func math.trigReduce

5 uses

	math (current package)
		sin.go#L143: 		j, z = trigReduce(x)
		sin.go#L214: 		j, z = trigReduce(x)
		sincos.go#L39: 		j, z = trigReduce(x)
		tan.go#L112: 		j, z = trigReduce(x)
		trig_reduce.go#L29: func trigReduce(x float64) (j uint64, z float64) {