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First test passes!

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The second one... not so much ;-)
This commit is contained in:
Jeff Moser
2010-10-02 23:22:01 -04:00
parent 124d73fdbf
commit 2c3c35dbff
2 changed files with 48 additions and 27 deletions
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36
PHPSkills/Numerics/Matrix.php
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@ -16,6 +16,24 @@ class Matrix
$this->_matrixRowData = $matrixData;
}
public static function fromColumnValues($rows, $columns, $columnValues)
{
$data = array();
$result = new Matrix($rows, $columns, $data);
for($currentColumn = 0; $currentColumn < $columns; $currentColumn++)
{
$currentColumnData = $columnValues[$currentColumn];
for($currentRow = 0; $currentRow < $rows; $currentRow++)
{
$result->setValue($currentRow, $currentColumn, $currentColumnData[$currentRow]);
}
}
return $result;
}
public static function fromRowsColumns()
{
$args = \func_get_args();
@ -60,6 +78,7 @@ class Matrix
// Just flip everything
$transposeMatrix = array();
$rowMatrixData = $this->_matrixRowData;
for ($currentRowTransposeMatrix = 0;
$currentRowTransposeMatrix < $this->_columnCount;
$currentRowTransposeMatrix++)
@ -69,7 +88,7 @@ class Matrix
$currentColumnTransposeMatrix++)
{
$transposeMatrix[$currentRowTransposeMatrix][$currentColumnTransposeMatrix] =
$this->_matrixRowData[$currentColumnTransposeMatrix][$currentRowTransposeMatrix];
$rowMatrixData[$currentColumnTransposeMatrix][$currentRowTransposeMatrix];
}
}
@ -92,7 +111,7 @@ class Matrix
if ($this->_rowCount == 1)
{
// Really happy path :)
return $this->_matrixRowValues[0][0];
return $this->_matrixRowData[0][0];
}
if ($this->_rowCount == 2)
@ -356,7 +375,12 @@ class Vector extends Matrix
{
public function __construct(array $vectorValues)
{
parent::__construct(count($vectorValues), 1, array($vectorValues));
$columnValues = array();
foreach($vectorValues as $currentVectorValue)
{
$columnValues[] = array($currentVectorValue);
}
parent::__construct(count($vectorValues), 1, $columnValues);
}
}
@ -406,11 +430,7 @@ class DiagonalMatrix extends Matrix
$this->setValue($currentRow, $currentCol, 0);
}
}
}
for($i = 0; $i < $diagonalCount; $i++)
{
$this->setValue($i, $i, $diagonalValues[$i]);
}
}
}
}