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Division by 0 occurs in kmetis.c line 56 on this computation:
/* set various run parameters that depend on the graph */
ctrl->CoarsenTo = gk_max((*nvtxs)/(40*gk_log2(*nparts)), 30*(*nparts));
This is because gk_log2 will return 0 if its input is 1.
=================================================================
==6382==ERROR: AddressSanitizer: FPE on unknown address 0x5622b6c7e8f0 (pc 0x5622b6c7e8f0 bp 0x7fff6575cc10 sp 0x7fff6575cb70 T0)
#0 0x5622b6c7e8f0 in METIS_PartGraphKway METIS/libmetis/kmetis.c:56
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: FPE METIS/libmetis/kmetis.c:56 in METIS_PartGraphKway
==6382==ABORTING```
There should be an error handling or a message of help for users.
(I am very happy that I could compile with gdb=1 to backtrack the bug, thanks !)
The text was updated successfully, but these errors were encountered:
Division by 0 occurs in kmetis.c line 56 on this computation:
This is because
gk_log2
will return 0 if its input is 1.The text was updated successfully, but these errors were encountered: