本文整理汇总了C++中dvar_vector::elem_value方法的典型用法代码示例。如果您正苦于以下问题：C++ dvar_vector::elem_value方法的具体用法？C++ dvar_vector::elem_value怎么用？C++ dvar_vector::elem_value使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类dvar_vector的用法示例。
在下文中一共展示了dvar_vector::elem_value方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: while
/** Compute the dot product of two variable type vectors. The minimum and maxium
legal subscripts of the arguments must agree; otherwize an error message
is printed and execution terminates.
\ingroup matop
\param v1 A dvar_vector, \f$a\f$.
\param v2 A dvar_vector, \f$b\f$.
\return A dvariable, \f$z = a\cdot b = \sum_i a_i\cdot b_i\f$ containing
the value of the dot product of the two arguments.
*/
dvariable operator*(const dvar_vector& v1, const dvar_vector& v2)
{
RETURN_ARRAYS_INCREMENT();
if (v1.indexmin()!=v2.indexmin()||v1.indexmax()!=v2.indexmax())
{
cerr << "Incompatible bounds in "
"prevariable operator * (const dvar_vector& v1, const dvar_vector& v2)"
<< endl;
ad_exit(1);
}
double tmp=0;
#ifndef USE_ASSEMBLER
int mmin=v1.indexmin();
int mmax=v1.indexmax();
#ifdef OPT_LIB
double * pt1=&v1.elem_value(mmin);
double * pt1m=&v1.elem_value(mmax);
double * pt2=&v2.elem_value(mmin);
do
{
tmp+= *pt1++ * *pt2++;
}
while (pt1<=pt1m);
#else
for (int i=mmin; i<=mmax; i++)
{
tmp+=v1.elem_value(i)*v2.elem_value(i);
}
#endif
#else
int mmin=v1.indexmin();
int n=v1.indexmax()-mmin+1;
dp_dotproduct(&tmp,&(v1.elem_value(mmin)),&(v2.elem_value(mmin)),n);
#endif
dvariable vtmp=nograd_assign(tmp);
// The derivative list considerations
save_identifier_string("bbbb");
v1.save_dvar_vector_value();
v1.save_dvar_vector_position();
v2.save_dvar_vector_value();
v2.save_dvar_vector_position();
vtmp.save_prevariable_position();
save_identifier_string("aaaa");
gradient_structure::GRAD_STACK1->
set_gradient_stack(dvdv_dot);
RETURN_ARRAYS_DECREMENT();
return vtmp;
}示例2: tmp
/**
* Description not yet available.
* \param
*/
dvar_vector operator-(const dvar_vector& t1, const double x)
{
RETURN_ARRAYS_INCREMENT();
dvar_vector tmp(t1.indexmin(),t1.indexmax());
save_identifier_string("ucbb");
for (int i=t1.indexmin(); i<=t1.indexmax(); i++)
{
tmp.elem_value(i)=t1.elem_value(i)-x;
}
tmp.save_dvar_vector_position();
t1.save_dvar_vector_position();
save_identifier_string("dduu");
RETURN_ARRAYS_DECREMENT();
gradient_structure::GRAD_STACK1->set_gradient_stack(DF_dv_cdble_diff);
return(tmp);
}示例3: tmp
/**
* Description not yet available.
* \param
*/
dvar_vector operator+(const prevariable& x, const dvar_vector& t1)
{
RETURN_ARRAYS_INCREMENT();
dvar_vector tmp(t1.indexmin(),t1.indexmax());
save_identifier_string("wcbf");
x.save_prevariable_position();
for (int i=t1.indexmin(); i<=t1.indexmax(); i++)
{
tmp.elem_value(i)=t1.elem_value(i)+value(x);
}
tmp.save_dvar_vector_position();
t1.save_dvar_vector_position();
save_identifier_string("dduu");
RETURN_ARRAYS_DECREMENT();
gradient_structure::GRAD_STACK1->set_gradient_stack(DF_dble_dv_add);
return(tmp);
}