fvar_op3.cpp

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

#ifdef __TURBOC__
  #pragma hdrstop
  #include <iostream.h>
#endif

#ifdef __ZTC__
  #include <iostream.hpp>
#endif

#include <math.h>
#include <stdio.h>

void gradfree(dlink *);

int prevariable::operator==(const double v1) const
    {
      return(v->x==v1);
    }

int prevariable::operator<=(const double v1) const
    {
      return(v->x<=v1);
    }

int prevariable::operator<(const double v1) const
    {
      return(v->x<v1);
    }

int prevariable::operator>(const double v1) const
    {
      return(v->x>v1);
    }

int prevariable::operator>=(const double v1) const
    {
      return(v->x >=v1);
    }

int prevariable::operator!=(const double v1) const
    {
      return(v->x!=v1);
    }