made transpose lazy

brkyvz · brkyvz · commit 33e921930f0f · 2015-01-29T17:09:56.000-08:00
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/BlockMatrix.scala
@@ -238,7 +238,7 @@ class BlockMatrix(
     val transposedBlocks = blocks.map { case ((blockRowIndex, blockColIndex), mat) =>
       ((blockColIndex, blockRowIndex), mat.transpose)
     }
-    new BlockMatrix(transposedBlocks, colsPerBlock, rowsPerBlock, numCols(), numRows())
+    new BlockMatrix(transposedBlocks, colsPerBlock, rowsPerBlock, nCols, nRows)
   }
 
   /** Collects data and assembles a local dense breeze matrix (for test only). */

Original file line number	Diff line number	Diff line change
`@@ -238,7 +238,7 @@ class BlockMatrix(`
`238`	`238`	`val transposedBlocks = blocks.map { case ((blockRowIndex, blockColIndex), mat) =>`
`239`	`239`	`((blockColIndex, blockRowIndex), mat.transpose)`
`240`	`240`	`}`
`241`		`- new BlockMatrix(transposedBlocks, colsPerBlock, rowsPerBlock, numCols(), numRows())`
	`241`	`+ new BlockMatrix(transposedBlocks, colsPerBlock, rowsPerBlock, nCols, nRows)`
`242`	`242`	`}`
`243`	`243`
`244`	`244`	`/** Collects data and assembles a local dense breeze matrix (for test only). */`