Computational routine
eng

extdiag

File content

#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);}
}