example4_special_functions.cpp

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#include <iostream>
#include <cmath>

int main() {
    double x = 2.5;
    int n = 3;

    std::cout << "Gamma function of " << x << ": " << std::tgamma(x) << std::endl;
    std::cout << "Error function of " << x << ": " << std::erf(x) << std::endl;
    std::cout << "Hyperbolic sine of " << x << ": " << std::sinh(x) << std::endl;
    std::cout << "Largest integer not greater than " << x << ": " << std::floor(x) << std::endl;

    return 0;
}