cleentfaar /
matrix
| @@ 50-60 (lines=11) @@ | ||
| 47 | * |
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| 48 | * @return Element |
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| 49 | */ |
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| 50 | public function getElement($offset) |
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| 51 | { |
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| 52 | if (!array_key_exists($offset, $this->elements)) { |
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| 53 | throw new \InvalidArgumentException(sprintf( |
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| 54 | 'There is no element in this vector with that offset: %s', |
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| 55 | $offset |
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| 56 | )); |
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| 57 | } |
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| 58 | ||
| 59 | return $this->elements[$offset]; |
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| 60 | } |
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| 61 | ||
| 62 | /** |
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| 63 | * @return Element[] |
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| @@ 59-69 (lines=11) @@ | ||
| 56 | * |
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| 57 | * @return Row |
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| 58 | */ |
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| 59 | public function getRow($offset) |
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| 60 | { |
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| 61 | if (!array_key_exists($offset, $this->rows)) { |
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| 62 | throw new \InvalidArgumentException(sprintf( |
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| 63 | 'There is no row in this matrix with that offset: %s', |
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| 64 | $offset |
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| 65 | )); |
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| 66 | } |
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| 67 | ||
| 68 | return $this->rows[$offset]; |
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| 69 | } |
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| 70 | ||
| 71 | /** |
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| 72 | * @return Row[] |
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| @@ 118-128 (lines=11) @@ | ||
| 115 | * |
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| 116 | * @return Column |
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| 117 | */ |
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| 118 | public function getColumn($offset) |
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| 119 | { |
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| 120 | if (!array_key_exists($offset, $this->columns)) { |
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| 121 | throw new \InvalidArgumentException(sprintf( |
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| 122 | 'There is no column in this matrix with that offset: %s', |
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| 123 | $offset |
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| 124 | )); |
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| 125 | } |
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| 126 | ||
| 127 | return $this->columns[$offset]; |
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| 128 | } |
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| 129 | ||
| 130 | /** |
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| 131 | * @return Column[] |
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