@@ -19,7 +19,7 @@ discard block |
||
19 | 19 | * @param matrix|vector $d |
20 | 20 | * @return matrix|vector |
21 | 21 | */ |
22 | - public function max(matrix|vector $d): matrix|vector { |
|
22 | + public function max(matrix | vector $d): matrix | vector { |
|
23 | 23 | if ($this instanceof matrix && $d instanceof matrix && $this->checkShape($this, $d) && $this->checkDtype($this, $d)) { |
24 | 24 | $r = self::factory($this->row, $this->col, $this->dtype); |
25 | 25 | } elseif ($this instanceof vector && $d instanceof vector && $this->checkShape($this, $d) && $this->checkDtype($this, $d)) { |
@@ -36,7 +36,7 @@ discard block |
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36 | 36 | * @param matrix|vector $d |
37 | 37 | * @return matrix|vector |
38 | 38 | */ |
39 | - public function min(matrix|vector $d): matrix|vector { |
|
39 | + public function min(matrix | vector $d): matrix | vector { |
|
40 | 40 | if ($this instanceof matrix && $d instanceof matrix && $this->checkShape($this, $d) && $this->checkDtype($this, $d)) { |
41 | 41 | $r = self::factory($this->row, $this->col, $this->dtype); |
42 | 42 | } elseif ($this instanceof vector && $d instanceof vector && $this->checkShape($this, $d) && $this->checkDtype($this, $d)) { |
@@ -53,7 +53,7 @@ discard block |
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53 | 53 | * @param callable $func |
54 | 54 | * @return matrix|vector |
55 | 55 | */ |
56 | - public function map(callable $func): matrix|vector { |
|
56 | + public function map(callable $func): matrix | vector { |
|
57 | 57 | if ($this instanceof matrix) { |
58 | 58 | $r = self::factory($this->row, $this->col, $this->dtype); |
59 | 59 | } else { |
@@ -65,23 +65,23 @@ discard block |
||
65 | 65 | return $r; |
66 | 66 | } |
67 | 67 | |
68 | - public function abs(): matrix|vector { |
|
68 | + public function abs(): matrix | vector { |
|
69 | 69 | return $this->map('abs'); |
70 | 70 | } |
71 | 71 | |
72 | - public function sqrt(): matrix|vector { |
|
72 | + public function sqrt(): matrix | vector { |
|
73 | 73 | return $this->map('sqrt'); |
74 | 74 | } |
75 | 75 | |
76 | - public function exp(): matrix|vector { |
|
76 | + public function exp(): matrix | vector { |
|
77 | 77 | return $this->map('exp'); |
78 | 78 | } |
79 | 79 | |
80 | - public function exp1(): matrix|vector { |
|
80 | + public function exp1(): matrix | vector { |
|
81 | 81 | return $this->map('exp1'); |
82 | 82 | } |
83 | 83 | |
84 | - public function log(float $b = M_E): matrix|vector { |
|
84 | + public function log(float $b = M_E): matrix | vector { |
|
85 | 85 | $ar = $this->copy(); |
86 | 86 | for ($i = 0; $i < $ar->ndim; ++$i) { |
87 | 87 | log($ar->data[$i], $b); |
@@ -134,7 +134,7 @@ discard block |
||
134 | 134 | } |
135 | 135 | |
136 | 136 | public function free():void { |
137 | - if($this instanceof matrix) { |
|
137 | + if ($this instanceof matrix) { |
|
138 | 138 | unset($this->row); |
139 | 139 | unset($this->col); |
140 | 140 | unset($this->ndim); |
@@ -150,7 +150,7 @@ discard block |
||
150 | 150 | * make a copy of matrix|vector; |
151 | 151 | * @return matrix|vector |
152 | 152 | */ |
153 | - public function copy(): matrix|vector { |
|
153 | + public function copy(): matrix | vector { |
|
154 | 154 | return clone $this; |
155 | 155 | } |
156 | 156 | |
@@ -162,7 +162,7 @@ discard block |
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162 | 162 | * @param float $max |
163 | 163 | * @return matrix |
164 | 164 | */ |
165 | - public function clip(float $min, float $max): matrix|vector { |
|
165 | + public function clip(float $min, float $max): matrix | vector { |
|
166 | 166 | if ($this instanceof matrix) { |
167 | 167 | $ar = self::factory($this->row, $this->col, $this->dtype); |
168 | 168 | } else { |
@@ -209,7 +209,7 @@ discard block |
||
209 | 209 | * @param float $max |
210 | 210 | * @return matrix |
211 | 211 | */ |
212 | - public function clipUpper(float $max): matrix|vector { |
|
212 | + public function clipUpper(float $max): matrix | vector { |
|
213 | 213 | if ($this instanceof matrix) { |
214 | 214 | $ar = self::factory($this->row, $this->col, $this->dtype); |
215 | 215 | } else { |