 -07:00
parent dfb862db7c
commit 27a27f16ff
7 changed files with 125 additions and 149 deletions
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17
src/test/lp/lp.cpp
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@ -73,6 +73,22 @@ void test_cn_on_expr(nex_sum *t, cross_nested& cn) {
cn.run(t);
}
void test_simplify(cross_nested& cn, nex_var* a, nex_var* b, nex_var* c) {
auto & r = cn.get_nex_creator();
auto m = r.mk_mul(); m->add_child_in_power(c, 2);
TRACE("nla_cn", tout << "m = " << *m << "\n";);
auto n = r.mk_mul(a);
n->add_child_in_power(b, 7);
TRACE("nla_cn", tout << "n = " << *n << "\n";);
m->add_child_in_power(n, 3);
TRACE("nla_cn", tout << "m = " << *m << "\n";);
nex * e = r.mk_sum(a, r.mk_sum(b, m));
TRACE("nla_cn", tout << "e = " << *e << "\n";);
e->simplify(&e);
TRACE("nla_cn", tout << "simplified e = " << *e << "\n";);
}
void test_cn() {
cross_nested cn(
[](const nex* n) {
@ -91,6 +107,7 @@ void test_cn() {
nex_var* e = cn.get_nex_creator().mk_var(4);
nex_var* g = cn.get_nex_creator().mk_var(6);
nex* min_1 = cn.get_nex_creator().mk_scalar(rational(-1));
test_simplify(cn, a, b, c);
// test_cn_on_expr(min_1*c*e + min_1*b*d + min_1*a*b + a*c);
nex* bcd = cn.get_nex_creator().mk_mul(b, c, d);
nex_mul* bcg = cn.get_nex_creator().mk_mul(b, c, g);