How I can integrate it?!

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Consider some function $f(x)\in C^\infty(\mathbb{R})$. How can I integrate $\int_0^1 e^fdx$? Is there some theorem or maybe special cases?

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In case of integrating by antiderivatives, there is not always a solution. For example: $e^{x^2}$ has no antiderivative. Numerical integration is a good option, because of continuity.