Вычислить значение функции

#include <iostream>
#include <cmath>
 
int main()
{
    constexpr double pi = 3.14159265359;
    constexpr double e = 2.71828183;
 
    std::cout << "Enter x value: ";
    double x{};
    std::cin >> x;
 
    std::cout << "Enter a value: ";
    double a{};
    std::cin >> a;
 
    double numerator = atan(1 + pow(x, 2) - cbrt(e + pow(pi, 2)) + 11.3 * pow(e, -abs(x)));
    double denominator = sin(a * x + sqrt(pi)) - log(1 + pow(e, pow(x, 2)));
    double result = numerator / denominator;
 
    std::cout << "Result: " << result << std::endl;
 
    return 0;
}

std::acos(-1)

std::exp(1)

#include <numbers>
std::numbers::pi
std::numbers::e

std::exp(x * x)
std::exp(-std::abs(x))

#include <iostream>
#include <cmath>
#include <numbers>
 
int main()
{
    constexpr double pi = std::numbers::pi;
    constexpr double e = std::numbers::e;
 
    std::cout << "Enter x value: ";
    double x{};
    std::cin >> x;
 
    std::cout << "Enter a value: ";
    double a{};
    std::cin >> a;
 
    double numerator = atan(1 + pow(x, 2) - cbrt(e + pow(pi, 2)) + 11.3 * exp(-abs(x)));
    double denominator = sin(a * x + sqrt(pi)) - log(1 + exp(pow(x, 2)));
    double result = numerator / denominator;
 
    std::cout << "Result: " << result << std::endl;
 
    return 0;
}