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refactor: adjust const qualifications for Grid class

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This commit is contained in:
Max Lübke 2023-09-14 14:53:28 +02:00
parent a21023ec9d
commit f0d5220a48
2 changed files with 29 additions and 34 deletions
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20
include/tug/Grid.hpp
View File

@ -43,7 +43,7 @@ public:
* must have correct dimensions as defined in row and col. (Or length, in 1D
* case).
*/
void setConcentrations(Eigen::MatrixXd concentrations);
void setConcentrations(const Eigen::MatrixXd &concentrations);
/**
* @brief Gets the concentrations matrix for a Grid.
@ -51,7 +51,7 @@ public:
* @return MatrixXd An Eigen3 matrix holding the concentrations and having the
* same dimensions as the grid.
*/
const Eigen::MatrixXd getConcentrations();
const Eigen::MatrixXd &getConcentrations() { return this->concentrations; }
/**
* @brief Set the alpha coefficients of a 1D-Grid. Grid must be one
@ -60,7 +60,7 @@ public:
* @param alpha An Eigen3 MatrixXd with 1 row holding the alpha coefficients.
* Matrix columns must have same size as length of grid.
*/
void setAlpha(Eigen::MatrixXd alpha);
void setAlpha(const Eigen::MatrixXd &alpha);
/**
* @brief Set the alpha coefficients of a 2D-Grid. Grid must be two
@ -71,7 +71,7 @@ public:
* @param alphaY An Eigen3 MatrixXd holding the alpha coefficients in
* y-direction. Matrix must be of same size as the grid.
*/
void setAlpha(Eigen::MatrixXd alphaX, Eigen::MatrixXd alphaY);
void setAlpha(const Eigen::MatrixXd &alphaX, const Eigen::MatrixXd &alphaY);
/**
* @brief Gets the matrix of alpha coefficients of a 1D-Grid. Grid must be one
@ -79,7 +79,7 @@ public:
*
* @return MatrixXd A matrix with 1 row holding the alpha coefficients.
*/
const Eigen::MatrixXd getAlpha();
const Eigen::MatrixXd &getAlpha();
/**
* @brief Gets the matrix of alpha coefficients in x-direction of a 2D-Grid.
@ -87,7 +87,7 @@ public:
*
* @return MatrixXd A matrix holding the alpha coefficients in x-direction.
*/
const Eigen::MatrixXd getAlphaX();
const Eigen::MatrixXd &getAlphaX();
/**
* @brief Gets the matrix of alpha coefficients in y-direction of a 2D-Grid.
@ -95,7 +95,7 @@ public:
*
* @return MatrixXd A matrix holding the alpha coefficients in y-direction.
*/
const Eigen::MatrixXd getAlphaY();
const Eigen::MatrixXd &getAlphaY();
/**
* @brief Gets the dimensions of the grid.
@ -165,12 +165,12 @@ public:
private:
int col; // number of grid columns
int row; // number of grid rows
int row{1}; // number of grid rows
int dim; // 1D or 2D
double domainCol; // number of domain columns
double domainRow; // number of domain rows
double domainRow{0}; // number of domain rows
double deltaCol; // delta in x-direction (between columns)
double deltaRow; // delta in y-direction (between rows)
double deltaRow{0}; // delta in y-direction (between rows)
Eigen::MatrixXd concentrations; // Matrix holding grid concentrations
Eigen::MatrixXd alphaX; // Matrix holding alpha coefficients in x-direction
Eigen::MatrixXd alphaY; // Matrix holding alpha coefficients in y-direction

43
src/Grid.cpp
View File

@ -3,42 +3,38 @@
#include <iostream>
#include <tug/Grid.hpp>
Grid::Grid(int length) {
constexpr double MAT_INIT_VAL = 0;
Grid::Grid(int length) : col(length), domainCol(length) {
if (length <= 3) {
throw_invalid_argument(
"Given grid length too small. Must be greater than 3.");
}
this->row = 1;
this->col = length;
this->domainCol = length; // default: same size as length
this->deltaCol = double(this->domainCol) / double(this->col); // -> 1
this->dim = 1;
this->deltaCol = double(this->domainCol) / double(this->col); // -> 1
this->concentrations = Eigen::MatrixXd::Constant(1, col, 20);
this->alphaX = Eigen::MatrixXd::Constant(1, col, 1);
this->concentrations = Eigen::MatrixXd::Constant(1, col, MAT_INIT_VAL);
this->alphaX = Eigen::MatrixXd::Constant(1, col, MAT_INIT_VAL);
}
Grid::Grid(int row, int col) {
Grid::Grid(int _row, int _col)
: row(_row), col(_col), domainRow(_row), domainCol(_col) {
if (row <= 3 || col <= 3) {
throw_invalid_argument(
"Given grid dimensions too small. Must each be greater than 3.");
}
this->row = row;
this->col = col;
this->domainRow = row; // default: same size as row
this->domainCol = col; // default: same size as col
this->dim = 2;
this->deltaRow = double(this->domainRow) / double(this->row); // -> 1
this->deltaCol = double(this->domainCol) / double(this->col); // -> 1
this->dim = 2;
this->concentrations = Eigen::MatrixXd::Constant(row, col, 20);
this->alphaX = Eigen::MatrixXd::Constant(row, col, 1);
this->alphaY = Eigen::MatrixXd::Constant(row, col, 1);
this->concentrations = Eigen::MatrixXd::Constant(row, col, MAT_INIT_VAL);
this->alphaX = Eigen::MatrixXd::Constant(row, col, MAT_INIT_VAL);
this->alphaY = Eigen::MatrixXd::Constant(row, col, MAT_INIT_VAL);
}
void Grid::setConcentrations(Eigen::MatrixXd concentrations) {
void Grid::setConcentrations(const Eigen::MatrixXd &concentrations) {
if (concentrations.rows() != this->row ||
concentrations.cols() != this->col) {
throw_invalid_argument(
@ -48,9 +44,7 @@ void Grid::setConcentrations(Eigen::MatrixXd concentrations) {
this->concentrations = concentrations;
}
const Eigen::MatrixXd Grid::getConcentrations() { return this->concentrations; }
void Grid::setAlpha(Eigen::MatrixXd alpha) {
void Grid::setAlpha(const Eigen::MatrixXd &alpha) {
if (dim != 1) {
throw_invalid_argument("Grid is not one dimensional, you should probably "
"use 2D setter function!");
@ -63,7 +57,8 @@ void Grid::setAlpha(Eigen::MatrixXd alpha) {
this->alphaX = alpha;
}
void Grid::setAlpha(Eigen::MatrixXd alphaX, Eigen::MatrixXd alphaY) {
void Grid::setAlpha(const Eigen::MatrixXd &alphaX,
const Eigen::MatrixXd &alphaY) {
if (dim != 2) {
throw_invalid_argument("Grid is not two dimensional, you should probably "
"use 1D setter function!");
@ -81,7 +76,7 @@ void Grid::setAlpha(Eigen::MatrixXd alphaX, Eigen::MatrixXd alphaY) {
this->alphaY = alphaY;
}
const Eigen::MatrixXd Grid::getAlpha() {
const Eigen::MatrixXd &Grid::getAlpha() {
if (dim != 1) {
throw_invalid_argument("Grid is not one dimensional, you should probably "
"use either getAlphaX() or getAlphaY()!");
@ -90,7 +85,7 @@ const Eigen::MatrixXd Grid::getAlpha() {
return this->alphaX;
}
const Eigen::MatrixXd Grid::getAlphaX() {
const Eigen::MatrixXd &Grid::getAlphaX() {
if (dim != 2) {
throw_invalid_argument(
"Grid is not two dimensional, you should probably use getAlpha()!");
@ -99,7 +94,7 @@ const Eigen::MatrixXd Grid::getAlphaX() {
return this->alphaX;
}
const Eigen::MatrixXd Grid::getAlphaY() {
const Eigen::MatrixXd &Grid::getAlphaY() {
if (dim != 2) {
throw_invalid_argument(
"Grid is not two dimensional, you should probably use getAlpha()!");