namespace Spreadsheetns {
    ACosFormula::ACosFormula() {
	//empty
    }

    ACosFormula::ACosFormula(IFormula* formula) : IOneArgFormula(formula) {
	if((formula->getResult() < -1) || (formula->getResult() > 1)) {
	    throw DomainErrorException("acos is defined in de range [-1 , 1]");
	}
    }

    double ACosFormula::getResult(){
	if((fArgument->getResult() < -1) || (fArgument->getResult() > 1)) {
	    throw DomainErrorException("acos is defined in de range [-1 , 1]");
	}
	return (acos(fArgument->getResult()) * 180/DEF_PI);
    }
}
namespace foo {
    class bar {
        bar() {};
    };
    namespace foo1 {
        class bar {
	    bar() {};
	};
    }
    int fff(void) {
    }
};
class bar {
    bar() {};
};
namespace {
    class bar {
	bar() {};
    };
}
// Inspiration for adding namespaces and some of this test come
// from Bart Van Rompaey
