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Posted to commits@spark.apache.org by sr...@apache.org on 2016/08/27 07:46:05 UTC

spark git commit: [ML][MLLIB] The require condition and message doesn't match in SparseMatrix.

Repository: spark
Updated Branches:
  refs/heads/master cd0ed31ea -> 40168dbe7


[ML][MLLIB] The require condition and message doesn't match in SparseMatrix.

## What changes were proposed in this pull request?
The require condition and message doesn't match, and the condition also should be optimized.
Small change.  Please kindly let me know if JIRA required.

## How was this patch tested?
No additional test required.

Author: Peng, Meng <pe...@intel.com>

Closes #14824 from mpjlu/smallChangeForMatrixRequire.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/40168dbe
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/40168dbe
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/40168dbe

Branch: refs/heads/master
Commit: 40168dbe771ae662ed61851a1f3c677dd14fe344
Parents: cd0ed31
Author: Peng, Meng <pe...@intel.com>
Authored: Sat Aug 27 08:46:01 2016 +0100
Committer: Sean Owen <so...@cloudera.com>
Committed: Sat Aug 27 08:46:01 2016 +0100

----------------------------------------------------------------------
 .../main/scala/org/apache/spark/ml/linalg/Matrices.scala | 11 +++++++----
 .../scala/org/apache/spark/mllib/linalg/Matrices.scala   | 11 +++++++----
 2 files changed, 14 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/40168dbe/mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala
----------------------------------------------------------------------
diff --git a/mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala b/mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala
index 0ea687b..f1ecc65 100644
--- a/mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala
+++ b/mllib-local/src/main/scala/org/apache/spark/ml/linalg/Matrices.scala
@@ -454,10 +454,13 @@ class SparseMatrix @Since("2.0.0") (
 
   require(values.length == rowIndices.length, "The number of row indices and values don't match! " +
     s"values.length: ${values.length}, rowIndices.length: ${rowIndices.length}")
-  // The Or statement is for the case when the matrix is transposed
-  require(colPtrs.length == numCols + 1 || colPtrs.length == numRows + 1, "The length of the " +
-    "column indices should be the number of columns + 1. Currently, colPointers.length: " +
-    s"${colPtrs.length}, numCols: $numCols")
+  if (isTransposed) {
+    require(colPtrs.length == numRows + 1,
+      s"Expecting ${numRows + 1} colPtrs when numRows = $numRows but got ${colPtrs.length}")
+  } else {
+    require(colPtrs.length == numCols + 1,
+      s"Expecting ${numCols + 1} colPtrs when numCols = $numCols but got ${colPtrs.length}")
+  }
   require(values.length == colPtrs.last, "The last value of colPtrs must equal the number of " +
     s"elements. values.length: ${values.length}, colPtrs.last: ${colPtrs.last}")
 

http://git-wip-us.apache.org/repos/asf/spark/blob/40168dbe/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala
----------------------------------------------------------------------
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala
index e8f3438..4c39cf1 100644
--- a/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala
+++ b/mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala
@@ -572,10 +572,13 @@ class SparseMatrix @Since("1.3.0") (
 
   require(values.length == rowIndices.length, "The number of row indices and values don't match! " +
     s"values.length: ${values.length}, rowIndices.length: ${rowIndices.length}")
-  // The Or statement is for the case when the matrix is transposed
-  require(colPtrs.length == numCols + 1 || colPtrs.length == numRows + 1, "The length of the " +
-    "column indices should be the number of columns + 1. Currently, colPointers.length: " +
-    s"${colPtrs.length}, numCols: $numCols")
+  if (isTransposed) {
+    require(colPtrs.length == numRows + 1,
+      s"Expecting ${numRows + 1} colPtrs when numRows = $numRows but got ${colPtrs.length}")
+  } else {
+    require(colPtrs.length == numCols + 1,
+      s"Expecting ${numCols + 1} colPtrs when numCols = $numCols but got ${colPtrs.length}")
+  }
   require(values.length == colPtrs.last, "The last value of colPtrs must equal the number of " +
     s"elements. values.length: ${values.length}, colPtrs.last: ${colPtrs.last}")
 


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