Hi,all I got a "Inserting -nan+iG error" at function MatSetValues.
My code like this: I first use code below to change a double into PETScScalar (I am using Complex version). *for(i=0;i<nz;i++)temp[i] = Ax[i] + Az[i] * PETSC_i;* Then I use code below to insert values into matrix. *ierr = MatSetValues(A,n,Conlumn_ptr,n,Ai,temp,INSERT_VALUES);* Here is how problem happens: I compile my PETSc code into a .so lib and test it with a simple matrix and* it passed*. So I link it with the other part of my program. However, it keeps telling me *Inserting -nan+iG at matrix entry (2,3)!* The (2,3) is zero actually, and I could print it with std::cerr which tells me it is zero. The other part of my program,with which generates actual matrix I will deal, is correct.(I could use ARPACK with it.) I was confused about why PETSc recognize a zero into -nan. In my simple test, there is also zero entry, at (0,0) however. For the other part is compiled itself, I guess there might be some problem with compiling options. But I have no idea about it. Could anybody help me? Guoxi
