Using Objective-C++ from Swift

CCswiftTest.swift

func testCreateDeleteMaleCalculate() {
    guard let cc = PKMCreatinineClearance(40, height: 75, weight: 70, scr: 1.0, gender: PKMMale) else {
        XCTFail("Create Creatinine Clearance Male Instance failed")
        return
    }
    let clcr = cc.calculate()
    XCTAssertEqualWithAccuracy(clcr, 97.2, accuracy: 0.2, "Male clcr should be around 97.2, range allowed to be +/- 0.2")
}