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/petsc/src/ksp/ksp/impls/fetidp/
H A Dfetidp.c1047 PetscInt AM, PAM, PAN, pam, pan, am, an, pl, pIl, pAg, pIg; in KSPFETIDPSetUpOperators() local
1051 PetscCall(MatGetSize(PPmat, &PAM, &PAN)); in KSPFETIDPSetUpOperators()
1058 …k(PAM == PAN, PetscObjectComm((PetscObject)ksp), PETSC_ERR_USER, "Pressure matrix must be square, … in KSPFETIDPSetUpOperators()
1062 if (PAM == AM) { /* monolithic ordering, restrict to pressure */ in KSPFETIDPSetUpOperators()
1069 } else if (pAg == PAM) { /* global ordering for pressure only */ in KSPFETIDPSetUpOperators()
1080 } else if (pIg == PAM) { /* global ordering for selected pressure only */ in KSPFETIDPSetUpOperators()