1*5a6e8488SAndroid Build Coastguard Workerpi(5) 2*5a6e8488SAndroid Build Coastguard Workerp=pi(scale) 3*5a6e8488SAndroid Build Coastguard Workerr2d(-p) 4*5a6e8488SAndroid Build Coastguard Workerd2r(180) 5*5a6e8488SAndroid Build Coastguard Workerd2r(-180) 6