/*----------------------------------+
+     Programmer : Anas Douma       +
+         Course : CS-1             +
+         Sectio : 0115             +
+     Assignment : Program 4        +
+       Due Date : 7 April 2017    +
+----------------------------------*/

#define _USE_MATH_DEFINES

#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>

using namespace std;

int main()
{

    int i, k;
    double min, max, degree = 0, rad, tempdegree = 0;
    cout << fixed << showpoint << setprecision(1);

    cout << "Anas Douma - Computer Science 1 - Program 4\n\n" << "This program will generate tables of tangents.\n" << "(To terminate, enter a number which, when rounded is >= 90 or < 0 )" << endl << endl;
    cout << " ***     ***     ***     ***     ***     ***     ***     ***     ***     ***  " << endl << endl;
    cout << "Minimum and maximum values for left coulumn of table : ";
    cin >> min >> max;
    cout << endl;


    min = (int(min * 10.0 + 0.5)) / 10.0;
    max = (int(max * 10.0 + 0.5)) / 10.0;
    while (min >= 0 && min < 90 && max >= 0 && max < 90) {
        if (max < min) {
            double temp = min;
            min = max;
            max = temp;
        }

        cout << "                        Partial Table of Tangents\n" << "          0      1      2      3      4      5      6      7      8      9\n"; // I want to change it to setw();
        cout << "      ----------------------------------------------------------------------" << endl;

        for (i = 0; degree < max; i++) {
            degree = (min + (i / 10.0));
            cout << setprecision(1) << degree << " | ";
            for (k = 0; k < 10; k++) {
                tempdegree = degree + (k / 100.0);
                rad = tan(tempdegree * (M_PI) / 180);
                if (rad < 10)
                    cout << setprecision(4) << rad << " ";
                else {
                    if (rad < 100)
                        cout << setprecision(3) << rad << " ";
                    else {
                        if (rad < 1000)
                            cout << setprecision(2) << rad << " ";
                        else
                            cout << setprecision(1) << rad << " ";
                    }
                }
            }
            cout << endl;
        }

        cout << "      ----------------------------------------------------------------------" << endl;
        cout << endl;

        cout << "***   ***   ***   ***   ***   ***   ***   ***   ***   ***   ***" << endl << endl;
        cout << "Minimum and maximum values for left coulumn of table : ";
        cin >> min >> max;
        cout << endl;
        min = (int(min * 10.0 + 0.5)) / 10.0;
        max = (int(max * 10.0 + 0.5)) / 10.0;
        tempdegree = 0;
        degree = 0;
    }
    cout << " *** Table generation has been halted *** " << endl;
    cin.get();
    return(0);
}