#include "haarOct.h"


DEFUN_DLD(ifhaar, args, nargout,
          "X = ifhaar(Y,l)\
\n\nX is the inverse Haar transform of Y at depth l\n")
{
    int ret = 0;

    Matrix M;
    
    if(CheckArgs(args) == 0)
    {
        M = args(0).matrix_value();
        int l = args(1).int_value();

        double * X = new double[M.rows()*M.cols()];

        ado2c(M,X);    

        if(M.rows() == 1)
        {
            ret = ihaar(X,M.cols(),l);
            M = adc2o(X,1,M.cols());
        }
        else if(M.cols() == 1)
        {
            ret = ihaar(X,M.rows(),l);
            M = adc2o(X,M.rows(),1);
        }
        else
        {
            ret = ihaar2(X,M.rows(),M.cols(),l);
            M = adc2o(X,M.rows(),M.cols());
        }

        if(ret == -1)
        {
            error("depth is too large for size of matrix");
        }

        delete X;
    }
    else
    {
        ret = -1;
    }

    if(ret == 0)
    {
        return octave_value(M);
    }
    else
    {
        return octave_value_list();   
    }
}