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storm wellformedness constraints fixed in case of negative coefficients

tempestpy_adaptions
Sebastian Junges 8 years ago
parent
d1f8712542
commit
b3a2da48d9
1 changed files with 15 additions and 14 deletions
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  1. 29
      src/storm/analysis/GraphConditions.cpp

29
src/storm/analysis/GraphConditions.cpp
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@ -29,14 +29,14 @@ namespace storm {
if (!storm::utility::isConstant(entry)) {
if (entry.denominator().isConstant()) {
if (entry.denominatorAsNumber() > 0) {
wellformedConstraintSet.emplace(entry.nominator().polynomial(), storm::CompareRelation::GEQ);
wellformedConstraintSet.emplace(entry.nominator().polynomialWithCoefficient(), storm::CompareRelation::GEQ);
} else if (entry.denominatorAsNumber() < 0) {
wellformedConstraintSet.emplace(entry.nominator().polynomial(), storm::CompareRelation::LEQ);
wellformedConstraintSet.emplace(entry.nominator().polynomialWithCoefficient(), storm::CompareRelation::LEQ);
} else {
assert(false); // Should fail before.
}
} else {
wellformedConstraintSet.emplace(entry.denominator().polynomial(), storm::CompareRelation::NEQ);
wellformedConstraintSet.emplace(entry.denominator().polynomialWithCoefficient(), storm::CompareRelation::NEQ);
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "Rational functions at state rewards not yet supported.");
}
}
@ -52,34 +52,35 @@ namespace storm {
if (!storm::utility::isConstant(transition.getValue())) {
// Assert: 0 <= transition <= 1
if (transition.getValue().denominator().isConstant()) {
assert(transition.getValue().denominator().constantPart() != 0);
if (transition.getValue().denominator().constantPart() > 0) {
// Assert: nom <= denom
wellformedConstraintSet.emplace((transition.getValue().nominator() - transition.getValue().denominator()).polynomial(), storm::CompareRelation::LEQ);
wellformedConstraintSet.emplace((transition.getValue().nominator() - transition.getValue().denominator()).polynomialWithCoefficient(), storm::CompareRelation::LEQ);
// Assert: nom >= 0
wellformedConstraintSet.emplace(transition.getValue().nominator().polynomial(), storm::CompareRelation::GEQ);
wellformedConstraintSet.emplace(transition.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::GEQ);
} else if (transition.getValue().denominator().constantPart() < 0) {
// Assert nom >= denom
wellformedConstraintSet.emplace((transition.getValue().nominator() - transition.getValue().denominator()).polynomial(), storm::CompareRelation::GEQ);
wellformedConstraintSet.emplace((transition.getValue().nominator() - transition.getValue().denominator()).polynomialWithCoefficient(), storm::CompareRelation::GEQ);
// Assert: nom <= 0
wellformedConstraintSet.emplace(transition.getValue().nominator().polynomial(), storm::CompareRelation::LEQ);
wellformedConstraintSet.emplace(transition.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::LEQ);
} else {
STORM_LOG_ASSERT(false, "Denominator must not equal 0.");
}
} else {
// Assert: denom != 0
wellformedConstraintSet.emplace(transition.getValue().denominator().polynomial(), storm::CompareRelation::NEQ);
wellformedConstraintSet.emplace(transition.getValue().denominator().polynomialWithCoefficient(), storm::CompareRelation::NEQ);
// Assert: transition >= 0 <==> if denom > 0 then nom >= 0 else nom <= 0
wellformedConstraintSet.emplace(carl::FormulaType::ITE, typename ConstraintType<ValueType>::val(transition.getValue().denominator().polynomial(), storm::CompareRelation::GREATER), typename ConstraintType<ValueType>::val(transition.getValue().nominator().polynomial(), storm::CompareRelation::GEQ), typename ConstraintType<ValueType>::val(transition.getValue().nominator().polynomial(), storm::CompareRelation::LEQ));
wellformedConstraintSet.emplace(carl::FormulaType::ITE, typename ConstraintType<ValueType>::val(transition.getValue().denominator().polynomialWithCoefficient(), storm::CompareRelation::GREATER), typename ConstraintType<ValueType>::val(transition.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::GEQ), typename ConstraintType<ValueType>::val(transition.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::LEQ));
// TODO: Assert: transition <= 1 <==> if denom > 0 then nom - denom <= 0 else nom - denom >= 0
}
// Assert: transition > 0
graphPreservingConstraintSet.emplace(transition.getValue().nominator().polynomial(), storm::CompareRelation::NEQ);
graphPreservingConstraintSet.emplace(transition.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::NEQ);
}
}
STORM_LOG_ASSERT(!storm::utility::isConstant(sum) || storm::utility::isOne(sum), "If the sum is a constant, it must be equal to 1.");
if(!storm::utility::isConstant(sum)) {
// Assert: sum == 1
wellformedConstraintSet.emplace((sum.nominator() - sum.denominator()).polynomial(), storm::CompareRelation::EQ);
wellformedConstraintSet.emplace((sum.nominator() - sum.denominator()).polynomialWithCoefficient(), storm::CompareRelation::EQ);
}
}
@ -95,14 +96,14 @@ namespace storm {
if(!entry.getValue().isConstant()) {
if (entry.getValue().denominator().isConstant()) {
if (entry.getValue().denominatorAsNumber() > 0) {
wellformedConstraintSet.emplace(entry.getValue().nominator().polynomial(), storm::CompareRelation::GEQ);
wellformedConstraintSet.emplace(entry.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::GEQ);
} else if (entry.getValue().denominatorAsNumber() < 0) {
wellformedConstraintSet.emplace(entry.getValue().nominator().polynomial(), storm::CompareRelation::LEQ);
wellformedConstraintSet.emplace(entry.getValue().nominator().polynomialWithCoefficient(), storm::CompareRelation::LEQ);
} else {
assert(false); // Should fail before.
}
} else {
wellformedConstraintSet.emplace(entry.getValue().denominator().polynomial(), storm::CompareRelation::NEQ);
wellformedConstraintSet.emplace(entry.getValue().denominator().polynomialWithCoefficient(), storm::CompareRelation::NEQ);
STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "Rational functions at transition rewards are not yet supported.");
}
}

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