@@ -9,113 +9,113 @@ |
||
9 | 9 | */ |
10 | 10 | class BigInt |
11 | 11 | { |
12 | - /** |
|
13 | - * Number as a base 10 integer string. |
|
14 | - * |
|
15 | - * @var string |
|
16 | - */ |
|
17 | - private $_num; |
|
12 | + /** |
|
13 | + * Number as a base 10 integer string. |
|
14 | + * |
|
15 | + * @var string |
|
16 | + */ |
|
17 | + private $_num; |
|
18 | 18 | |
19 | - /** |
|
20 | - * Number as an integer type. |
|
21 | - * |
|
22 | - * @internal Lazily initialized |
|
23 | - * |
|
24 | - * @var null|int |
|
25 | - */ |
|
26 | - private $_intNum; |
|
19 | + /** |
|
20 | + * Number as an integer type. |
|
21 | + * |
|
22 | + * @internal Lazily initialized |
|
23 | + * |
|
24 | + * @var null|int |
|
25 | + */ |
|
26 | + private $_intNum; |
|
27 | 27 | |
28 | - /** |
|
29 | - * Constructor. |
|
30 | - * |
|
31 | - * @param int|string $num Integer number in base 10 |
|
32 | - */ |
|
33 | - public function __construct($num) |
|
34 | - { |
|
35 | - $this->_num = strval($num); |
|
36 | - } |
|
28 | + /** |
|
29 | + * Constructor. |
|
30 | + * |
|
31 | + * @param int|string $num Integer number in base 10 |
|
32 | + */ |
|
33 | + public function __construct($num) |
|
34 | + { |
|
35 | + $this->_num = strval($num); |
|
36 | + } |
|
37 | 37 | |
38 | - /** |
|
39 | - * @return string |
|
40 | - */ |
|
41 | - public function __toString(): string |
|
42 | - { |
|
43 | - return $this->base10(); |
|
44 | - } |
|
38 | + /** |
|
39 | + * @return string |
|
40 | + */ |
|
41 | + public function __toString(): string |
|
42 | + { |
|
43 | + return $this->base10(); |
|
44 | + } |
|
45 | 45 | |
46 | - /** |
|
47 | - * Get the number as a base 10 integer string. |
|
48 | - * |
|
49 | - * @return string |
|
50 | - */ |
|
51 | - public function base10(): string |
|
52 | - { |
|
53 | - return $this->_num; |
|
54 | - } |
|
46 | + /** |
|
47 | + * Get the number as a base 10 integer string. |
|
48 | + * |
|
49 | + * @return string |
|
50 | + */ |
|
51 | + public function base10(): string |
|
52 | + { |
|
53 | + return $this->_num; |
|
54 | + } |
|
55 | 55 | |
56 | - /** |
|
57 | - * Get the number as an integer. |
|
58 | - * |
|
59 | - * @throws \RuntimeException If number overflows integer size |
|
60 | - * |
|
61 | - * @return int |
|
62 | - */ |
|
63 | - public function intVal(): int |
|
64 | - { |
|
65 | - if (!isset($this->_intNum)) { |
|
66 | - $num = $this->gmpObj(); |
|
67 | - if (gmp_cmp($num, $this->_intMaxGmp()) > 0) { |
|
68 | - throw new \RuntimeException('Integer overflow.'); |
|
69 | - } |
|
70 | - if (gmp_cmp($num, $this->_intMinGmp()) < 0) { |
|
71 | - throw new \RuntimeException('Integer underflow.'); |
|
72 | - } |
|
73 | - $this->_intNum = gmp_intval($num); |
|
74 | - } |
|
75 | - return $this->_intNum; |
|
76 | - } |
|
56 | + /** |
|
57 | + * Get the number as an integer. |
|
58 | + * |
|
59 | + * @throws \RuntimeException If number overflows integer size |
|
60 | + * |
|
61 | + * @return int |
|
62 | + */ |
|
63 | + public function intVal(): int |
|
64 | + { |
|
65 | + if (!isset($this->_intNum)) { |
|
66 | + $num = $this->gmpObj(); |
|
67 | + if (gmp_cmp($num, $this->_intMaxGmp()) > 0) { |
|
68 | + throw new \RuntimeException('Integer overflow.'); |
|
69 | + } |
|
70 | + if (gmp_cmp($num, $this->_intMinGmp()) < 0) { |
|
71 | + throw new \RuntimeException('Integer underflow.'); |
|
72 | + } |
|
73 | + $this->_intNum = gmp_intval($num); |
|
74 | + } |
|
75 | + return $this->_intNum; |
|
76 | + } |
|
77 | 77 | |
78 | - /** |
|
79 | - * Get the number as a `GMP` object. |
|
80 | - * |
|
81 | - * @throws \RuntimeException if number is not a valid integer |
|
82 | - * |
|
83 | - * @return \GMP |
|
84 | - */ |
|
85 | - public function gmpObj(): \GMP |
|
86 | - { |
|
87 | - $num = @gmp_init($this->_num, 10); |
|
88 | - if (false === $num) { |
|
89 | - throw new \RuntimeException("Unable to convert {$this->_num} to integer."); |
|
90 | - } |
|
91 | - return $num; |
|
92 | - } |
|
78 | + /** |
|
79 | + * Get the number as a `GMP` object. |
|
80 | + * |
|
81 | + * @throws \RuntimeException if number is not a valid integer |
|
82 | + * |
|
83 | + * @return \GMP |
|
84 | + */ |
|
85 | + public function gmpObj(): \GMP |
|
86 | + { |
|
87 | + $num = @gmp_init($this->_num, 10); |
|
88 | + if (false === $num) { |
|
89 | + throw new \RuntimeException("Unable to convert {$this->_num} to integer."); |
|
90 | + } |
|
91 | + return $num; |
|
92 | + } |
|
93 | 93 | |
94 | - /** |
|
95 | - * Get the maximum integer value. |
|
96 | - * |
|
97 | - * @return \GMP |
|
98 | - */ |
|
99 | - private function _intMaxGmp(): \GMP |
|
100 | - { |
|
101 | - static $gmp; |
|
102 | - if (!isset($gmp)) { |
|
103 | - $gmp = gmp_init(PHP_INT_MAX, 10); |
|
104 | - } |
|
105 | - return $gmp; |
|
106 | - } |
|
94 | + /** |
|
95 | + * Get the maximum integer value. |
|
96 | + * |
|
97 | + * @return \GMP |
|
98 | + */ |
|
99 | + private function _intMaxGmp(): \GMP |
|
100 | + { |
|
101 | + static $gmp; |
|
102 | + if (!isset($gmp)) { |
|
103 | + $gmp = gmp_init(PHP_INT_MAX, 10); |
|
104 | + } |
|
105 | + return $gmp; |
|
106 | + } |
|
107 | 107 | |
108 | - /** |
|
109 | - * Get the minimum integer value. |
|
110 | - * |
|
111 | - * @return \GMP |
|
112 | - */ |
|
113 | - private function _intMinGmp(): \GMP |
|
114 | - { |
|
115 | - static $gmp; |
|
116 | - if (!isset($gmp)) { |
|
117 | - $gmp = gmp_init(PHP_INT_MIN, 10); |
|
118 | - } |
|
119 | - return $gmp; |
|
120 | - } |
|
108 | + /** |
|
109 | + * Get the minimum integer value. |
|
110 | + * |
|
111 | + * @return \GMP |
|
112 | + */ |
|
113 | + private function _intMinGmp(): \GMP |
|
114 | + { |
|
115 | + static $gmp; |
|
116 | + if (!isset($gmp)) { |
|
117 | + $gmp = gmp_init(PHP_INT_MIN, 10); |
|
118 | + } |
|
119 | + return $gmp; |
|
120 | + } |
|
121 | 121 | } |