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/petsc/src/ts/tutorials/
H A Dex10.c434 RDNode dD, dxD; in RDIJacobian_FD() local
442 RDDiffusionCoefficient(rd, rd->bclimit, &n, &nx, &D, &dD, &dxD); in RDIJacobian_FD()
443 … = (bcTheta / Theta) * hx * (1. - 2. * D * (-1. / hx) - 2. * nx.E * dD.E + 2. * nx.E * dxD.E / hx); in RDIJacobian_FD()
445 … + 0] = (bcTheta / Theta) * hx * (-2. * D * (1. / hx) - 2. * nx.E * dD.E - 2. * nx.E * dxD.E / hx); in RDIJacobian_FD()
895 RDNode dD, dxD, fdD, fdxD; in RDTestDifferentiation() local
900 RDDiffusionCoefficient(rd, rd->bclimit, &n, &nx, &D0, &dD, &dxD); in RDTestDifferentiation()
927 …PetscRealPart(dxD.E), (double)PetscRealPart(dxD.T), (double)PetscRealPart(fdxD.E), (double)PetscRe… in RDTestDifferentiation()
928 (double)PetscRealPart(dxD.T - fdxD.T))); in RDTestDifferentiation()