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fvar_o11.cpp
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00001 /*
00002  * $Id: fvar_o11.cpp 1714 2014-03-01 00:45:28Z johnoel $
00003  *
00004  * Author: David Fournier
00005  * Copyright (c) 2008-2012 Regents of the University of California
00006  */
00011 // file: fvar_ops.cpp
00012 // operators involving prevariables
00013 
00014 #include "fvar.hpp"
00015 
00016 #ifdef __TURBOC__
00017   #pragma hdrstop
00018   #include <iostream.h>
00019 #endif
00020 
00021 #ifdef __ZTC__
00022   #include <iostream.hpp>
00023 #endif
00024 
00025 #include <stdio.h>
00026 #include <math.h>
00027 
00028   void df_minus_eq_pvpv(void);
00029 
00034 void prevariable::operator-=(const prevariable& v1)
00035     {
00036       (*v).x-=(*v1.v).x;
00037   gradient_structure::GRAD_STACK1->set_gradient_stack(df_minus_eq_pvpv,&(v->x),
00038         &(v1.v->x));
00039     }
00040 
00045   void df_minus_eq_pvpv(void)
00046   {
00047     * gradient_structure::GRAD_STACK1->ptr->ind_addr1
00048                -= * gradient_structure::GRAD_STACK1->ptr->dep_addr;
00049   }