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add missing simplification; handle nit #6952

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-10-25 09:59:54 -07:00
parent 0859be5649
commit 7b490543ca
2 changed files with 18 additions and 15 deletions
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24
src/math/polynomial/rpolynomial.cpp
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@ -658,9 +658,7 @@ namespace rpolynomial {
void display(std::ostream & out, polynomial const * p, display_var_proc const & proc, bool use_star) {
var x = p->max_var();
bool first = true;
unsigned i = p->size();
while (i > 0) {
--i;
for (unsigned i = p->size(); i-- > 0; ) {
poly_or_num * pn = p->arg(i);
if (pn == nullptr)
continue;
@ -697,23 +695,19 @@ namespace rpolynomial {
display(out, to_poly(pn), proc, use_star);
}
else {
bool add_paren = false;
if (i > 0)
add_paren = !is_monomial(to_poly(pn));
bool add_paren = !is_monomial(to_poly(pn));
if (add_paren)
out << "(";
display(out, to_poly(pn), proc, use_star);
if (add_paren)
out << ")";
if (i > 0) {
if (use_star)
out << "*";
else
out << " ";
proc(out, x);
if (i > 1)
out << "^" << i;
}
if (use_star)
out << "*";
else
out << " ";
proc(out, x);
if (i > 1)
out << "^" << i;
}
}
}