func determinePseudoPhase()

in cpc/cpc_compressed_state.go [1093:1125]

• 31 lines of code
• 10 McCabe index (conditional complexity)

func determinePseudoPhase(lgK int, numCoupons int64) int {
	k := int64(1) << uint(lgK)
	c := numCoupons
	// Midrange logic.
	if (1000 * c) < (2375 * k) {
		if (4 * c) < (3 * k) {
			return 16 + 0
		} else if (10 * c) < (11 * k) {
			return 16 + 1
		} else if (100 * c) < (132 * k) {
			return 16 + 2
		} else if (3 * c) < (5 * k) {
			return 16 + 3
		} else if (1000 * c) < (1965 * k) {
			return 16 + 4
		} else if (1000 * c) < (2275 * k) {
			return 16 + 5
		} else {
			return 6 // steady-state table employed before its actual phase.
		}
	} else {
		// Steady-state logic.
		if lgK < 4 {
			panic("determinePseudoPhase: lgK must be at least 4")
		}
		tmp := c >> uint(lgK-4)
		phase := int(tmp & 15)
		if phase < 0 || phase >= 16 {
			panic(fmt.Sprintf("determinePseudoPhase: phase out of range: %d", phase))
		}
		return phase
	}
}