[petsc-users] DIVERGED_NONLINEAR_SOLVE error

[Jed Brown]

"Jin, Shuangshuang" <Shuangshuang.Jin at pnnl.gov> writes:

> Thank you, Mat, problem resolved. It's floating point errors. Located
> it after turning on the debugging option.

Run in a debugger and pass the option -fp_trap to PETSc.  It should
break the first place a NaN or denormal is computed.
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