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/petsc/src/ksp/ksp/impls/cheby/
H A Dcheby.c50 *emax = cheb->tform[2] * cheb->emin_computed + cheb->tform[3] * cheb->emax_computed; in KSPChebyshevGetEigenvalues_Chebyshev()
52 *emax = cheb->tform[2] * cheb->emin_provided + cheb->tform[3] * cheb->emax_provided; in KSPChebyshevGetEigenvalues_Chebyshev()
57 *emin = cheb->tform[0] * cheb->emin_computed + cheb->tform[1] * cheb->emax_computed; in KSPChebyshevGetEigenvalues_Chebyshev()
59 *emin = cheb->tform[0] * cheb->emin_provided + cheb->tform[1] * cheb->emax_provided; in KSPChebyshevGetEigenvalues_Chebyshev()
101 if (a >= 0) cheb->tform[0] = a; in KSPChebyshevEstEigSet_Chebyshev()
102 if (b >= 0) cheb->tform[1] = b; in KSPChebyshevEstEigSet_Chebyshev()
103 if (c >= 0) cheb->tform[2] = c; in KSPChebyshevEstEigSet_Chebyshev()
104 if (d >= 0) cheb->tform[3] = d; in KSPChebyshevEstEigSet_Chebyshev()
347 PetscReal tform[4] = {PETSC_DECIDE, PETSC_DECIDE, PETSC_DECIDE, PETSC_DECIDE}; in KSPSetFromOptions_Chebyshev() local
358 …this transform for Chebyshev eigenvalue bounds", "KSPChebyshevEstEigSet", tform, &nestarg, &flgest… in KSPSetFromOptions_Chebyshev()
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H A Dchebyshevimpl.h17 PetscReal tform[4]; /* transform from Krylov estimates to Chebyshev bounds */ member