bool
ASTNaryFunctionNode::isLog10() const
{
bool valid = false;
if (getType() == AST_FUNCTION_LOG)
{
// a log can have either one child that is not the logbase qualifier
// or two where the first is the logbase of 10
if (getNumChildren() == 1)
{
ASTBase * base1 = ASTFunctionBase::getChild(0);
if (base1->isQualifier() == false)
{
valid = true;
}
}
else if (getNumChildren() == 2)
{
ASTBase * base1 = ASTFunctionBase::getChild(0);
ASTFunction* fun = dynamic_cast<ASTFunction*>(base1);
if (fun != NULL)
{
if (fun->getType() == AST_QUALIFIER_LOGBASE
&& fun->getNumChildren() == 1)
{
ASTBase *base2 = fun->getChild(0);
if (base2->getType() == AST_INTEGER)
{
ASTNumber *child = static_cast<ASTNumber*>(base2);
if (child->getInteger() == 10)
{
valid = true;
}
}
}
}
else
{
// here we are working the ASTNode so the casting
// is more difficult
ASTNode* newAST = dynamic_cast<ASTNode*>(base1);
if (newAST != NULL && newAST->getType() == AST_QUALIFIER_LOGBASE
&& newAST->getNumChildren() == 1 )
{
ASTNode* newAST1 = newAST->getChild(0);
if (newAST1->getType() == AST_INTEGER)
{
if (newAST1->getInteger() == 10)
{
valid = true;
}
}
}
else
{
if (newAST != NULL && newAST->getType() == AST_INTEGER)
{
if (newAST->getInteger() == 10)
{
valid = true;
}
}
}
}
}
}
return valid;
}
bool
ASTNaryFunctionNode::isSqrt() const
{
bool valid = false;
if (getType() == AST_FUNCTION_ROOT)
{
// a sqrt can have either one child that is not the degree qualifier
// or two where the first is the degree of 2
if (getNumChildren() == 1)
{
/* HACK to replicate OLD AST whic says a sqrt must have two children*/
valid = false;
//ASTBase * base1 = getChild(0);
//if (base1->isQualifier() == false)
//{
// valid = true;
//}
}
else if (getNumChildren() == 2)
{
ASTBase * base1 = ASTFunctionBase::getChild(0);
ASTFunction* fun = dynamic_cast<ASTFunction*>(base1);
if (fun != NULL)
{
if (fun->getType() == AST_QUALIFIER_DEGREE
&& fun->getNumChildren() == 1)
{
ASTBase *base2 = fun->getChild(0);
if (base2->getType() == AST_INTEGER)
{
ASTNumber *child = static_cast<ASTNumber*>(base2);
if (child->getInteger() == 2)
{
valid = true;
}
}
}
}
else
{
// here we are working the ASTNode so the casting
// is more difficult
ASTNode* newAST = dynamic_cast<ASTNode*>(base1);
if (newAST != NULL && newAST->getType() == AST_QUALIFIER_DEGREE
&& newAST->getNumChildren() == 1)
{
ASTNode* newAST1 = newAST->getChild(0);
if (newAST1->getType() == AST_INTEGER)
{
if (newAST1->getInteger() == 2)
{
valid = true;
}
}
}
else
{
if (newAST != NULL && newAST->getType() == AST_INTEGER)
{
if (newAST->getInteger() == 2)
{
valid = true;
}
}
}
}
}
}
return valid;
}
bool
ASTBinaryFunctionNode::isSqrt() const
{
bool valid = false;
ASTBase * base1 = NULL;
if (getType() == AST_FUNCTION_ROOT)
{
if (getNumChildren() == 2)
{
base1 = getChild(0);
ASTFunction* fun = dynamic_cast<ASTFunction*>(base1);
if (fun != NULL)
{
if (fun->getType() == AST_QUALIFIER_DEGREE
&& fun->getNumChildren() == 1)
{
ASTBase *base2 = fun->getChild(0);
if (base2->getType() == AST_INTEGER)
{
ASTNumber *child = static_cast<ASTNumber*>(base2);
if (child->getInteger() == 2)
{
valid = true;
}
}
}
}
else
{
// here we are working the ASTNode so the casting
// is more difficult
ASTNode* newAST = dynamic_cast<ASTNode*>(base1);
if (newAST != NULL && newAST->getType() == AST_QUALIFIER_DEGREE
&& newAST->getNumChildren() == 1)
{
ASTNode* newAST1 = newAST->getChild(0);
if (newAST1->getType() == AST_INTEGER)
{
if (newAST1->getInteger() == 2)
{
valid = true;
}
}
}
else
{
if (newAST != NULL && newAST->getType() == AST_INTEGER)
{
if (newAST->getInteger() == 2)
{
valid = true;
}
}
}
}
}
}
return valid;
}
