本文整理汇总了C++中std::tr1::shared_ptr::components方法的典型用法代码示例。如果您正苦于以下问题：C++ shared_ptr::components方法的具体用法？C++ shared_ptr::components怎么用？C++ shared_ptr::components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std::tr1::shared_ptr的用法示例。
在下文中一共展示了shared_ptr::components方法的1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: generateFilteredData
inline void generateFilteredData(std::vector<GLfloat>& scalardata,
const std::tr1::shared_ptr<Attribute>& ptr,
size_t mode)
{
//Update the data according to what was selected
scalardata.resize(ptr->num_elements());
const size_t components = ptr->components();
const std::vector<GLfloat>& attrdata = *ptr;
if (mode == 1)
//Magnitude calculation
{
for (size_t i(0); i < scalardata.size(); ++i)
{
scalardata[i] = 0;
for (size_t j(0); j < components; ++j)
{
GLfloat val = attrdata[i * components + j];
scalardata[i] += val * val;
}
scalardata[i] = std::sqrt(scalardata[i]);
}
}
else
{
//Component wise selection
size_t component = mode - 2;
#ifdef COIL_DEBUG
if (component >= components)
M_throw() << "Trying to filter an invalid component";
#endif
for (size_t i(0); i < scalardata.size(); ++i)
scalardata[i] = attrdata[i * components + component];
}
}