ADMB Documentation  11.1.2533
 All Classes Files Functions Variables Typedefs Friends Defines
fvar_a53.cpp
Go to the documentation of this file.
00001 /*
00002  * $Id: fvar_a53.cpp 1942 2014-04-28 22:22:45Z johnoel $
00003  *
00004  * Author: David Fournier
00005  * Copyright (c) 2008-2012 Regents of the University of California
00006  */
00011 #include "fvar.hpp"
00012 
00013   void DF_dv_double_prod(void);
00014 
00019 dvar_vector operator*(const dvar_vector& t1, const double x)
00020   {
00021     RETURN_ARRAYS_INCREMENT();
00022     dvar_vector tmp(t1.indexmin(),t1.indexmax());
00023     save_identifier_string("ccbb");
00024     save_double_value(x);
00025     for (int i=t1.indexmin(); i<=t1.indexmax(); i++)
00026     {
00027       tmp.elem_value(i)=t1.elem_value(i)*x;
00028     }
00029     tmp.save_dvar_vector_position();
00030     t1.save_dvar_vector_position();
00031     save_identifier_string("DDaa");
00032     RETURN_ARRAYS_DECREMENT();
00033     gradient_structure::GRAD_STACK1->set_gradient_stack(DF_dv_double_prod);
00034     return(tmp);
00035   }
00036 
00041  void DF_dv_double_prod(void)
00042  {
00043     verify_identifier_string("DDaa");
00044     dvar_vector_position t1_pos=restore_dvar_vector_position();
00045     dvar_vector_position tmp_pos=restore_dvar_vector_position();
00046     double x=restore_double_value();
00047     dvector dftmp=restore_dvar_vector_derivatives(tmp_pos);
00048     dvector dft1(t1_pos.indexmin(),t1_pos.indexmax());
00049     verify_identifier_string("ccbb");
00050     for (int i=t1_pos.indexmax(); i>=t1_pos.indexmin(); i--)
00051     {
00052       //tmp.elem_value(i)=value(x)*t1.elem_value(i)*x;
00053       dft1(i)=dftmp(i)*x;
00054     }
00055     dft1.save_dvector_derivatives(t1_pos);
00056  }
00057 
00062 dvar_vector operator*(const double x, const dvar_vector& t1)
00063   {
00064     return t1*x;
00065   }