}
				return -1, false
			}
			return 0, true
		}
	}
	if fraction {
		if base > 0 {
			value++
		} else {
			value--
		}
	}
	return value, !fraction
}

func pow10Int64(b int64) int64 {
	switch b {
	case 0:
		return 1
	case 1:
		return 10
	case 2:
		return 100
	case 3:
		return 1000
	case 4:
		return 10000
	case 5:
		return 100000
	case 6: