/usr/include/dune/pdelab/function/callableadapter.hh is in libdune-pdelab-dev 2.5.0~20170124g7cf9f47a-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 | // -*- tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=8 sw=2 sts=2:
#ifndef DUNE_PDELAB_FUNCTION_CALLABLEADAPTER_HH
#define DUNE_PDELAB_FUNCTION_CALLABLEADAPTER_HH
#include <utility>
#include <type_traits>
#include <dune/common/fvector.hh>
#include <dune/common/typetraits.hh>
#include <dune/pdelab/common/function.hh>
#include <dune/pdelab/constraints/common/constraintsparameters.hh>
namespace Dune {
namespace PDELab {
/************************
* Grid function adapters
************************/
/** \brief Adapter for callables f(x) expecting a global coordinate x */
template<typename GV, typename RF, int n, typename F>
class GlobalCallableToGridFunctionAdapter
: public Dune::PDELab::GridFunctionBase<Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> >,
GlobalCallableToGridFunctionAdapter<GV,RF,n,F> >
{
GV gv;
F f;
public:
typedef Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> > Traits;
//! construct from grid view
GlobalCallableToGridFunctionAdapter (const GV& gv_, const F& f_) : gv(gv_), f(f_) {}
//! get a reference to the grid view
inline const GV& getGridView () const {return gv;}
//! evaluate extended function on element
inline void evaluate (const typename Traits::ElementType& e,
const typename Traits::DomainType& xl,
typename Traits::RangeType& y) const
{
typename Traits::DomainType xg = e.geometry().global(xl);
y = f(xg);
}
};
template<typename T>
struct CallableAdapterGetDim {
enum {dim=1};
};
template<typename T, int n>
struct CallableAdapterGetDim< FieldVector<T,n> > {
enum {dim=n};
};
template<typename T>
struct CallableAdapterGetRangeFieldType {
typedef T Type;
};
template<typename T, int n>
struct CallableAdapterGetRangeFieldType< FieldVector<T,n> > {
typedef T Type;
};
/** \brief Adapter for callables f(e,x) expecting an entity e and a global coordinate x */
template<typename GV, typename RF, int n, typename F>
class LocalCallableToGridFunctionAdapter
: public Dune::PDELab::GridFunctionBase<Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> >,
LocalCallableToGridFunctionAdapter<GV,RF,n,F> >
{
GV gv;
F f;
public:
typedef Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> > Traits;
//! construct from grid view
LocalCallableToGridFunctionAdapter (const GV& gv_, const F& f_) : gv(gv_), f(f_) {}
//! get a reference to the grid view
inline const GV& getGridView () {return gv;}
//! evaluate extended function on element
inline void evaluate (const typename Traits::ElementType& e,
const typename Traits::DomainType& xl,
typename Traits::RangeType& y) const
{
y = f(e,xl);
}
};
#ifdef DOXYGEN
//! \brief Create a GridFunction adapter from a callable
/**
* \param gv A GridView
* \param f A callable of one of the two forms:
* 1. f(x) taking a global coordinate x of type
* typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate.
* 2. f(e,x) taking an Entity e
* coordinate x or of the form f(e,x) taking an Entity e and a local
* coordinate x of type Entity::Geometry::LocalCoordinate.
* \return A GlobalCallableToGridFunctionAdapter or a LocalCallableToGridFunctionAdapter.
*/
template <typename GV, typename F>
WrapperConformingToGridFunctionInterface makeGridFunctionFromCallable (const GV& gv, const F& f)
{}
#endif
#ifndef DOXYGEN
/** \brief Create PDELab GridFunction from a callable f(x) that expects a global coordinate x */
template <typename GV, typename F>
auto makeGridFunctionFromCallable (const GV& gv, const F& f)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::value,
GlobalCallableToGridFunctionAdapter<
GV,
typename CallableAdapterGetRangeFieldType<
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::Type,
CallableAdapterGetDim<
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::dim,
F>
>::type
{
typedef typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate X;
X x;
typedef decltype(f(x)) ReturnType;
typedef typename CallableAdapterGetRangeFieldType<ReturnType>::Type RF;
const int dim = CallableAdapterGetDim<ReturnType>::dim;
typedef GlobalCallableToGridFunctionAdapter<GV,RF,dim,F> TheType;
return TheType(gv,f);
}
/** \brief Create PDELab GridFunction from a callable f(e,x) that expects
an entity e and a local coordinate x */
template <typename GV, typename F>
auto makeGridFunctionFromCallable (const GV& gv, const F& f)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::value,
LocalCallableToGridFunctionAdapter<
GV,
typename CallableAdapterGetRangeFieldType<
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::Type,
CallableAdapterGetDim<
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::dim,
F>
>::type
{
typedef typename GV::template Codim<0>::Entity E;
E e;
typedef typename E::Geometry::LocalCoordinate X;
X x;
typedef decltype(f(e,x)) ReturnType;
typedef typename CallableAdapterGetRangeFieldType<ReturnType>::Type RF;
const int dim = CallableAdapterGetDim<ReturnType>::dim;
typedef LocalCallableToGridFunctionAdapter<GV,RF,dim,F> TheType;
return TheType(gv,f);
}
#endif // DOXYGEN
/*************************************
* Instationary grid function adapters
*************************************/
/** \brief return a PDELab GridFunction (with setTime method) defined by a parameter class and a callable f(x)
global coordinates x */
template<typename GV, typename RF, int n, typename F, typename P>
class GlobalCallableToInstationaryGridFunctionAdapter
: public Dune::PDELab::GridFunctionBase<Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> >,
GlobalCallableToInstationaryGridFunctionAdapter<GV,RF,n,F,P> >
{
GV gv;
F f;
P& p;
public:
typedef Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> > Traits;
//! construct from grid view
GlobalCallableToInstationaryGridFunctionAdapter (const GV& gv_, const F& f_, P& p_)
: gv(gv_), f(f_), p(p_)
{}
//! get a reference to the grid view
inline const GV& getGridView () const {return gv;}
//! evaluate extended function on element
inline void evaluate (const typename Traits::ElementType& e,
const typename Traits::DomainType& xl,
typename Traits::RangeType& y) const
{
typename Traits::DomainType xg = e.geometry().global(xl);
y = f(xg);
}
// pass time to parameter object
void setTime (RF t) {
p.setTime(t);
}
};
/** \brief return a PDELab GridFunction (with setTime method) defined by a parameter class and a callable f(e,x)
that expects an entity e and local coordinates x */
template<typename GV, typename RF, int n, typename F, typename P>
class LocalCallableToInstationaryGridFunctionAdapter
: public Dune::PDELab::GridFunctionBase<Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> >,
LocalCallableToInstationaryGridFunctionAdapter<GV,RF,n,F,P> >
{
GV gv;
F f;
P& p;
public:
typedef Dune::PDELab::
GridFunctionTraits<GV,RF,n,Dune::FieldVector<RF,n> > Traits;
//! construct from grid view
LocalCallableToInstationaryGridFunctionAdapter (const GV& gv_, const F& f_, P& p_) : gv(gv_), f(f_), p(p_) {}
//! get a reference to the grid view
inline const GV& getGridView () {return gv;}
//! evaluate extended function on element
inline void evaluate (const typename Traits::ElementType& e,
const typename Traits::DomainType& xl,
typename Traits::RangeType& y) const
{
y = f(e,xl);
}
// pass time to parameter object
void setTime (RF t) {
p.setTime(t);
}
};
#ifdef DOXYGEN
//! \brief Create a GridFunction from callable and parameter class with setTime method
/**
* \param gv A GridView.
* \param f A callable of one of the two forms:
* 1. f(x) taking a global coordinate x of type
* typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate.
* 2. f(e,x) taking an Entity e
* coordinate x or of the form f(e,x) taking an Entity e and a local
* coordinate x of type Entity::Geometry::LocalCoordinate.
* \param parameter Parameter class.
* \return A GlobalCallableToInstationaryGridFunctionAdapter or a
* LocalCallableToInstationaryGridFunctionAdapter
*/
template <typename GV, typename F>
WrapperConformingToGridFunctionInterface makeInstationaryGridFunctionFromCallable (const GV& gv, const F& f)
{}
#endif
#ifndef DOXYGEN
/** \brief Create PDELab GridFunction with setTime method from a callable f(e,x)
that expects an global coordinate x */
template <typename GV, typename F, typename PARAM>
auto makeInstationaryGridFunctionFromCallable (const GV& gv, const F& f, PARAM& param)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::value,
GlobalCallableToInstationaryGridFunctionAdapter<
GV,
typename CallableAdapterGetRangeFieldType<
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::Type,
CallableAdapterGetDim<
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::dim,
F,
PARAM>
>::type
{
typedef typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate X;
X x;
typedef decltype(f(x)) ReturnType;
typedef typename CallableAdapterGetRangeFieldType<ReturnType>::Type RF;
const int dim = CallableAdapterGetDim<ReturnType>::dim;
typedef GlobalCallableToInstationaryGridFunctionAdapter<GV,RF,dim,F,PARAM> TheType;
return TheType(gv,f,param);
}
/** \brief Create PDELab GridFunction with setTime method from a callable f(e,x)
that expects an entity e and a local coordinate x */
template <typename GV, typename F, typename PARAM>
auto makeInstationaryGridFunctionFromCallable (const GV& gv, const F& f, PARAM& param)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::value,
LocalCallableToInstationaryGridFunctionAdapter<
GV,
typename CallableAdapterGetRangeFieldType<
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::Type,
CallableAdapterGetDim<
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::dim,
F,
PARAM>
>::type
{
typedef typename GV::template Codim<0>::Entity E;
E e;
typedef typename E::Geometry::LocalCoordinate X;
X x;
typedef decltype(f(e,x)) ReturnType;
typedef typename CallableAdapterGetRangeFieldType<ReturnType>::Type RF;
const int dim = CallableAdapterGetDim<ReturnType>::dim;
typedef LocalCallableToInstationaryGridFunctionAdapter<GV,RF,dim,F,PARAM> TheType;
return TheType(gv,f,param);
}
#endif // DOXYGEN
/*****************************
* Boundary condition adapters
*****************************/
/** \brief Adapter for boundary cond from a callable taking global coordinates*/
template<typename F>
class GlobalCallableToBoundaryConditionAdapter
: public Dune::PDELab::DirichletConstraintsParameters
{
F f;
public:
//! construct from functor
GlobalCallableToBoundaryConditionAdapter (F f_) : f(f_) {}
//! Test whether boundary is Dirichlet-constrained
template<typename I>
bool isDirichlet(const I & intersection,
const Dune::FieldVector<typename I::ctype, I::dimension-1> & coord
) const
{
Dune::FieldVector<typename I::ctype, I::dimension> xg = intersection.geometry().global(coord);
return f(xg);
}
template<typename I>
bool isNeumann(const I & ig,
const Dune::FieldVector<typename I::ctype, I::dimension-1> & coord
) const
{
return !isDirichlet( ig, coord );
}
};
/** \brief Adapter for boundary cond from a callable taking an entity and local coordinates*/
template<typename F>
class LocalCallableToBoundaryConditionAdapter :
public Dune::PDELab::FluxConstraintsParameters,
public Dune::PDELab::DirichletConstraintsParameters
{
const F f;
public:
LocalCallableToBoundaryConditionAdapter(const F& f_ )
: f( f_ )
{}
template<typename I>
bool isDirichlet(const I & ig, const Dune::FieldVector<typename I::ctype, I::dimension-1> & coord
) const
{
return(f(ig.intersection(),coord));
}
template<typename I>
bool isNeumann(const I & ig,
const Dune::FieldVector<typename I::ctype, I::dimension-1> & coord
) const
{
return !isDirichlet( ig, coord );
}
};
#ifdef DOXYGEN
//! \brief Create a BoundaryConditionAdapter from a callable
/**
* \param gv A GridView
* \param f A callable of one of the two forms:
* 1. f(x) taking a global coordinate x of type
* typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate.
* 2. f(e,x) taking an Entity e
* coordinate x or of the form f(e,x) taking an Entity e and a local
* coordinate x of type Entity::Geometry::LocalCoordinate.
* \return A GlobalCallableToBoundaryConditionAdapter or a
* LocalCallableToBoundaryConditionAdapter.
*/
template <typename GV, typename F>
BoundaryConditionAdapter makebBoundaryConditionFromCallable (const GV& gv, const F& f)
#endif
#ifndef DOXYGEN
/** \brief Create BoundaryConditionAdapter from a callable f(x) that expects a global coordinate x */
template<typename GV, typename F>
auto makeBoundaryConditionFromCallable (const GV& gv, const F& f)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(std::declval<typename GV::template Codim<0>::Entity::Geometry::GlobalCoordinate>()))
>::value,
GlobalCallableToBoundaryConditionAdapter<F>
>::type
{
return GlobalCallableToBoundaryConditionAdapter<F>(f);
}
/** \brief Create BoundaryConditionAdapter from a callable f(e,x) that expects
an entity e and a global coordinate x */
template<typename GV, typename F>
auto makeBoundaryConditionFromCallable (const GV& gv, const F& f)
-> typename std::enable_if<
AlwaysTrue <
decltype(f(
std::declval<typename GV::template Codim<0>::Entity>(),
std::declval<typename GV::template Codim<0>::Entity::Geometry::LocalCoordinate>()
))
>::value,
LocalCallableToBoundaryConditionAdapter<F>
>::type
{
return LocalCallableToBoundaryConditionAdapter<F>(f);
}
#endif
}
}
#endif // DUNE_PDELAB_FUNCTION_CALLABLEADAPTER_HH
|