动态二维数组

float** gm;
uchar** new_gm;
gm=new float* [h];
new_gm=new uchar* [h];
for (i=0;i<h;i++ )
{
 gm[i]=new float[w];
new_gm[i]=new uchar[w];
}

 

 

//释放所分配的内存空间
for (i=0;i<h;i++)
{
 delete[w]gm[i]; //以行为单位释放数值空间
 delete[w]new_gm[i];
 }
delete [h]gm;     //释放行地址空间
delete [h]new_gm;