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debug sorting of nex expressions

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-28 20:12:31 -07:00
parent 019ba1e942
commit 4c1a120391
3 changed files with 27 additions and 13 deletions
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22
src/math/lp/nex_creator.cpp
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@ -116,7 +116,7 @@ void nex_creator::simplify_children_of_mul(vector<nex_pow> & children) {
TRACE("nla_cn_details", print_vector(children, tout););
}
bool nex_creator::mul_simplify_lt(const nex_mul* a, const nex_mul* b) {
bool nex_creator::less_than_on_mul(const nex_mul* a, const nex_mul* b) {
NOT_IMPLEMENTED_YET();
}
@ -135,7 +135,7 @@ bool nex_creator::sum_simplify_lt(const nex* a, const nex* b) {
return to_scalar(a)->value() < to_scalar(b)->value();
}
case expr_type::MUL: {
return mul_simplify_lt(to_mul(a), to_mul(b));
return less_than_on_mul(to_mul(a), to_mul(b));
}
case expr_type::SUM: {
UNREACHABLE();
@ -229,7 +229,7 @@ nex* nex_creator::simplify_sum(nex_sum *e) {
return e;
}
bool nex_creator::sum_is_simplified(nex_sum* e) const {
bool nex_creator::sum_is_simplified(const nex_sum* e) const {
if (e->size() < 2) return false;
for (nex * ee : e->children()) {
if (ee->is_sum())
@ -470,4 +470,20 @@ nex * nex_creator::mk_div(const nex* a, const nex* b) {
return mk_div_by_mul(a, to_mul(b));
}
nex* nex_creator::simplify(nex* e) {
if (e->is_mul())
return simplify_mul(to_mul(e));
if (e->is_sum())
return simplify_sum(to_sum(e));
return e;
}
bool nex_creator::is_simplified(const nex *e) const
{
if (e->is_mul())
return mul_is_simplified(to_mul(e));
if (e->is_sum())
return sum_is_simplified(to_sum(e));
return true;
}
}