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C++ TypeNode::isBitVector方法代码示例

本文整理汇总了C++中TypeNode::isBitVector方法的典型用法代码示例。如果您正苦于以下问题:C++ TypeNode::isBitVector方法的具体用法?C++ TypeNode::isBitVector怎么用?C++ TypeNode::isBitVector使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TypeNode的用法示例。


在下文中一共展示了TypeNode::isBitVector方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: rewriteAs

Node ModelPostprocessor::rewriteAs(TNode n, TypeNode asType) {
  if(n.getType().isSubtypeOf(asType)) {
    // good to go, we have the right type
    return n;
  }
  if(!n.isConst()) {
    // we don't handle non-const right now
    return n;
  }
  if(asType.isBoolean()) {
    if(n.getType().isBitVector(1u)) {
      // type mismatch: should only happen for Boolean-term conversion under
      // datatype constructor applications; rewrite from BV(1) back to Boolean
      bool tf = (n.getConst<BitVector>().getValue() == 1);
      return NodeManager::currentNM()->mkConst(tf);
    }
    if(n.getType().isDatatype() && n.getType().hasAttribute(BooleanTermAttr())) {
      // type mismatch: should only happen for Boolean-term conversion under
      // datatype constructor applications; rewrite from datatype back to Boolean
      Assert(n.getKind() == kind::APPLY_CONSTRUCTOR);
      Assert(n.getNumChildren() == 0);
      // we assume (by construction) false is first; see boolean_terms.cpp
      bool tf = (Datatype::indexOf(n.getOperator().toExpr()) == 1);
      Debug("boolean-terms") << "+++ rewriteAs " << n << " : " << asType << " ==> " << tf << endl;
      return NodeManager::currentNM()->mkConst(tf);
    }
  }
  if(n.getType().isBoolean()) {
    bool tf = n.getConst<bool>();
    if(asType.isBitVector(1u)) {
      return NodeManager::currentNM()->mkConst(BitVector(1u, tf ? 1u : 0u));
    }
    if(asType.isDatatype() && asType.hasAttribute(BooleanTermAttr())) {
      const Datatype& asDatatype = asType.getConst<Datatype>();
      return NodeManager::currentNM()->mkNode(kind::APPLY_CONSTRUCTOR, (tf ? asDatatype[0] : asDatatype[1]).getConstructor());
    }
  }
  if(n.getType().isRecord() && asType.isRecord()) {
    Debug("boolean-terms") << "+++ got a record - rewriteAs " << n << " : " << asType << endl;
    const Record& rec CVC4_UNUSED = n.getType().getConst<Record>();
    const Record& asRec = asType.getConst<Record>();
    Assert(rec.getNumFields() == asRec.getNumFields());
    Assert(n.getNumChildren() == asRec.getNumFields());
    NodeBuilder<> b(n.getKind());
    b << asType;
    for(size_t i = 0; i < n.getNumChildren(); ++i) {
      b << rewriteAs(n[i], TypeNode::fromType(asRec[i].second));
    }
    Node out = b;
    Debug("boolean-terms") << "+++ returning record " << out << endl;
    return out;
  }
开发者ID:Awesomeclaw,项目名称:CVC4,代码行数:52,代码来源:model_postprocessor.cpp

示例2: getOrderKind

Kind SymmetryBreaker::getOrderKind(Node node)
{
  TypeNode tn = node.getType();
  if (tn.isBoolean())
  {
    return IMPLIES;
  }
  else if (tn.isReal())
  {
    return LEQ;
  }
  else if (tn.isBitVector())
  {
    return BITVECTOR_ULE;
  }
  if (tn.isFirstClass())
  {
    return EQUAL;
  }
  return UNDEFINED_KIND;
}
开发者ID:CVC4,项目名称:CVC4,代码行数:21,代码来源:symmetry_breaker.cpp

示例3: removeToFPGeneric

  Node removeToFPGeneric (TNode node) {
    Assert(node.getKind() == kind::FLOATINGPOINT_TO_FP_GENERIC);
    
    FloatingPointToFPGeneric info = node.getOperator().getConst<FloatingPointToFPGeneric>();
    
    size_t children = node.getNumChildren();
    
    Node op;
    
    if (children == 1) {
      op = NodeManager::currentNM()->mkConst(FloatingPointToFPIEEEBitVector(info.t.exponent(),
									    info.t.significand()));
      return NodeManager::currentNM()->mkNode(op, node[0]);
      
    } else {
      Assert(children == 2);
      Assert(node[0].getType().isRoundingMode());
      
      TypeNode t = node[1].getType();
      
      if (t.isFloatingPoint()) {
	op = NodeManager::currentNM()->mkConst(FloatingPointToFPFloatingPoint(info.t.exponent(),
									      info.t.significand()));
      } else if (t.isReal()) {
	op = NodeManager::currentNM()->mkConst(FloatingPointToFPReal(info.t.exponent(),
								     info.t.significand()));
      } else if (t.isBitVector()) {
	op = NodeManager::currentNM()->mkConst(FloatingPointToFPSignedBitVector(info.t.exponent(),
										info.t.significand()));
	
      } else {
	throw TypeCheckingExceptionPrivate(node, "cannot rewrite to_fp generic due to incorrect type of second argument");
      }
      
      return NodeManager::currentNM()->mkNode(op, node[0], node[1]);
    }
    
    Unreachable("to_fp generic not rewritten");
  }
开发者ID:Dunedune,项目名称:CVC4,代码行数:39,代码来源:theory_fp.cpp


注:本文中的TypeNode::isBitVector方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。