#include "scicos_block4.h"
#include "../machine.h"
#ifndef min
#define min(a,b) ((a) <= (b) ? (a) : (b))
#endif
#ifndef max
#define max(a,b) ((a) >= (b) ? (a) : (b))
#endif
void extdiag(scicos_block *block,int flag)
{
double *u1;
double *y;
int mu,nu,i,ii;
mu=GetInPortRows(block,1);
nu=GetInPortCols(block,1);
u1=GetRealInPortPtrs(block,1);
y=GetRealOutPortPtrs(block,1);
for (i=0;i<mu*nu;i++) *(y+i)=0;
for (i=0;i<min(mu,nu);i++)
{ii=i+i*mu;
*(y+ii)=*(u1+ii);}
}