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unit tests for dd_pdd ordering

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-01-08 16:14:15 -08:00
parent 61da9a8aeb
commit cca19ef1a7
2 changed files with 56 additions and 19 deletions
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4
src/math/dd/dd_pdd.h
View file

@ -37,7 +37,7 @@ Author:
#include "util/rational.h" #include "util/rational.h"
namespace dd { namespace dd {
class test;
class pdd; class pdd;
class pdd_manager; class pdd_manager;
class pdd_iterator; class pdd_iterator;
@ -46,6 +46,7 @@ namespace dd {
public: public:
enum semantics { free_e, mod2_e, zero_one_vars_e }; enum semantics { free_e, mod2_e, zero_one_vars_e };
private: private:
friend test;
friend pdd; friend pdd;
friend pdd_iterator; friend pdd_iterator;
@ -303,6 +304,7 @@ namespace dd {
}; };
class pdd { class pdd {
friend test;
friend class pdd_manager; friend class pdd_manager;
friend class pdd_iterator; friend class pdd_iterator;
unsigned root; unsigned root;

71
src/test/pdd.cpp
View file

@ -140,8 +140,9 @@ void test_iterator() {
std::cout << m << "\n"; std::cout << m << "\n";
} }
} }
class test {
void order() { public :
static void order() {
std::cout << "order\n"; std::cout << "order\n";
pdd_manager m(4); pdd_manager m(4);
unsigned va = 0; unsigned va = 0;
@ -160,7 +161,6 @@ void order() {
SASSERT(i != 0 ||( m.vars.size() == 1 && m.vars[0] == vb)); SASSERT(i != 0 ||( m.vars.size() == 1 && m.vars[0] == vb));
SASSERT(i != 1 ||( m.vars.size() == 1 && m.vars[0] == va)); SASSERT(i != 1 ||( m.vars.size() == 1 && m.vars[0] == va));
i++; i++;
// SASSERT(i != 1 || m == a);
} }
pdd ccbbaa = c*c*b*b*a*a; pdd ccbbaa = c*c*b*b*a*a;
pdd ccbbba = c*c*b*b*b*a; pdd ccbbba = c*c*b*b*b*a;
@ -173,26 +173,61 @@ void order() {
SASSERT(i != 0 ||( m.vars.size() == 6 && m.vars[4] == vb)); // the first one has to be ccbbba SASSERT(i != 0 ||( m.vars.size() == 6 && m.vars[4] == vb)); // the first one has to be ccbbba
SASSERT(i != 1 ||( m.vars.size() == 6 && m.vars[4] == va)); // the second one has to be ccbbaa SASSERT(i != 1 ||( m.vars.size() == 6 && m.vars[4] == va)); // the second one has to be ccbbaa
i++; i++;
// SASSERT(i != 1 || m == a);
} }
pdd dcbba = c*c*b*b*a*a; pdd dcbba = d*c*b*b*a;
pdd dd = d * d; pdd dd = d * d;
p = dcbba + ccbbba + d; p = dcbba + ccbbba + dd;
vector<unsigned> v;
std::cout << "p = " << p << "\n"; std::cout << "p = " << p << "\n";
std::cout << "more complex\n"; unsigned k = p.index();
i = 0; std::cout << "pdd(k) = " << pdd(k, m) << "\n";
for (auto const& m : p) { k = m.first_leading(k);
std::cout << m << "\n"; do {
SASSERT(i != 0 ||( m.vars.size() == 6 && m.vars[0] == vc)); // the first one has to be ccbbba if (m.is_val(k)) {
SASSERT(i != 1 ||( m.vars.size() == 5 && m.vars[0] == vd)); // the second one has to be dcbba SASSERT(m.val(k).is_one());
SASSERT(i != 2 ||( m.vars.size() == 2 && m.vars[1] == vd)); // the second one has to be dd break;
}
i++; v.push_back(m.var(k));
// SASSERT(i != 1 || m == a); std::cout << "pdd(k) = " << pdd(k, m) << "\n";
std::cout << "push v" << m.var(k) << "\n";
k = m.next_leading(k);
} while(true);
auto it = v.begin();
std::cout << "v" << *it;
it++;
for( ; it != v.end(); it ++) {
std::cout << "*v" << *it;
} }
SASSERT(v.size() == 6);
SASSERT(v[0] == vc);
std::cout << "\n";
v.reset();
p = d*c*c*d + b*c*c*b + d*d*d;
k = p.index();
std::cout << "pdd(k) = " << pdd(k, m) << "\n";
k = m.first_leading(k);
do {
if (m.is_val(k)) {
SASSERT(m.val(k).is_one());
break;
}
v.push_back(m.var(k));
std::cout << "pdd(k) = " << pdd(k, m) << "\n";
std::cout << "push v" << m.var(k) << "\n";
k = m.next_leading(k);
} while(true);
it = v.begin();
std::cout << "v" << *it;
it++;
for( ; it != v.end(); it ++) {
std::cout << "*v" << *it;
}
SASSERT(v.size() == 4);
SASSERT(v[0] == vd);
std::cout << "\n";
} }
};
} }
@ -203,5 +238,5 @@ void tst_pdd() {
dd::test5(); dd::test5();
dd::test_reset(); dd::test_reset();
dd::test_iterator(); dd::test_iterator();
dd::order(); dd::test::order();
} }