Reference documentation for deal.II version 9.4.1
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#include <deal.II/non_matching/quadrature_generator.h>

## Public Member Functions

HeightDirectionData ()

## Public Attributes

unsigned int direction

double min_abs_dfdx

## Detailed Description

Data representing the best choice of height-function direction, which is returned by the function find_best_height_direction.

This data consists of a coordinate direction

$$i \in \{0, ..., dim - 1 \}$$,

and lower bound on the absolute value of the derivative of some associated function, f, taken in the above coordinate direction. That is, a bound $$C$$ such that

$$|\frac{\partial f}{\partial x_i}| > C$$,

holding over some subset of $$\mathbb{R}^{dim}$$.

Definition at line 931 of file quadrature_generator.h.

## ◆ HeightDirectionData()

Constructor. Initializes the direction to invalid_unsigned_int and the bound to 0.

Definition at line 265 of file quadrature_generator.cc.

## ◆ direction

The height-function direction, described above.

Definition at line 943 of file quadrature_generator.h.

## ◆ min_abs_dfdx

The lower bound on $$|\frac{\partial f}{\partial x_i}|$$, described above.