mboehm7 commented on code in PR #2049:
URL: https://github.com/apache/systemds/pull/2049#discussion_r1676962768
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src/main/java/org/apache/sysds/runtime/data/SparseBlockMCSR.java:
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@@ -312,8 +312,8 @@ public long size(int rl, int ru, int cl, int cu) {
for(int i=rl; i<ru; i++)
if( !isEmpty(i) ) {
int start = posFIndexGTE(i, cl);
- int end = posFIndexGTE(i, cu);
- nnz += (start!=-1) ? (end-start) : 0;
+ int end = posFIndexLTE(i, cu-1);
+ nnz += (start!=-1) ? (end-start+1) : 0;
Review Comment:
I don't see why it's not necessary for MCSR but for CSR? Could you please
elaborate why?
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