Computational routine
eng

##
mat_cath

### File content

    # include "scicos_block4.h"
    # include "../machine.h"
    #include <stdio.h>

    void mat_cath(scicos_block *block,int flag)
    {
     double *u;
     double *y;
     int mu,nu;
     int i,j,ij,k,bk;

     mu =GetInPortRows(block,1);
     y=GetRealOutPortPtrs(block,1);
    if ((flag==1) || (flag==6))
       {for(j=0;j<mu;j++)
            {k=j;
    	 for (bk=1;bk<GetNin(block)+1;bk++)
       	     {u=GetRealInPortPtrs(block,bk);
    	     nu=GetInPortCols(block,bk);
         	     for(i=0;i<nu;i++)
    		{ij=j+i*mu;
    	 	 y[k]=u[ij];
     		 k+= mu;
    		}
     	     }
    	}
        }
    }