package AMRTools;
import BoxTools.Util;

public class GridSpacing{
	private static final int SPACE_DIM=Util.SPACE_DIM;
	protected double [] local m_dx=new double [SPACE_DIM]; 

	private GridSpacing(){}

	public GridSpacing(double single a_dx){
		for (int i=0;i<SPACE_DIM;i++) m_dx[i]=a_dx;
	}

	public GridSpacing(double [] local single a_dx){
		if (a_dx.length==SPACE_DIM)
			for (int i=0;i<SPACE_DIM;i++) m_dx[i]=a_dx[i];
		else
			Util.printErrMsg("GridSpacing::constructor: the size of input is wrong!");		
	}

	public GridSpacing(GridSpacing local a_DX){
		for (int i=0;i<SPACE_DIM;i++) m_dx[i]=a_DX.m_dx[i];			}

	public final inline local double op[](int a_dim){
		return m_dx[a_dim-1];
	}	
	
	public final inline local GridSpacing local op*=(double single a_db){
		for (int i=0;i<SPACE_DIM;i++) m_dx[i]*=a_db;
		return this;
	}

	public final inline local GridSpacing local op/=(double single a_db){
		for (int i=0;i<SPACE_DIM;i++) m_dx[i]/=a_db;
		return this;
	}
}