#include <ql/quantlib.hpp>

using namespace QuantLib;

namespace Foo {

int bar(int i) {

QL_TRACE_ENTER_FUNCTION;

QL_TRACE_VARIABLE(i);

if (i == 42) {

QL_TRACE_LOCATION;

QL_TRACE("Right answer, but no question");

} else {

QL_TRACE_LOCATION;

QL_TRACE("Wrong answer");

i *= 2;

}

QL_TRACE_VARIABLE(i);

QL_TRACE_EXIT_FUNCTION;

return i;

}

}

int foo(int i) {

using namespace Foo;

QL_TRACE_ENTER_FUNCTION;

int j = bar(i);

int k = bar(j);

QL_TRACE_EXIT_FUNCTION;

return k;

}

int main() {

QL_TRACE_ENABLE;

QL_TRACE_ENTER_FUNCTION;

int i = foo(21);

QL_TRACE_EXIT_FUNCTION;

return 0;

}