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Searched refs:zeta (Results 1 – 9 of 9) sorted by relevance

/petsc/src/dm/tests/
H A Dex36.c89 PetscScalar zeta = XX[dim * i + 2]; in DAApplyConformalMapping() local
95 Ni[0] = 0.125 * (1.0 - xi) * (1.0 - eta) * (1.0 - zeta); in DAApplyConformalMapping()
96 Ni[1] = 0.125 * (1.0 + xi) * (1.0 - eta) * (1.0 - zeta); in DAApplyConformalMapping()
97 Ni[2] = 0.125 * (1.0 - xi) * (1.0 + eta) * (1.0 - zeta); in DAApplyConformalMapping()
98 Ni[3] = 0.125 * (1.0 + xi) * (1.0 + eta) * (1.0 - zeta); in DAApplyConformalMapping()
100 Ni[4] = 0.125 * (1.0 - xi) * (1.0 - eta) * (1.0 + zeta); in DAApplyConformalMapping()
101 Ni[5] = 0.125 * (1.0 + xi) * (1.0 - eta) * (1.0 + zeta); in DAApplyConformalMapping()
102 Ni[6] = 0.125 * (1.0 - xi) * (1.0 + eta) * (1.0 + zeta); in DAApplyConformalMapping()
103 Ni[7] = 0.125 * (1.0 + xi) * (1.0 + eta) * (1.0 + zeta); in DAApplyConformalMapping()
117 CCmplx zeta, t1, t2; in DAApplyConformalMapping() local
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/petsc/src/ksp/ksp/impls/bcgsl/
H A Dbcgsl.c18 PetscReal zeta, zeta0, rnmax_computed, rnmax_true, nrm0; in KSPSolve_BCGSL() local
75 zeta = zeta0; in KSPSolve_BCGSL()
82 if (ksp->normtype != KSP_NORM_NONE) ksp->rnorm = zeta; in KSPSolve_BCGSL()
98 nrm0 = zeta; in KSPSolve_BCGSL()
264 PetscCall(VecNorm(VVR[0], NORM_2, &zeta)); in KSPSolve_BCGSL()
265 KSPCheckNorm(ksp, zeta); in KSPSolve_BCGSL()
269 if (rnmax_computed < zeta) rnmax_computed = zeta; in KSPSolve_BCGSL()
270 if (rnmax_true < zeta) rnmax_true = zeta; in KSPSolve_BCGSL()
272 bUpdateX = (PetscBool)(zeta < bcgsl->delta * zeta0 && zeta0 <= rnmax_computed); in KSPSolve_BCGSL()
273 if ((zeta < bcgsl->delta * rnmax_true && zeta0 <= rnmax_true) || bUpdateX) { in KSPSolve_BCGSL()
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/petsc/src/ksp/ksp/impls/cg/pipelcg/
H A Dpipelcg.c142 PetscScalar sum_dummy = 0.0, eta = 0.0, zeta = 0.0, lambda = 0.0; in KSPSolve_InnerLoop_PIPELCG() local
310 zeta = beta; in KSPSolve_InnerLoop_PIPELCG()
313 PetscCall(VecAXPY(x, zeta, p)); in KSPSolve_InnerLoop_PIPELCG()
320 zeta = -lambda * zeta; in KSPSolve_InnerLoop_PIPELCG()
323 PetscCall(VecAXPY(x, zeta, p)); in KSPSolve_InnerLoop_PIPELCG()
324 dp = PetscAbsScalar(zeta); in KSPSolve_InnerLoop_PIPELCG()
/petsc/src/ksp/ksp/tutorials/
H A Dex42.c106 PetscReal zeta = PetscRealPart(_xi[2]); in ShapeFunctionQ13D_Evaluate() local
108 Ni[0] = 0.125 * (1.0 - xi) * (1.0 - eta) * (1.0 - zeta); in ShapeFunctionQ13D_Evaluate()
109 Ni[1] = 0.125 * (1.0 - xi) * (1.0 + eta) * (1.0 - zeta); in ShapeFunctionQ13D_Evaluate()
110 Ni[2] = 0.125 * (1.0 + xi) * (1.0 + eta) * (1.0 - zeta); in ShapeFunctionQ13D_Evaluate()
111 Ni[3] = 0.125 * (1.0 + xi) * (1.0 - eta) * (1.0 - zeta); in ShapeFunctionQ13D_Evaluate()
113 Ni[4] = 0.125 * (1.0 - xi) * (1.0 - eta) * (1.0 + zeta); in ShapeFunctionQ13D_Evaluate()
114 Ni[5] = 0.125 * (1.0 - xi) * (1.0 + eta) * (1.0 + zeta); in ShapeFunctionQ13D_Evaluate()
115 Ni[6] = 0.125 * (1.0 + xi) * (1.0 + eta) * (1.0 + zeta); in ShapeFunctionQ13D_Evaluate()
116 Ni[7] = 0.125 * (1.0 + xi) * (1.0 - eta) * (1.0 + zeta); in ShapeFunctionQ13D_Evaluate()
123 PetscReal zeta = PetscRealPart(_xi[2]); in ShapeFunctionQ13D_Evaluate_dxi() local
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/petsc/src/tao/bound/impls/bncg/
H A Dbncg.h24 …PetscReal zeta; /* Another parameter, exclusive to Kou-Dai, modifying the y_k scalar contribution… member
H A Dbncg.c203 …o_bncg_zeta", "(developer) Free parameter for the Kou-Dai method", "", cg->zeta, &cg->zeta, NULL)); in TaoSetFromOptions_BNCG()
377 cg->zeta = 0.1; in TaoCreate_BNCG()
716 if (beta < cg->zeta * tau_k * gd / (dnorm * dnorm)) /* 0.1 is KD's zeta parameter */ in TaoBNCGStepDirectionUpdate()
718 beta = cg->zeta * tau_k * gd / (dnorm * dnorm); in TaoBNCGStepDirectionUpdate()
749 if (beta < cg->zeta * tmp / (dnorm * dnorm)) { in TaoBNCGStepDirectionUpdate()
750 beta = cg->zeta * tmp / (dnorm * dnorm); in TaoBNCGStepDirectionUpdate()
754 if (beta < cg->zeta * tmp / (dnorm * dnorm)) { in TaoBNCGStepDirectionUpdate()
755 beta = cg->zeta * tmp / (dnorm * dnorm); in TaoBNCGStepDirectionUpdate()
/petsc/src/dm/impls/da/
H A Ddainterp.c913 PetscScalar *xi, *eta, *zeta; in DMCreateInterpolation_DA_3D_Q1() local
923 PetscCall(PetscMalloc1(nzeta, &zeta)); in DMCreateInterpolation_DA_3D_Q1()
926 …for (lk = 0; lk < nzeta; lk++) zeta[lk] = -1.0 + (PetscScalar)lk * (2.0 / (PetscScalar)(nzeta - 1)… in DMCreateInterpolation_DA_3D_Q1()
976 Ni[0] = 0.125 * (1.0 - xi[li]) * (1.0 - eta[lj]) * (1.0 - zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
977 Ni[1] = 0.125 * (1.0 + xi[li]) * (1.0 - eta[lj]) * (1.0 - zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
978 Ni[2] = 0.125 * (1.0 - xi[li]) * (1.0 + eta[lj]) * (1.0 - zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
979 Ni[3] = 0.125 * (1.0 + xi[li]) * (1.0 + eta[lj]) * (1.0 - zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
981 Ni[4] = 0.125 * (1.0 - xi[li]) * (1.0 - eta[lj]) * (1.0 + zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
982 Ni[5] = 0.125 * (1.0 + xi[li]) * (1.0 - eta[lj]) * (1.0 + zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
983 Ni[6] = 0.125 * (1.0 - xi[li]) * (1.0 + eta[lj]) * (1.0 + zeta[lk]); in DMCreateInterpolation_DA_3D_Q1()
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/petsc/src/dm/impls/plex/
H A Dplexgeometry.c580 PetscReal xi, eta, zeta; in DMPlexLocatePoint_Simplex_3D_Internal() local
586 …zeta = invJ[2 * embedDim + 0] * (x - v0[0]) + invJ[2 * embedDim + 1] * (y - v0[1]) + invJ[2 * embe… in DMPlexLocatePoint_Simplex_3D_Internal()
588 if ((xi >= -eps) && (eta >= -eps) && (zeta >= -eps) && (xi + eta + zeta <= 2.0 + eps)) *cell = c; in DMPlexLocatePoint_Simplex_3D_Internal()
2307 … const PetscReal xi = points[dimR * i], eta = points[dimR * i + 1], zeta = points[dimR * i + 2]; in DMPlexComputeTriangularPrismGeometry_Internal() local
2316 extPoint[3] = zeta; in DMPlexComputeTriangularPrismGeometry_Internal()
2317 extPoint[4] = xi * zeta; in DMPlexComputeTriangularPrismGeometry_Internal()
2318 extPoint[5] = eta * zeta; in DMPlexComputeTriangularPrismGeometry_Internal()
2341 extJ[12] = zeta; in DMPlexComputeTriangularPrismGeometry_Internal()
2345 extJ[16] = zeta; in DMPlexComputeTriangularPrismGeometry_Internal()
/petsc/share/petsc/datafiles/meshes/
H A Dtestcase3D.cas3858 (pb-qmom/real-mom-zeta-scheme? #f)
3859 (pb-qmom/zeta-min 0.)
3879 (pb-qbmm/zeta-neg-eps -1e-12)
3880 (pb-qbmm/zeta-min 1e-12)
5496 (morpher/n-zeta 4)
7853 (drsm-kw-zeta-star 0.5)
7962 (kw-zeta-star 1.5)