#if !defined(ARRAY2D_H)
#define ARRAY2D_H

float **allocatememory(int row, int col)
{
	float **m;
	m=new float*[row];
	for(int i=0;i<row;i++)m[i]=new float[col];
	return m;
}
void freememory(float **m,int row)
{
	if(m==0)return;
	for(int i=0;i<row;i++)delete m[i];
	delete m;
	m=0;
}
#endif