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randomforests's Issues

发现一个bug

我在win10设备上运行代码,用VS2019创建工程,使用的数据集是您推荐的数据集。但是把编译器配置成release-x64,debug-x64和debug-x86的时候都运行不了,弹出以下错误:
C:\Users\lenovo\Desktop\rf\rf\Debug\rf.exe (进程 20548)已退出,代码为 -1073741819。
debug发现在文件node.cpp-69行处发生内存冲突:
0x01314AD8 处(位于 rf.exe 中)引发的异常: 0xC0000005: 读取位置 0x993F48B0 时发生访问冲突。
只有配置成release-x86时可以跑通代码,给出正确结果。

have a question about Sample Class

Sample::Sample(Sample* samples)
{
_dataset=samples->_dataset;
_labels=samples->_labels;
_classNum=samples->getClassNum();
_featureNum=samples->getFeatureNum();
_sampleNum=samples->getSampleNum();
_selectedSampleNum=samples->getSelectedSampleNum();
_selectedFeatureNum=samples->getSelectedFeatureNum();
_sampleIndex=samples->getSampleIndex();
_featureIndex=samples->getFeatureIndex();
}
Sample::~Sample()
{
_sampleIndex=NULL;
_featureIndex=NULL;
}
Is it safe to write this way

bug-for- ~Tree()

Tree::~Tree()
{
if(_cartreeArray!=NULL)
{
for(int i=0;i<_nodeNum;++i)
{
if(_cartreeArray[i]!=NULL)
{
delete _cartreeArray[i];
_cartreeArray[i]=NULL;
}
}
delete[] _cartreeArray;
_cartreeArray=NULL;
}
}

error! about delete

bug in sample.cpp

void Sample::randomSelectFeature(int*featureIndex,int featureNum,int selectedFeatureNum)
{
// ......
for(i=0,j=featureNum-selectedFeatureNum;j<featureNum;++j,++i)
{
// if featureNum == selectedFeatureNum, then wrong
index = rand()%j;
// ......
}
so, may be like this:
if(j == 0)
index = 0;
else
index = rand()%j;

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