From f8ad7006d3ade513676e0315a29c55a816f6f598 Mon Sep 17 00:00:00 2001
From: Ned Coltman <edward.coltman@iws.uni-stuttgart.de>
Date: Thu, 12 Mar 2020 17:39:36 +0100
Subject: [PATCH] [DiffusionCoeffcientContainers] Replace template arguments
with bool onlyTracers
---
dumux/flux/box/fickslaw.hh | 5 ++--
dumux/flux/box/maxwellstefanslaw.hh | 8 ++++---
dumux/flux/ccmpfa/fickslaw.hh | 8 +++++--
dumux/flux/cctpfa/fickslaw.hh | 4 ++--
dumux/flux/cctpfa/maxwellstefanslaw.hh | 4 ++--
dumux/flux/fickiandiffusioncoefficients.hh | 24 +++++++++----------
.../maxwellstefandiffusioncoefficients.hh | 9 ++++++-
dumux/flux/staggered/freeflow/fickslaw.hh | 6 +++--
.../staggered/freeflow/maxwellstefanslaw.hh | 5 ++--
.../freeflow/compositional/volumevariables.hh | 2 +-
.../porousmediumflow/1pnc/volumevariables.hh | 2 +-
.../porousmediumflow/2p2c/volumevariables.hh | 2 +-
.../porousmediumflow/2pnc/volumevariables.hh | 2 +-
.../porousmediumflow/3p3c/volumevariables.hh | 2 +-
.../3pwateroil/volumevariables.hh | 2 +-
dumux/porousmediumflow/co2/volumevariables.hh | 2 +-
.../porousmediumflow/mpnc/volumevariables.hh | 4 ++--
.../richardsnc/volumevariables.hh | 2 +-
.../tracer/volumevariables.hh | 14 ++++++-----
examples/1ptracer/problem_tracer.hh | 3 ++-
20 files changed, 64 insertions(+), 46 deletions(-)
diff --git a/dumux/flux/box/fickslaw.hh b/dumux/flux/box/fickslaw.hh
index 8bc2cfa8aa..785e447ee0 100644
--- a/dumux/flux/box/fickslaw.hh
+++ b/dumux/flux/box/fickslaw.hh
@@ -74,12 +74,11 @@ class FicksLawImplementation<TypeTag, DiscretizationMethod::box, referenceSystem
using ComponentFluxVector = Dune::FieldVector<Scalar, numComponents>;
public:
-
- template<int numPhases, int numComponents>
+ template <bool onlyTracers = false>
using DiffusionCoefficientsContainer = FickianDiffusionCoefficients<Scalar,
numPhases,
numComponents,
- FluidSystem::isTracerFluidSystem()>;
+ onlyTracers>;
//return the reference system
static constexpr ReferenceSystemFormulation referenceSystemFormulation()
diff --git a/dumux/flux/box/maxwellstefanslaw.hh b/dumux/flux/box/maxwellstefanslaw.hh
index b065aff562..4b0bdba111 100644
--- a/dumux/flux/box/maxwellstefanslaw.hh
+++ b/dumux/flux/box/maxwellstefanslaw.hh
@@ -71,9 +71,11 @@ class MaxwellStefansLawImplementation<TypeTag, DiscretizationMethod::box, refere
static_assert(referenceSystem == ReferenceSystemFormulation::massAveraged, "only the mass averaged reference system is supported for the Maxwell-Stefan formulation");
public:
-
- template<int numFluidPhases, int numComponents>
- using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar, numFluidPhases, numComponents>;
+ template <bool onlyTracers = false>
+ using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar,
+ numFluidPhases,
+ numComponents,
+ onlyTracers>;
//return the reference system
static constexpr ReferenceSystemFormulation referenceSystemFormulation()
diff --git a/dumux/flux/ccmpfa/fickslaw.hh b/dumux/flux/ccmpfa/fickslaw.hh
index e4c69a4a7e..0e92453d12 100644
--- a/dumux/flux/ccmpfa/fickslaw.hh
+++ b/dumux/flux/ccmpfa/fickslaw.hh
@@ -62,6 +62,7 @@ class FicksLawImplementation<TypeTag, DiscretizationMethod::ccmpfa, referenceSys
using BalanceEqOpts = GetPropType<TypeTag, Properties::BalanceEqOpts>;
static constexpr int numComponents = GetPropType<TypeTag, Properties::ModelTraits>::numFluidComponents();
+ static constexpr int numPhases = GetPropType<TypeTag, Properties::ModelTraits>::numFluidPhases();
using ComponentFluxVector = Dune::FieldVector<Scalar, numComponents>;
//! Class that fills the cache corresponding to mpfa Fick's Law
@@ -163,17 +164,20 @@ class FicksLawImplementation<TypeTag, DiscretizationMethod::ccmpfa, referenceSys
public:
// state the discretization method this implementation belongs to
static const DiscretizationMethod discMethod = DiscretizationMethod::ccmpfa;
+
//return the reference system
static constexpr ReferenceSystemFormulation referenceSystemFormulation()
{ return referenceSystem; }
+
// state the type for the corresponding cache and its filler
using Cache = MpfaFicksLawCache;
+
//export the diffusion container
- template<int numPhases, int numComponents>
+ template <bool onlyTracers = false>
using DiffusionCoefficientsContainer = FickianDiffusionCoefficients<Scalar,
numPhases,
numComponents,
- FluidSystem::isTracerFluidSystem()>;
+ onlyTracers>;
//! Compute the diffusive flux across an scvf
static ComponentFluxVector flux(const Problem& problem,
diff --git a/dumux/flux/cctpfa/fickslaw.hh b/dumux/flux/cctpfa/fickslaw.hh
index b41c2ed11b..09de3fae6d 100644
--- a/dumux/flux/cctpfa/fickslaw.hh
+++ b/dumux/flux/cctpfa/fickslaw.hh
@@ -127,11 +127,11 @@ public:
//! state the type for the corresponding cache and its filler
using Cache = TpfaFicksLawCache;
- template<int numPhases, int numComponents>
+ template<bool onlyTracers = false>
using DiffusionCoefficientsContainer = FickianDiffusionCoefficients<Scalar,
numPhases,
numComponents,
- FluidSystem::isTracerFluidSystem()>;
+ onlyTracers>;
//! return diffusive fluxes for all components in a phase
static ComponentFluxVector flux(const Problem& problem,
diff --git a/dumux/flux/cctpfa/maxwellstefanslaw.hh b/dumux/flux/cctpfa/maxwellstefanslaw.hh
index 73d8a8160f..3c0f9f532d 100644
--- a/dumux/flux/cctpfa/maxwellstefanslaw.hh
+++ b/dumux/flux/cctpfa/maxwellstefanslaw.hh
@@ -80,8 +80,8 @@ public:
static constexpr ReferenceSystemFormulation referenceSystemFormulation()
{ return referenceSystem; }
- template<int numFluidPhases, int numComponents>
- using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar, numFluidPhases, numComponents>;
+ template<bool onlyTracers = false>
+ using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar, numPhases, numComponents, onlyTracers>;
//! state the type for the corresponding cache and its filler
//! We don't cache anything for this law
diff --git a/dumux/flux/fickiandiffusioncoefficients.hh b/dumux/flux/fickiandiffusioncoefficients.hh
index cba9c93bda..5d45f77404 100644
--- a/dumux/flux/fickiandiffusioncoefficients.hh
+++ b/dumux/flux/fickiandiffusioncoefficients.hh
@@ -36,20 +36,20 @@ namespace Dumux {
* \tparam Scalar The type used for scalar values
* \tparam numPhases Number of phases in the fluid composition
* \tparam numComponents Number of components in the fluid composition
- * \tparam allTracerComponents If false, this means that the main component of
- * a phase is part of the components. In this case,
- * the storage container is optimized with respect to
- * memory consumption as diffusion coefficients of the
- * main component of a phase in itself are not stored.
- * If true, all diffusion coefficients of all components
- * are stored
+ * \tparam onlyTracers If false, this means that the main component of
+ * a phase is part of the components. In this case,
+ * the storage container is optimized with respect to
+ * memory consumption as diffusion coefficients of the
+ * main component of a phase in itself are not stored.
+ * If true, all diffusion coefficients of all components
+ * are stored
*/
-template <class Scalar, int numPhases, int numComponents, bool allTracerComponents>
+template <class Scalar, int numPhases, int numComponents, bool onlyTracers = false>
class FickianDiffusionCoefficients;
//! General case (mpnc), for compositions containing the phases' main components
template <class Scalar, int numPhases, int numComponents>
-class FickianDiffusionCoefficients<Scalar, numPhases, numComponents, false>
+class FickianDiffusionCoefficients<Scalar, numPhases, numComponents>
{
public:
template<class DiffCoeffFunc>
@@ -83,7 +83,7 @@ private:
//! Specialization for 1pnc & compositions containing the phases' main components
template <class Scalar, int numComponents>
-class FickianDiffusionCoefficients<Scalar, 1, numComponents, false>
+class FickianDiffusionCoefficients<Scalar, 1, numComponents>
{
public:
template<class DiffCoeffFunc>
@@ -114,7 +114,7 @@ private:
//! Specialization for 2p2c & compositions containing the phases' main components
template <class Scalar>
-class FickianDiffusionCoefficients<Scalar, 2, 2, false>
+class FickianDiffusionCoefficients<Scalar, 2, 2>
{
public:
template<class DiffCoeffFunc>
@@ -138,7 +138,7 @@ private:
//! Specialization for 3p2c & compositions containing the phases' main components
template <class Scalar>
-class FickianDiffusionCoefficients<Scalar, 3, 2, false>
+class FickianDiffusionCoefficients<Scalar, 3, 2>
{
public:
template<class DiffCoeffFunc>
diff --git a/dumux/flux/maxwellstefandiffusioncoefficients.hh b/dumux/flux/maxwellstefandiffusioncoefficients.hh
index 53b8e0687c..37e2728b46 100644
--- a/dumux/flux/maxwellstefandiffusioncoefficients.hh
+++ b/dumux/flux/maxwellstefandiffusioncoefficients.hh
@@ -38,8 +38,15 @@ namespace Dumux {
* \tparam Scalar The type used for scalar values
* \tparam numPhases Number of phases in the fluid composition
* \tparam numComponents Number of components in the fluid composition
+ * \tparam onlyTracers If false, this means that the main component of
+ * a phase is part of the components. In this case,
+ * the storage container is optimized with respect to
+ * memory consumption as diffusion coefficients of the
+ * main component of a phase in itself are not stored.
+ * If true, all diffusion coefficients of all components
+ * are stored
*/
-template <class Scalar, int numPhases, int numComponents>
+template <class Scalar, int numPhases, int numComponents, bool onlyTracers = false>
class MaxwellStefanDiffusionCoefficients
{
public:
diff --git a/dumux/flux/staggered/freeflow/fickslaw.hh b/dumux/flux/staggered/freeflow/fickslaw.hh
index e204c20075..77562d4cbf 100644
--- a/dumux/flux/staggered/freeflow/fickslaw.hh
+++ b/dumux/flux/staggered/freeflow/fickslaw.hh
@@ -63,6 +63,8 @@ class FicksLawImplementation<TypeTag, DiscretizationMethod::staggered, reference
using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
static constexpr int numComponents = ModelTraits::numFluidComponents();
+ static constexpr int numPhases = ModelTraits::numFluidPhases();
+
using NumEqVector = Dune::FieldVector<Scalar, numComponents>;
static_assert(ModelTraits::numFluidPhases() == 1, "Only one phase supported!");
@@ -78,11 +80,11 @@ public:
//! We don't cache anything for this law
using Cache = FluxVariablesCaching::EmptyDiffusionCache;
- template<int numPhases, int numComponents>
+ template <bool onlyTracers = false>
using DiffusionCoefficientsContainer = FickianDiffusionCoefficients<Scalar,
numPhases,
numComponents,
- FluidSystem::isTracerFluidSystem()>;
+ onlyTracers>;
template<class Problem, class ElementVolumeVariables>
static NumEqVector flux(const Problem& problem,
diff --git a/dumux/flux/staggered/freeflow/maxwellstefanslaw.hh b/dumux/flux/staggered/freeflow/maxwellstefanslaw.hh
index 254966a69b..c11afe7265 100644
--- a/dumux/flux/staggered/freeflow/maxwellstefanslaw.hh
+++ b/dumux/flux/staggered/freeflow/maxwellstefanslaw.hh
@@ -62,6 +62,7 @@ class MaxwellStefansLawImplementation<TypeTag, DiscretizationMethod::staggered,
using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
static const int numComponents = ModelTraits::numFluidComponents();
+ static const int numPhases = ModelTraits::numFluidPhases();
static constexpr bool useMoles = getPropValue<TypeTag, Properties::UseMoles>();
using ReducedComponentVector = Dune::FieldVector<Scalar, numComponents-1>;
@@ -83,8 +84,8 @@ public:
using Cache = FluxVariablesCaching::EmptyDiffusionCache;
using CacheFiller = FluxVariablesCaching::EmptyCacheFiller;
- template<int numPhases, int numComponents>
- using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar, numPhases, numComponents>;
+ template <bool onlyTracers = false>
+ using DiffusionCoefficientsContainer = MaxwellStefanDiffusionCoefficients<Scalar, numPhases, numComponents, onlyTracers>;
template<class ElementVolumeVariables>
static CellCenterPrimaryVariables flux(const Problem& problem,
diff --git a/dumux/freeflow/compositional/volumevariables.hh b/dumux/freeflow/compositional/volumevariables.hh
index bf362043c0..cbb2fee79b 100644
--- a/dumux/freeflow/compositional/volumevariables.hh
+++ b/dumux/freeflow/compositional/volumevariables.hh
@@ -45,7 +45,7 @@ class FreeflowNCVolumeVariables : public FreeFlowVolumeVariables< Traits, Freefl
static constexpr bool useMoles = Traits::ModelTraits::useMoles();
static constexpr int numFluidComps = ParentType::numFluidComponents();
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<1, numFluidComps>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! export the underlying fluid system
diff --git a/dumux/porousmediumflow/1pnc/volumevariables.hh b/dumux/porousmediumflow/1pnc/volumevariables.hh
index 22ffbbe0e3..962120bde1 100644
--- a/dumux/porousmediumflow/1pnc/volumevariables.hh
+++ b/dumux/porousmediumflow/1pnc/volumevariables.hh
@@ -55,7 +55,7 @@ class OnePNCVolumeVariables
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
using Idx = typename Traits::ModelTraits::Indices;
static constexpr int numFluidComps = ParentType::numFluidComponents();
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<1, numFluidComps>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
enum
{
diff --git a/dumux/porousmediumflow/2p2c/volumevariables.hh b/dumux/porousmediumflow/2p2c/volumevariables.hh
index 85353f07e2..b6355a72c4 100644
--- a/dumux/porousmediumflow/2p2c/volumevariables.hh
+++ b/dumux/porousmediumflow/2p2c/volumevariables.hh
@@ -101,7 +101,7 @@ class TwoPTwoCVolumeVariablesBase
using ComputeFromReferencePhase = Dumux::ComputeFromReferencePhase<Scalar, typename Traits::FluidSystem>;
using MiscibleMultiPhaseComposition = Dumux::MiscibleMultiPhaseComposition< Scalar, typename Traits::FluidSystem >;
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<2, 2>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! The type of the object returned by the fluidState() method
using FluidState = typename Traits::FluidState;
diff --git a/dumux/porousmediumflow/2pnc/volumevariables.hh b/dumux/porousmediumflow/2pnc/volumevariables.hh
index 688a84b714..ce84b0cde1 100644
--- a/dumux/porousmediumflow/2pnc/volumevariables.hh
+++ b/dumux/porousmediumflow/2pnc/volumevariables.hh
@@ -91,7 +91,7 @@ class TwoPNCVolumeVariables
using MiscibleMultiPhaseComposition = Dumux::MiscibleMultiPhaseComposition<Scalar, FS>;
using ComputeFromReferencePhase = Dumux::ComputeFromReferencePhase<Scalar, FS>;
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<2, numFluidComps>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! Export fluid state type
diff --git a/dumux/porousmediumflow/3p3c/volumevariables.hh b/dumux/porousmediumflow/3p3c/volumevariables.hh
index 4c4dc7c82b..0a83648dc4 100644
--- a/dumux/porousmediumflow/3p3c/volumevariables.hh
+++ b/dumux/porousmediumflow/3p3c/volumevariables.hh
@@ -86,7 +86,7 @@ class ThreePThreeCVolumeVariables
};
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<3, 3>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! export fluid state type
diff --git a/dumux/porousmediumflow/3pwateroil/volumevariables.hh b/dumux/porousmediumflow/3pwateroil/volumevariables.hh
index 4b9180c826..8394b7a437 100644
--- a/dumux/porousmediumflow/3pwateroil/volumevariables.hh
+++ b/dumux/porousmediumflow/3pwateroil/volumevariables.hh
@@ -87,7 +87,7 @@ class ThreePWaterOilVolumeVariables
};
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<3, 2>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! The type of the object returned by the fluidState() method
diff --git a/dumux/porousmediumflow/co2/volumevariables.hh b/dumux/porousmediumflow/co2/volumevariables.hh
index afe402e722..3d5a77faa1 100644
--- a/dumux/porousmediumflow/co2/volumevariables.hh
+++ b/dumux/porousmediumflow/co2/volumevariables.hh
@@ -88,7 +88,7 @@ class TwoPTwoCCO2VolumeVariables
// type used for the diffusion coefficients
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<2, 2>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! The type of the object returned by the fluidState() method
diff --git a/dumux/porousmediumflow/mpnc/volumevariables.hh b/dumux/porousmediumflow/mpnc/volumevariables.hh
index 45149b0416..3ff7621bd3 100644
--- a/dumux/porousmediumflow/mpnc/volumevariables.hh
+++ b/dumux/porousmediumflow/mpnc/volumevariables.hh
@@ -70,7 +70,7 @@ class MPNCVolumeVariablesImplementation<Traits, false>
using ComponentVector = Dune::FieldVector<Scalar, ModelTraits::numFluidComponents()>;
using CompositionFromFugacities = Dumux::CompositionFromFugacities<Scalar, typename Traits::FluidSystem>;
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<ModelTraits::numFluidPhases(), ParentType::numFluidComponents()>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! Export the type encapsulating primary variable indices
@@ -535,7 +535,7 @@ class MPNCVolumeVariablesImplementation<Traits, true>
using CompositionFromFugacities = Dumux::CompositionFromFugacities<Scalar, typename Traits::FluidSystem>;
using ParameterCache = typename Traits::FluidSystem::ParameterCache;
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<ModelTraits::numFluidPhases(), ParentType::numFluidComponents()>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! Export the underlying fluid system
diff --git a/dumux/porousmediumflow/richardsnc/volumevariables.hh b/dumux/porousmediumflow/richardsnc/volumevariables.hh
index 15d43fcae0..204e71ea93 100644
--- a/dumux/porousmediumflow/richardsnc/volumevariables.hh
+++ b/dumux/porousmediumflow/richardsnc/volumevariables.hh
@@ -55,7 +55,7 @@ class RichardsNCVolumeVariables
static constexpr bool useMoles = Traits::ModelTraits::useMoles();
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<2, numFluidComps>;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<>;
public:
//! Export type of the fluid system
diff --git a/dumux/porousmediumflow/tracer/volumevariables.hh b/dumux/porousmediumflow/tracer/volumevariables.hh
index fbd1ec6fba..9c072e2770 100644
--- a/dumux/porousmediumflow/tracer/volumevariables.hh
+++ b/dumux/porousmediumflow/tracer/volumevariables.hh
@@ -59,7 +59,9 @@ class TracerVolumeVariables
static constexpr bool useMoles = Traits::ModelTraits::useMoles();
using EffDiffModel = typename Traits::EffectiveDiffusivityModel;
static constexpr int numFluidComps = ParentType::numFluidComponents();
- using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<1, numFluidComps>;
+
+ static constexpr bool onlyTracerComponents = true;
+ using DiffusionCoefficients = typename Traits::DiffusionType::template DiffusionCoefficientsContainer<onlyTracerComponents>;
public:
//! Export fluid system type
@@ -100,11 +102,11 @@ public:
// Update the binary diffusion and effective diffusion coefficients.
auto getDiffusionCoefficient = [&](int phaseIdx, int compIIdx, int compJIdx)
{
- return FluidSystem::binaryDiffusionCoefficient( compIIdx,
- compJIdx,
- problem,
- element,
- scv);
+ return FluidSystem::binaryDiffusionCoefficient(compIIdx,
+ compJIdx,
+ problem,
+ element,
+ scv);
};
auto getEffectiveDiffusionCoefficient = [&](int phaseIdx, int compIIdx, int compJIdx)
diff --git a/examples/1ptracer/problem_tracer.hh b/examples/1ptracer/problem_tracer.hh
index 804d5ae6bf..c38ebed6ac 100644
--- a/examples/1ptracer/problem_tracer.hh
+++ b/examples/1ptracer/problem_tracer.hh
@@ -133,7 +133,8 @@ public:
// We set the value for the binary diffusion coefficient. This
// might depend on spatial parameters like pressure / temperature.
// But, in this case we neglect diffusion and return 0.0:
- static Scalar binaryDiffusionCoefficient(unsigned int compIdx,
+ static Scalar binaryDiffusionCoefficient(unsigned int compIdxI,
+ unsigned int compIdxJ,
const Problem& problem,
const Element& element,
const SubControlVolume& scv)
--
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