#include "input.h"
#define a0 -0.62831853071
#define b0 0.62831853071
using namespace std;

void input(double &a, double &b, double &h,double &eps){
    cout<<"Please, insert the following variables: \n";
    cout<<"a: ";
    while(1){
            cin >>a;
            if(!cin.good() || a>a0){
                cout <<"Incorrect data, please input new one"<< endl;
                cin.clear();
                cin.sync();
            }
    }
    cout<<"b: ";
    while(1){
            cin >>b;
            if(!cin.good() || b>b0){
                cout <<"Incorrect data, please input new one"<< endl;
                cin.clear();
                cin.sync();
            }
    }
    cout<<"h: ";
    while(1){
            cin >>h;
            if(!cin.good()){
                cout <<"Incorrect data, please input new one"<< endl;
                cin.clear();
                cin.sync();
            }
    }
    cout<<"epsilon: ";
    while(1){
            cin >>eps;
            if(!cin.good()){
                cout <<"Incorrect data, please input new one"<< endl;
                cin.clear();
                cin.sync();
            }
    }
}