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add comments and rename function

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This commit is contained in:
Max Lübke 2023-09-06 14:39:27 +02:00
parent 40710a0b39
commit bf4444fc84
1 changed files with 19 additions and 12 deletions
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31
naaice/BTCS_2D_NAAICE.cpp
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@ -11,6 +11,9 @@
#include "files.hpp"
/**
* Try to parse an input string into a given template type.
*/
template <typename T> inline T parseString(const std::string &str) {
T result;
std::istringstream iss(str);
@ -22,6 +25,9 @@ template <typename T> inline T parseString(const std::string &str) {
return result;
}
/**
* Splits a given string into a vector by using a delimiter character.
*/
template <typename T>
std::vector<T> tokenize(const std::string &input, char delimiter) {
std::vector<T> tokens;
@ -35,6 +41,9 @@ std::vector<T> tokenize(const std::string &input, char delimiter) {
return tokens;
}
/**
* Opens a file containing CSV and transform it into row-major 2D STL vector.
*/
template <typename T>
std::vector<std::vector<T>> CSVToVector(const char *filename) {
std::ifstream in_file(filename);
@ -55,8 +64,12 @@ std::vector<std::vector<T>> CSVToVector(const char *filename) {
return csv_data;
}
/**
* Converts a 2D STL vector, where values are stored row-major into a
* column-major Eigen::Matrix.
*/
template <typename T>
Eigen::MatrixXd CMVecToRMMatrix(const std::vector<std::vector<T>> &vec,
Eigen::MatrixXd rmVecTocmMatrix(const std::vector<std::vector<T>> &vec,
std::uint32_t exp_rows,
std::uint32_t exp_cols) {
if (exp_rows != vec.size()) {
@ -96,12 +109,12 @@ int main(int argc, char *argv[]) {
grid.setDomain(0.005, 0.01);
const auto init_values_vec = CSVToVector<double>(INPUT_CONC_FILE);
MatrixXd concentrations = CMVecToRMMatrix(init_values_vec, row, col);
MatrixXd concentrations = rmVecTocmMatrix(init_values_vec, row, col);
grid.setConcentrations(concentrations);
// // (optional) set alphas of the grid, e.g.:
const auto alphax_vec = CSVToVector<double>(INPUT_ALPHAX_FILE);
MatrixXd alphax = CMVecToRMMatrix(alphax_vec, row, col);
MatrixXd alphax = rmVecTocmMatrix(alphax_vec, row, col);
constexpr double alphay_val = 5e-10;
MatrixXd alphay = MatrixXd::Constant(row, col, alphay_val); // row,col,value
@ -123,8 +136,8 @@ int main(int argc, char *argv[]) {
// // ************************
// set up a simulation environment
Simulation simulation = Simulation(
grid, bc, BTCS_APPROACH); // grid,boundary,simulation-approach
Simulation simulation =
Simulation(grid, bc, BTCS_APPROACH); // grid,boundary,simulation-approach
// set the timestep of the simulation
simulation.setTimestep(360); // timestep
@ -136,15 +149,9 @@ int main(int argc, char *argv[]) {
// CSV_OUTPUT_VERBOSE]
simulation.setOutputCSV(CSV_OUTPUT_ON);
// set output to the console to 'ON'
simulation.setOutputConsole(CONSOLE_OUTPUT_ON);
// // **** RUN SIMULATION ****
// // run the simulation
// // EASY_BLOCK("SIMULATION")
simulation.run();
// // EASY_END_BLOCK;
// // profiler::dumpBlocksToFile("test_profile.prof");
// // profiler::stopListen();
}