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

/petsc/src/ksp/pc/impls/bddc/
H A Dbddcnullspace.c151 PetscReal test_err, lambda_min, lambda_max; in PCBDDCNullSpaceAssembleCorrection() local
184 PetscCall(KSPComputeExtremeSingularValues(check_ksp, &lambda_max, &lambda_min)); in PCBDDCNullSpaceAssembleCorrection()
188 …gs %1.6e %1.6e)\n", PetscGlobalRank, (double)test_err, k, (double)lambda_min, (double)lambda_max)); in PCBDDCNullSpaceAssembleCorrection()
190 …gs %1.6e %1.6e)\n", PetscGlobalRank, (double)test_err, k, (double)lambda_min, (double)lambda_max)); in PCBDDCNullSpaceAssembleCorrection()
193 if (needscaling) shell_ctx->scale = 1.0 / lambda_max; in PCBDDCNullSpaceAssembleCorrection()
213 PetscCall(KSPComputeExtremeSingularValues(check_ksp, &lambda_max, &lambda_min)); in PCBDDCNullSpaceAssembleCorrection()
217 …ble)PetscRealPart(shell_ctx->scale), (double)test_err, k, (double)lambda_min, (double)lambda_max)); in PCBDDCNullSpaceAssembleCorrection()
219 …ble)PetscRealPart(shell_ctx->scale), (double)test_err, k, (double)lambda_min, (double)lambda_max)); in PCBDDCNullSpaceAssembleCorrection()
H A Dbddcprivate.c9173 PetscReal abs_infty_error, infty_error, lambda_min = 1.0, lambda_max = 1.0; in PCBDDCSetUpCoarseSolver() local
9221 lambda_max = eigs_r[neigs - 1]; in PCBDDCSetUpCoarseSolver()
9224 …if (lambda_max >= lambda_min) { /* using PETSC_SMALL since lambda_max == lambda_min is not allowed… in PCBDDCSetUpCoarseSolver()
9225 … PetscCall(KSPChebyshevSetEigenvalues(pcbddc->coarse_ksp, lambda_max + PETSC_SMALL, lambda_min)); in PCBDDCSetUpCoarseSolver()
9226 PetscCall(KSPRichardsonSetScale(pcbddc->coarse_ksp, 2.0 / (lambda_max + lambda_min))); in PCBDDCSetUpCoarseSolver()
9253 …6e %1.6e)\n", its, check_ksp_type, reason, (double)lambda_min, (double)lambda_max, (double)lambda_… in PCBDDCSetUpCoarseSolver()
/petsc/src/snes/impls/al/
H A Dal.c452 if (data->lambda > data->lambda_max) { in SNESSolve_NEWTONAL()
454 deltaLambda = deltaLambda - (data->lambda - data->lambda_max); in SNESSolve_NEWTONAL()
455 data->lambda = data->lambda_max; in SNESSolve_NEWTONAL()
504 if (data->lambda >= data->lambda_max) { in SNESSolve_NEWTONAL()
559 …um value of the load parameter lambda", "SNESNewtonAL", data->lambda_max, &data->lambda_max, NULL)… in SNESSetFromOptions_NEWTONAL()
644 arclengthParameters->lambda_max = 1.0; in SNESCreate_NEWTONAL()
H A Dalimpl.h16 PetscReal lambda_max; /* maximum value of the load parameter */ member
/petsc/src/snes/tutorials/
H A Dex5f.F90368 PetscReal lambda_max, lambda_min
386 lambda_max = 6.81
393 if (lambda >= lambda_max .or. lambda <= lambda_min) then
H A Dex5f90t.F90475 PetscReal lambda_max, lambda_min
487 lambda_max = 6.81
493 …PetscCheckA(ctx%lambda < lambda_max .and. ctx%lambda > lambda_min, PETSC_COMM_SELF, PETSC_ERR_USER…
H A Dex5f90.F90487 PetscReal lambda_max, lambda_min
498 lambda_max = 6.81
504 …PetscCheckA(ctx%lambda < lambda_max .and. ctx%lambda > lambda_min, PETSC_COMM_SELF, PETSC_ERR_USER…
H A Dex73f90t.F90433 PetscReal lambda_max, lambda_min
445 lambda_max = 6.81_PETSC_REAL_KIND
453 …PetscCheckA(solver%lambda <= lambda_max .and. solver%lambda >= lambda_min, PETSC_COMM_SELF, PETSC_…
/petsc/src/snes/tests/
H A Dex1f.F90448 PetscReal lambda_max, lambda_min, lambda
473 lambda_max = 6.81
481 …PetscCheckA(lambda < lambda_max .and. lambda > lambda_min, PETSC_COMM_SELF, PETSC_ERR_USER, 'Lambd…