Function f

examples/forward/example-forward-multi-variable-function.cpp:9–12

The multi-variable function for which derivatives are needed

// The multi-variable function for which derivatives are needed
dual f(dual x, dual y, dual z)
{
    return 1 + x + y + z + x*y + y*z + x*z + x*y*z + exp(x/y + y/z);
}

int main()
{