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The following commit(s) were added to refs/heads/main by this push:
     new 734c569f52 [SYSTEMDS-2316] Fix data/value type propagation on 
add-assign operators
734c569f52 is described below

commit 734c569f5233698228d13b2560db0b9ff0547137
Author: Matthias Boehm <[email protected]>
AuthorDate: Sun Jul 2 20:48:30 2023 +0200

    [SYSTEMDS-2316] Fix data/value type propagation on add-assign operators
    
    This patch fixes the data and value type propagation of mixed-type
    add-assign operators during parsing. So far, X+=i only worked
    correctly for matrix-matrix and scalar-scalar, but not matrix-scalar
    operations. The runtime was able to tolerate incorrect values types
    for scalar-scalar, which we now also correctly propagate.
---
 .../org/apache/sysds/parser/StatementBlock.java    |  5 +-
 .../functions/misc/AdditionAssignmentTest.java     | 68 ++++++++++++++++++++++
 src/test/scripts/functions/misc/AddAssign.dml      | 36 ++++++++++++
 3 files changed, 108 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/sysds/parser/StatementBlock.java 
b/src/main/java/org/apache/sysds/parser/StatementBlock.java
index 3deb6a8001..315f15e51a 100644
--- a/src/main/java/org/apache/sysds/parser/StatementBlock.java
+++ b/src/main/java/org/apache/sysds/parser/StatementBlock.java
@@ -974,7 +974,10 @@ public class StatementBlock extends LiveVariableAnalysis 
implements ParseInfo
                }
                // CASE: target NOT indexed identifier
                else if (!(target instanceof IndexedIdentifier)){
-                       target.setProperties(source.getOutput());
+                       if( as.isAccumulator() && 
ids.containsVariable(target.getName()) )
+                               
target.setProperties(ids.getVariable(target.getName()));
+                       else
+                               target.setProperties(source.getOutput());
                        if (source.getOutput() instanceof IndexedIdentifier)
                                
target.setDimensions(source.getOutput().getDim1(), 
source.getOutput().getDim2());
                }
diff --git 
a/src/test/java/org/apache/sysds/test/functions/misc/AdditionAssignmentTest.java
 
b/src/test/java/org/apache/sysds/test/functions/misc/AdditionAssignmentTest.java
new file mode 100644
index 0000000000..e4680e0fff
--- /dev/null
+++ 
b/src/test/java/org/apache/sysds/test/functions/misc/AdditionAssignmentTest.java
@@ -0,0 +1,68 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.sysds.test.functions.misc;
+
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.apache.sysds.runtime.matrix.data.MatrixValue.CellIndex;
+import org.apache.sysds.test.AutomatedTestBase;
+import org.apache.sysds.test.TestConfiguration;
+import org.apache.sysds.test.TestUtils;
+
+public class AdditionAssignmentTest extends AutomatedTestBase 
+{
+       private final static String TEST_NAME1 = "AddAssign";
+       
+       private final static String TEST_DIR = "functions/misc/";
+       private final static String TEST_CLASS_DIR = TEST_DIR + 
AdditionAssignmentTest.class.getSimpleName() + "/";
+       
+       @Override
+       public void setUp() {
+               TestUtils.clearAssertionInformation();
+               addTestConfiguration( TEST_NAME1, new 
TestConfiguration(TEST_CLASS_DIR, TEST_NAME1, new String[]{"R"}));
+       }
+
+       @Test
+       public void testMatrixScalarAddition() {
+               runExistsTest(TEST_NAME1, false, 5500);
+       }
+       
+       @Test
+       public void testScalarScalarAddition() {
+               runExistsTest(TEST_NAME1, true, 55);
+       }
+
+       private void runExistsTest(String testName, boolean scalarTarget, 
double expected) {
+               TestConfiguration config = getTestConfiguration(testName);
+               loadTestConfiguration(config);
+               String HOME = SCRIPT_DIR + TEST_DIR;
+               fullDMLScriptName = HOME + testName + ".dml";
+               programArgs = new String[]{"-args",
+                       String.valueOf(scalarTarget).toUpperCase(), output("R") 
};
+               
+               //run script and compare output
+               runTest(true, false, null, -1); 
+               
+               //compare results
+               Double val = readDMLScalarFromOutputDir("R").get(new 
CellIndex(1,1));
+               Assert.assertEquals(expected, val, 1e-12);
+       }
+}
diff --git a/src/test/scripts/functions/misc/AddAssign.dml 
b/src/test/scripts/functions/misc/AddAssign.dml
new file mode 100644
index 0000000000..c32f61d273
--- /dev/null
+++ b/src/test/scripts/functions/misc/AddAssign.dml
@@ -0,0 +1,36 @@
+#-------------------------------------------------------------
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+#-------------------------------------------------------------
+
+if( $1 ) {
+  # scalar-scalar addition
+  X = 0;
+  for(i in 1:10)
+    X += i;
+  write(X, $2) #55
+}
+else {
+  # matrix-scalar addition
+  Y = matrix(0, 10, 10);
+  for(i in 1:10)
+    Y += i;
+  sY = sum(Y) #TODO in write
+  write(sY, $2) #5500
+}

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