#include <iostream>
#include <kv/defint-singular.hpp>

typedef kv::interval<double> itv;

struct LogSinCos {
	template <class T> T operator()(const T& x) {
		return log(sin(x)) * cos(x);
	}
};

struct LogSinCos_f {
	template <class T> T operator()(const T& x) {
		return sin(x);
	}
};

struct LogSinCos_g {
	template <class T> T operator()(const T& x) {
		return cos(x);
	}
};

int main() {
	std::cout.precision(17);

	std::cout << kv::defint_log3_autostep(LogSinCos(), LogSinCos_f(), LogSinCos_g(), (itv)0., (itv)1., 12) << "\n";
}