fvar_o11.cpp

Go to the documentation of this file.

/*
 * $Id$
 *
 * 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 <stdio.h>
#include <math.h>

  void df_minus_eq_pvpv(void);

void prevariable::operator-=(const prevariable& v1)
{
  (*v).x-=(*v1.v).x;
  gradient_structure::GRAD_STACK1->set_gradient_stack(df_minus_eq_pvpv,&(v->x),
    &(v1.v->x));
}

void df_minus_eq_pvpv(void)
{
  *gradient_structure::GRAD_STACK1->ptr->ind_addr1 -=
    *gradient_structure::GRAD_STACK1->ptr->dep_addr;
}