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Searched refs:rho2 (Results 1 – 5 of 5) sorted by relevance

/petsc/src/ksp/ksp/impls/bcgs/qmrcgs/
H A Dqmrcgs.c18 PetscScalar eta, rho1, rho2, alpha, eta2, omega, beta, cf, cf1, uu; in KSPSolve_QMRCGS() local
93 PetscCall(VecDot(V, RP, &rho2)); /* rho2 <- (v,rp) */ in KSPSolve_QMRCGS()
94 if (rho2 == 0.0) { in KSPSolve_QMRCGS()
106 alpha = rho1 / rho2; in KSPSolve_QMRCGS()
183 PetscCall(VecDot(R, RP, &rho2)); in KSPSolve_QMRCGS()
191 beta = (alpha * rho2) / (omega * rho1); in KSPSolve_QMRCGS()
193 rho1 = rho2; in KSPSolve_QMRCGS()
/petsc/src/ksp/ksp/impls/symmlq/
H A Dsymmlq.c18 PetscScalar c = 1.0, cold = 1.0, s = 0.0, sold = 0.0, coold, soold, rho0, rho1, rho2, rho3; in KSPSolve_SYMMLQ() local
151 rho2 = sold * alpha + coold * cold * betaold; /* delta */ in KSPSolve_SYMMLQ()
159 else ceta = -(rho2 * ceta_old + rho3 * ceta_oold) / rho1; in KSPSolve_SYMMLQ()
/petsc/src/ts/adapt/impls/dsp/
H A Dadaptdsp.c132 PetscReal rho2 = dsp->hratio[1]; in TSAdaptChoose_DSP() local
141 rho0 *= PetscPowReal(rho2, -a3); in TSAdaptChoose_DSP()
/petsc/src/ksp/ksp/impls/minres/
H A Dminres.c481 PetscScalar rho0, rho1, rho2, rho3, dp = 0.0; in KSPSolve_MINRES_OLD() local
597 rho2 = sold * alpha + coold * cold * betaold; in KSPSolve_MINRES_OLD()
621 PetscScalar alphas[] = {-rho2 / rho1, -rho3 / rho1}; in KSPSolve_MINRES_OLD()
/petsc/src/dm/impls/stag/tutorials/
H A Dex4.c30 PetscScalar eta1, eta2, rho1, rho2, gy, eta_characteristic; member
329 return PetscRealPart(x) < (ctx->xmax - ctx->xmin) / 2.0 ? ctx->rho1 : ctx->rho2; in GetRho_layers()
345 return (xx * xx > 0.15 * 0.15 || yy * yy > 0.15 * 0.15) ? ctx->rho1 : ctx->rho2; in GetRho_sinker_box2()
364 …f_width || PetscAbsReal(yy) > half_width || PetscAbsReal(zz) > half_width) ? ctx->rho1 : ctx->rho2; in GetRho_sinker_box3()
384 return (xx * xx + yy * yy + zz * zz > half_width * half_width) ? ctx->rho1 : ctx->rho2; in GetRho_sinker_sphere3()
412 return ctx->rho1 + ctx->rho2 * PetscExpScalar(-20.0 * (xx * xx + yy * yy + zz * zz)); in GetRho_blob3()
470 ctx->rho2 = 1.0; in CtxCreateAndSetFromOptions()
479 ctx->rho2 = 3300; in CtxCreateAndSetFromOptions()