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In both of these cases , the number is a formal computable synonym of the Heading . PETSc is a parallel solver package written in C and based on the MPI message passing interface . Compounding this problem is the tendency among many companies to develop and enforce policies designed for these poor producers rather than establish cultures and practices that support great performers . The question is not just whether cost recovery is a wise policy in a regulatory environment , but whether there are ways of effectively maintaining public confidence by adjustments to any such cost recovery policy or otherwise . The conjur woman was a conduit of traditional wisdom from Africa .