<html><body><div style="font-family: times new roman, new york, times, serif; font-size: 12pt; color: #000000"><div>Hello,<br></div><div><br></div><div>Do I need to MatDestroy the local matrix returned by MatISGetLocalMat ? (the global matrix has been created with MatCreateIS)<br></div><div><br></div><div>Tried to look in the source tree... But I'am not sure to get the answer: in petsc-3.7.6/src/mat/impls/is/matis.c, MatISGetLocalMat seems to call MatISGetLocalMat_C, but, I can't find MatISGetLocalMat_C in the source tree !?...<br></div><div><br></div><div>Franck<br></div></div></body></html>