dvect24.cpp

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/*
 * $Id$
 *
 * Author: David Fournier
 * Copyright (c) 2008-2012 Regents of the University of California
 */
#include "fvar.hpp"

ivector sgn(const dvector& v)
{
  int mmin=v.indexmin();
  int mmax=v.indexmax();
  ivector tmp(mmin,mmax);
  for (int i=mmin;i<=mmax;i++)
  {
    if (v(i)>0.0)
      tmp(i)=1;
    else
      tmp(i)=-1;
  }
  return tmp;
}