refactor of sample

samples/sample.cpp

@@ -1,47 +1,74 @@
 #define _USE_MATH_DEFINES
-//#define __DEBUG__
 
 #include <iostream>
 #include <iomanip>
 #include <fstream>
+#include <iterator>
 
 #include "test_FDTD.h"
 #include "Writer.h"
 
-#ifndef __DEBUG__
+char get_axis(Component field_E, Component field_B)
+{
+    char selected_axis;
+    if (field_E == Component::EY && field_B == Component::BZ ||
+        field_E == Component::EZ && field_B == Component::BY)
+    {
+        selected_axis = 'x';
+    }
+    else if (field_E == Component::EX && field_B == Component::BZ ||
+             field_E == Component::EZ && field_B == Component::BX)
+    {
+        selected_axis = 'y';
+    }
+    else
+    {
+        std::cout << "ERROR" << std::endl;
+        exit(1);
+    }
+}
+
 int main(int argc, char* argv[])
-#else
-int main()
-#endif
 {
-    std::vector<double> numbers;
     std::ifstream source_fin;
+    char* outfile_path;
 
-#ifndef __DEBUG__
-    source_fin.open("Source.txt");
-#else
-    source_fin.open("../../PlotScript/Source.txt");
-#endif
+    std::vector<char*> arguments(argv, argv + argc);
+    if (argc == 1) 
+    {
+        source_fin.open("../../PlotScript/Source.txt");
+        outfile_path = "OutFile.csv";
 
+        const size_t size_tmp = 5;
+        char* tmp[size_tmp]{ "1", "2", "3", "2", "1" };
+
+        arguments.clear();
+        arguments.reserve(size_tmp);
+        std::copy(std::begin(tmp), std::end(tmp), std::back_inserter(arguments));
+    }
+    else
+    {
+        source_fin.open("Source.txt");
+        outfile_path = "../../PlotScript/OutFile.csv";
+    }
     if (!source_fin.is_open())
     {
         std::cout << "ERROR: Failed to open Source.txt" << std::endl;
         return 1;
     }
 
-#ifdef __DEBUG__
-    const char* argv[5] = { "1", "2", "3", "2", "1" };
-#endif
 
     // Saving data from the console
-    Component selected_field_1 = static_cast<Component>(std::atoi(argv[1]));
-    Component selected_field_2 = static_cast<Component>(std::atoi(argv[2]));
-    Component fld_tested = static_cast<Component>(std::atoi(argv[3]));
-    bool version_flag = static_cast<bool>(std::atoi(argv[4]));
+    Component selected_field_1 = static_cast<Component>(std::atoi(arguments[1]));
+    Component selected_field_2 = static_cast<Component>(std::atoi(arguments[2]));
+    Component fld_tested = static_cast<Component>(std::atoi(arguments[3]));
+    bool version_flag = static_cast<bool>(std::atoi(arguments[4]));
 
     Component flds_selected[2] = { selected_field_1, selected_field_2 };
 
+
     // Saving data from the txt file
+    std::vector<double> numbers;
     double number;
     while (source_fin >> number)
     {
@@ -58,6 +85,7 @@ int main()
 
     source_fin.close();
 
+
     // Initialization of the initializing function and the true solution function
     std::function<double(double, double[2])> initial_func =
         [](double x, double size[2]) {
@@ -68,32 +96,21 @@ int main()
         return sin(2.0 * M_PI * (x - size[0] - FDTD_Const::C * t) / (size[1] - size[0]));
     };
 
+
     // Determination of the wave propagation axis
-    char selected_axis;
-    if (flds_selected[0] == Component::EY && flds_selected[1] == Component::BZ ||
-        flds_selected[0] == Component::EZ && flds_selected[1] == Component::BY)
-    {
-        selected_axis = 'x';
-    }
-    else if (flds_selected[0] == Component::EX && flds_selected[1] == Component::BZ ||
-        flds_selected[0] == Component::EZ && flds_selected[1] == Component::BX)
-    {
-        selected_axis = 'y';
-    }
-    else
-    {
-        std::cout << "ERROR" << std::endl;
-        exit(1);
-    }
+    char axis = get_axis(flds_selected[0], flds_selected[1]);
+
 
     // Meaningful calculations
     FDTD test_1(grid_sizes, sizes_x, sizes_y, time_step);
-    SelectedFields current_fields{ 
+    SelectedFields current_fields
+    { 
         flds_selected[0], 
         flds_selected[1], 
         fld_tested 
     };
-    Parameters params{ 
+    Parameters params
+    { 
         sizes_x[0], 
         sizes_x[1], 
         sizes_y[0], 
@@ -103,21 +120,17 @@ int main()
         time, 
         iterations_num 
     };
-    Functions funcs{
+    Functions funcs
+    {
         initial_func,
         true_func
     };
     Test_FDTD test(test_1, current_fields, params, funcs, version_flag);
     std::cout << test.get_max_abs_error() << std::endl;
 
+
     // Writing the results to a file
-    char* file_path;
-#ifndef __DEBUG__
-    file_path = "OutFile.csv";
-#else
-    file_path = "../../PlotScript/OutFile.csv";
-#endif
-    write_all(test_1, selected_axis, file_path);
+    write_all(test_1, axis, outfile_path);
 
     return 0;
 }