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43 lines (42 loc) · 1.78 KB
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scmath.cpp
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43 lines (42 loc) · 1.78 KB
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#include "scmath.h"
void Simplificate(BasicNode *&now){
if(now->getType() != Fun)
return;
FunNode* tempNow = (FunNode*)now;
if(tempNow->getEntity()->NAME == "*" || tempNow->getEntity()->NAME == "/"){
if(tempNow->sonNode[0]->getType() == Fun){
FunNode* temp = (FunNode*)(tempNow->sonNode[0]);
if(temp->getEntity()->NAME == "+" || temp->getEntity()->NAME == "-"){
FunNode* newnow = new FunNode(temp->getEntity());
for(int i = 0; i <= 1; i++){
FunNode* newson = new FunNode(tempNow->getEntity());
newson->addNode(copyHelp::copyNode(temp->sonNode[0]));
newson->addNode(copyHelp::copyNode(tempNow->sonNode[1]));
newnow->addNode(newson);
}
delete now;
now = newnow;
tempNow = (FunNode*)now;
}
}
}
if(tempNow->getEntity()->NAME == "*"){
if(tempNow->sonNode[1]->getType() == Fun){
FunNode* temp = (FunNode*)(tempNow->sonNode[1]);
if(temp->getEntity()->NAME == "+" || temp->getEntity()->NAME == "-"){
FunNode* newnow = new FunNode(temp->getEntity());
for(int i = 0; i <= 1; i++){
FunNode* newson = new FunNode(tempNow->getEntity());
newson->addNode(copyHelp::copyNode(tempNow->sonNode[0]));
newson->addNode(copyHelp::copyNode(temp->sonNode[0]));
newnow->addNode(newson);
}
delete now;
now = newnow;
tempNow = (FunNode*)now;
}
}
}
for(int i = 0; i < tempNow->getEntity()->getParnum(); i++)
Simplificate(now->sonNode[i]);
}