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When exporting DDs to the dot format, edges leading to the zero node are now suppressed. Also, nodes in the dot file are now labeled with variable names (+ the number of the bit). 

Former-commit-id: 410d61d333
main
dehnert 12 years ago
parent
dc8921037e
commit
5a4730ae22
6 changed files with 99 additions and 14 deletions
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  1. 19
      resources/3rdparty/cudd-2.5.0/src/cudd/cuddExport.c
  2. 37
      src/storage/dd/CuddDd.cpp
  3. 23
      src/storage/dd/CuddDd.h
  4. 23
      src/storage/dd/CuddDdManager.cpp
  5. 7
      src/storage/dd/CuddDdManager.h
  6. 4
      test/functional/storage/CuddDdTest.cpp

19
resources/3rdparty/cudd-2.5.0/src/cudd/cuddExport.c
View File

@ -502,9 +502,11 @@ Cudd_DumpDot(
scan = nodelist[j];
while (scan != NULL) {
if (st_is_member(visited,(char *) scan)) {
retval = fprintf(fp,"\"%p\";\n",
(void *) ((mask & (ptrint) scan) / sizeof(DdNode)));
if (retval == EOF) goto failure;
if (scan != Cudd_ReadZero(dd)) {
retval = fprintf(fp,"\"%p\";\n",
(void *) ((mask & (ptrint) scan) / sizeof(DdNode)));
if (retval == EOF) goto failure;
}
}
scan = scan->next;
}
@ -541,6 +543,12 @@ Cudd_DumpDot(
scan = nodelist[j];
while (scan != NULL) {
if (st_is_member(visited,(char *) scan)) {
retval = fprintf(fp,
"\"%p\" [label = \"%s\"];\n",
(void *) ((mask & (ptrint) scan) /
sizeof(DdNode)), inames[dd->invperm[i]]);
if (retval == EOF) goto failure;
if (cuddT(scan) != Cudd_ReadZero(dd)) {
retval = fprintf(fp,
"\"%p\" -> \"%p\";\n",
(void *) ((mask & (ptrint) scan) /
@ -548,6 +556,8 @@ Cudd_DumpDot(
(void *) ((mask & (ptrint) cuddT(scan)) /
sizeof(DdNode)));
if (retval == EOF) goto failure;
}
if (cuddE(scan) != Cudd_ReadZero(dd)) {
if (Cudd_IsComplement(cuddE(scan))) {
retval = fprintf(fp,
"\"%p\" -> \"%p\" [style = dotted];\n",
@ -565,6 +575,7 @@ Cudd_DumpDot(
}
if (retval == EOF) goto failure;
}
}
scan = scan->next;
}
}
@ -578,11 +589,13 @@ Cudd_DumpDot(
scan = nodelist[j];
while (scan != NULL) {
if (st_is_member(visited,(char *) scan)) {
if (scan != Cudd_ReadZero(dd)) {
retval = fprintf(fp,"\"%p\" [label = \"%g\"];\n",
(void *) ((mask & (ptrint) scan) / sizeof(DdNode)),
cuddV(scan));
if (retval == EOF) goto failure;
}
}
scan = scan->next;
}
}

37
src/storage/dd/CuddDd.cpp
View File

@ -55,6 +55,10 @@ namespace storm {
return result;
}
Dd<DdType::CUDD> Dd<DdType::CUDD>::operator-() const {
return this->getDdManager()->getZero() - *this;
}
Dd<DdType::CUDD>& Dd<DdType::CUDD>::operator-=(Dd<DdType::CUDD> const& other) {
this->cuddAdd -= other.getCuddAdd();
@ -85,6 +89,12 @@ namespace storm {
return result;
}
Dd<DdType::CUDD> Dd<DdType::CUDD>::logicalOr(Dd<DdType::CUDD> const& other) const {
std::set<std::string> metaVariableNames(this->getContainedMetaVariableNames());
metaVariableNames.insert(other.getContainedMetaVariableNames().begin(), other.getContainedMetaVariableNames().end());
return Dd<DdType::CUDD>(this->getDdManager(), this->getCuddAdd().Or(other.getCuddAdd()), metaVariableNames);
}
Dd<DdType::CUDD>& Dd<DdType::CUDD>::complement() {
this->cuddAdd = ~this->cuddAdd;
return *this;
@ -230,7 +240,7 @@ namespace storm {
this->cuddAdd = this->cuddAdd.SwapVariables(from, to);
}
Dd<DdType::CUDD> Dd<DdType::CUDD>::multiplyMatrix(Dd<DdType::CUDD> const& otherMatrix, std::set<std::string> const& summationMetaVariableNames) {
Dd<DdType::CUDD> Dd<DdType::CUDD>::multiplyMatrix(Dd<DdType::CUDD> const& otherMatrix, std::set<std::string> const& summationMetaVariableNames) const {
std::vector<ADD> summationDdVariables;
// Create the CUDD summation variables.
@ -358,9 +368,32 @@ namespace storm {
if (filename.empty()) {
this->getDdManager()->getCuddManager().DumpDot(cuddAddVector);
} else {
// Build the name input of the DD.
std::vector<char*> ddNames;
std::string ddName("f");
ddNames.push_back(new char[ddName.size() + 1]);
memcpy(ddNames.back(), ddName.c_str(), 2);
// Now build the variables names.
std::vector<std::string> ddVariableNamesAsStrings = this->getDdManager()->getDdVariableNames();
std::vector<char*> ddVariableNames;
for (auto const& element : ddVariableNamesAsStrings) {
ddVariableNames.push_back(new char[element.size() + 1]);
memcpy(ddVariableNames.back(), element.c_str(), element.size() + 1);
}
// Open the file, dump the DD and close it again.
FILE* filePointer = fopen(filename.c_str() , "w");
this->getDdManager()->getCuddManager().DumpDot(cuddAddVector, nullptr, nullptr, filePointer);
this->getDdManager()->getCuddManager().DumpDot(cuddAddVector, &ddVariableNames[0], &ddNames[0], filePointer);
fclose(filePointer);
// Finally, delete the names.
for (char* element : ddNames) {
delete element;
}
for (char* element : ddVariableNames) {
delete element;
}
}
}

23
src/storage/dd/CuddDd.h
View File

@ -88,6 +88,13 @@ namespace storm {
*/
Dd<DdType::CUDD> operator-(Dd<DdType::CUDD> const& other) const;
/*!
* Subtracts the DD from the constant zero function.
*
* @return The resulting function represented as a DD.
*/
Dd<DdType::CUDD> operator-() const;
/*!
* Subtracts the given DD from the current one and assigns the result to the current DD.
*
@ -112,13 +119,6 @@ namespace storm {
*/
Dd<DdType::CUDD>& operator/=(Dd<DdType::CUDD> const& other);
/*!
* Subtracts the DD from the constant zero function.
*
* @return The resulting function represented as a DD.
*/
Dd<DdType::CUDD> minus() const;
/*!
* Retrieves the logical complement of the current DD. The result will map all encodings with a value
* unequal to zero to false and all others to true.
@ -127,6 +127,13 @@ namespace storm {
*/
Dd<DdType::CUDD> operator~() const;
/*!
* Performs a logical or of the current and the given DD.
*
* @return The logical or of the operands.
*/
Dd<DdType::CUDD> logicalOr(Dd<DdType::CUDD> const& other) const;
/*!
* Logically complements the current DD. The result will map all encodings with a value
* unequal to zero to false and all others to true.
@ -232,7 +239,7 @@ namespace storm {
* matrix multiplication.
* @return A DD representing the result of the matrix-matrix multiplication.
*/
Dd<DdType::CUDD> multiplyMatrix(Dd<DdType::CUDD> const& otherMatrix, std::set<std::string> const& summationMetaVariableNames);
Dd<DdType::CUDD> multiplyMatrix(Dd<DdType::CUDD> const& otherMatrix, std::set<std::string> const& summationMetaVariableNames) const;
/*!
* Retrieves the number of encodings that are mapped to a non-zero value.

23
src/storage/dd/CuddDdManager.cpp
View File

@ -1,4 +1,5 @@
#include <cmath>
#include <string>
#include <algorithm>
#include "src/storage/dd/CuddDdManager.h"
@ -179,5 +180,27 @@ namespace storm {
Cudd& DdManager<DdType::CUDD>::getCuddManager() {
return this->cuddManager;
}
std::vector<std::string> DdManager<DdType::CUDD>::getDdVariableNames() const {
// First, we initialize a list DD variables and their names.
std::vector<std::pair<ADD, std::string>> variableNamePairs;
for (auto const& nameMetaVariablePair : this->metaVariableMap) {
DdMetaVariable<DdType::CUDD> const& metaVariable = nameMetaVariablePair.second;
for (uint_fast64_t variableIndex = 0; variableIndex < metaVariable.getNumberOfDdVariables(); ++variableIndex) {
variableNamePairs.emplace_back(metaVariable.getDdVariables()[variableIndex].getCuddAdd(), metaVariable.getName() + "." + std::to_string(variableIndex));
}
}
// Then, we sort this list according to the indices of the ADDs.
std::sort(variableNamePairs.begin(), variableNamePairs.end(), [](std::pair<ADD, std::string> const& a, std::pair<ADD, std::string> const& b) { return a.first.getNode()->index < b.first.getNode()->index; });
// Now, we project the sorted vector to its second component.
std::vector<std::string> result;
for (auto const& element : variableNamePairs) {
result.push_back(element.second);
}
return result;
}
}
}

7
src/storage/dd/CuddDdManager.h
View File

@ -131,6 +131,13 @@ namespace storm {
bool hasMetaVariable(std::string const& metaVariableName) const;
private:
/*!
* Retrieves a list of names of the DD variables in the order of their index.
*
* @return A list of DD variable names.
*/
std::vector<std::string> getDdVariableNames() const;
/*!
* Retrieves the underlying CUDD manager.
*

4
test/functional/storage/CuddDdTest.cpp
View File

@ -151,6 +151,9 @@ TEST(CuddDd, OperatorTest) {
dd1 = ~dd3;
EXPECT_TRUE(dd1 == manager->getOne());
dd3 = dd1.logicalOr(dd2);
EXPECT_TRUE(dd3 == manager->getOne());
dd1 = manager->getIdentity("x");
dd2 = manager->getConstant(5);
@ -253,7 +256,6 @@ TEST(CuddDd, GetSetValueTest) {
storm::dd::Dd<storm::dd::DdType::CUDD> dd1 = manager->getOne();
ASSERT_NO_THROW(dd1.setValue("x", 4, 2));
EXPECT_EQ(2, dd1.getLeafCount());
dd1.exportToDot("dd1.dot");
std::map<std::string, int_fast64_t> metaVariableToValueMap;
metaVariableToValueMap.emplace("x", 1);

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