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netgen/libsrc/interface/nginterface_v2.cpp
Joachim Schoeberl 22aee3b3a5 simd-mapping of point elements
2021-02-05 11:42:45 +01:00

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#include <meshing.hpp>
#ifdef SOCKETS
#include "../sockets/sockets.hpp"
#endif
#include "nginterface.h"
#include "nginterface_v2.hpp"
// #include <visual.hpp>
#include "writeuser.hpp"
namespace netgen
{
extern shared_ptr<Mesh> mesh;
}
namespace netgen
{
#define NGX_INLINE
#include "nginterface_v2_impl.hpp"
shared_ptr<Mesh> Ngx_Mesh :: SelectMesh () const
{
shared_ptr<Mesh> hmesh = netgen::mesh;
netgen::mesh = mesh;
SetGlobalMesh (mesh);
return hmesh;
}
Ngx_Mesh :: Ngx_Mesh (shared_ptr<Mesh> amesh)
{ mesh = amesh ? amesh : netgen::mesh; }
Ngx_Mesh :: Ngx_Mesh (string filename, NgMPI_Comm acomm)
{ LoadMesh(filename, acomm); }
Ngx_Mesh * LoadMesh (const string & filename, NgMPI_Comm comm)
{
netgen::mesh.reset();
Ng_LoadMesh (filename.c_str(), comm);
return new Ngx_Mesh (netgen::mesh);
}
void Ngx_Mesh :: LoadMesh (const string & filename, NgMPI_Comm comm)
{
netgen::mesh.reset();
Ng_LoadMesh (filename.c_str(), comm);
// mesh = move(netgen::mesh);
mesh = netgen::mesh;
}
void Ngx_Mesh :: LoadMesh (istream & ist, NgMPI_Comm comm)
{
netgen::mesh = make_shared<Mesh>();
netgen::mesh->SetCommunicator(comm);
netgen::mesh -> Load (ist);
// mesh = move(netgen::mesh);
mesh = netgen::mesh;
SetGlobalMesh (mesh);
}
const NgMPI_Comm & Ngx_Mesh :: GetCommunicator() const
{
// return Valid() ? mesh->GetCommunicator() : NgMPI_Comm{};
if (!Valid()) throw Exception("Ngx_mesh::GetCommunicator: don't have a valid mesh");
return mesh->GetCommunicator();
}
void Ngx_Mesh :: SaveMesh (ostream & ost) const
{
mesh -> Save (ost);
}
void Ngx_Mesh :: DoArchive (Archive & archive)
{
#ifdef PARALLEL
if (archive.Input()) {
mesh = make_shared<Mesh>();
mesh->SetCommunicator(GetCommunicator());
}
#endif
mesh->DoArchive(archive);
if (archive.Input())
{
netgen::mesh = mesh;
SetGlobalMesh (mesh);
}
/*
if (archive.Output())
{
stringstream str;
SaveMesh (str);
string st = str.str();
archive & st;
}
else
{
string st;
archive & st;
stringstream str(st);
LoadMesh (str);
}
*/
}
void Ngx_Mesh :: UpdateTopology ()
{
if (mesh)
mesh -> UpdateTopology();
}
/*
Ngx_Mesh :: Ngx_Mesh (Mesh * amesh)
: mesh(amesh)
{ ; }
*/
Ngx_Mesh :: ~Ngx_Mesh ()
{
// causes crashes when global variable netgen::mesh is destructed
// before visualization data
if (mesh == netgen::mesh)
netgen::mesh = nullptr;
}
int Ngx_Mesh :: GetDimension() const
{
return mesh -> GetDimension();
}
int Ngx_Mesh :: GetNLevels() const
{
return max(size_t(1), mesh -> level_nv.Size());
}
size_t Ngx_Mesh :: GetNVLevel(int level) const
{
if (level >= mesh->level_nv.Size())
return mesh->GetNV();
else
return mesh->level_nv[level];
}
int Ngx_Mesh :: GetNElements (int dim) const
{
switch (dim)
{
case 0: return mesh -> pointelements.Size();
case 1: return mesh -> GetNSeg();
case 2: return mesh -> GetNSE();
case 3: return mesh -> GetNE();
}
return -1;
}
int Ngx_Mesh :: GetNNodes (int nt) const
{
switch (nt)
{
case 0: return mesh -> GetNV();
case 1: return mesh->GetTopology().GetNEdges();
case 2: return mesh->GetTopology().GetNFaces();
case 3: return mesh -> GetNE();
}
return -1;
}
/*
Ng_Point Ngx_Mesh :: GetPoint (int nr) const
{
return Ng_Point (&mesh->Point(nr + PointIndex::BASE)(0));
}
*/
/*
template <> DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<0> (int nr) const
{
const Element0d & el = mesh->pointelements[nr];
Ng_Element ret;
ret.type = NG_PNT;
ret.index = el.index;
ret.points.num = 1;
ret.points.ptr = (int*)&el.pnum;
ret.vertices.num = 1;
ret.vertices.ptr = (int*)&el.pnum;
ret.edges.num = 0;
ret.edges.ptr = NULL;
ret.faces.num = 0;
ret.faces.ptr = NULL;
return ret;
}
*/
/*
template <> DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<1> (int nr) const
{
const Segment & el = mesh->LineSegment (SegmentIndex(nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&(el[0]);
ret.vertices.num = 2;
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = 1;
ret.edges.ptr = mesh->GetTopology().GetSegmentElementEdgesPtr (nr);
ret.faces.num = 0;
ret.faces.ptr = NULL;
return ret;
}
template <> DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<2> (int nr) const
{
const Element2d & el = mesh->SurfaceElement (SurfaceElementIndex (nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&el[0];
ret.vertices.num = el.GetNV();
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = MeshTopology::GetNEdges (el.GetType());
ret.edges.ptr = mesh->GetTopology().GetSurfaceElementEdgesPtr (nr);
ret.faces.num = MeshTopology::GetNFaces (el.GetType());
ret.faces.ptr = mesh->GetTopology().GetSurfaceElementFacesPtr (nr);
return ret;
}
template <> DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<3> (int nr) const
{
const Element & el = mesh->VolumeElement (ElementIndex (nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&el[0];
ret.vertices.num = el.GetNV();
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = MeshTopology::GetNEdges (el.GetType());
ret.edges.ptr = mesh->GetTopology().GetElementEdgesPtr (nr);
ret.faces.num = MeshTopology::GetNFaces (el.GetType());
ret.faces.ptr = mesh->GetTopology().GetElementFacesPtr (nr);
return ret;
}
*/
/*
template <>
DLL_HEADER int Ngx_Mesh :: GetElementIndex<0> (int nr) const
{
return 0;
}
template <>
DLL_HEADER int Ngx_Mesh :: GetElementIndex<1> (int nr) const
{
return (*mesh)[SegmentIndex(nr)].si;
}
template <>
DLL_HEADER int Ngx_Mesh :: GetElementIndex<2> (int nr) const
{
int ind = (*mesh)[SurfaceElementIndex(nr)].GetIndex();
return mesh->GetFaceDescriptor(ind).BCProperty();
}
template <>
DLL_HEADER int Ngx_Mesh :: GetElementIndex<3> (int nr) const
{
return (*mesh)[ElementIndex(nr)].GetIndex();
}
*/
/*
DLL_HEADER Ng_Point Ng_GetPoint (int nr)
{
Ng_Point ret;
ret.pt = &mesh->Point(nr + PointIndex::BASE)(0);
return ret;
}
template <>
DLL_HEADER int Ng_GetElementIndex<1> (int nr)
{
return (*mesh)[SegmentIndex(nr)].si;
}
template <>
DLL_HEADER int Ng_GetElementIndex<2> (int nr)
{
int ind = (*mesh)[SurfaceElementIndex(nr)].GetIndex();
return mesh->GetFaceDescriptor(ind).BCProperty();
}
template <>
DLL_HEADER int Ng_GetElementIndex<3> (int nr)
{
return (*mesh)[ElementIndex(nr)].GetIndex();
}
template <> int DLL_HEADER Ng_GetNElements<0> ()
{
return 0;
}
template <> int DLL_HEADER Ng_GetNElements<1> ()
{
return mesh->GetNSeg();
}
template <> DLL_HEADER int Ng_GetNElements<2> ()
{
return mesh->GetNSE();
}
template <> DLL_HEADER int Ng_GetNElements<3> ()
{
return mesh->GetNE();
}
template <> DLL_HEADER Ng_Element Ng_GetElement<0> (int nr)
{
cout << "Netgen does not support 0-D elements" << endl;
Ng_Element ret;
return ret;
}
template <> DLL_HEADER Ng_Element Ng_GetElement<1> (int nr)
{
const Segment & el = mesh->LineSegment (SegmentIndex(nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&(el[0]);
ret.vertices.num = 2;
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = 1;
ret.edges.ptr = mesh->GetTopology().GetSegmentElementEdgesPtr (nr);
ret.faces.num = 0;
ret.faces.ptr = NULL;
return ret;
}
template <> DLL_HEADER Ng_Element Ng_GetElement<2> (int nr)
{
const Element2d & el = mesh->SurfaceElement (SurfaceElementIndex (nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&el[0];
ret.vertices.num = el.GetNV();
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = MeshTopology::GetNEdges (el.GetType());
ret.edges.ptr = mesh->GetTopology().GetSurfaceElementEdgesPtr (nr);
ret.faces.num = MeshTopology::GetNFaces (el.GetType());
ret.faces.ptr = mesh->GetTopology().GetSurfaceElementFacesPtr (nr);
return ret;
}
template <> DLL_HEADER Ng_Element Ng_GetElement<3> (int nr)
{
const Element & el = mesh->VolumeElement (ElementIndex (nr));
Ng_Element ret;
ret.type = NG_ELEMENT_TYPE(el.GetType());
ret.points.num = el.GetNP();
ret.points.ptr = (int*)&el[0];
ret.vertices.num = el.GetNV();
ret.vertices.ptr = (int*)&(el[0]);
ret.edges.num = MeshTopology::GetNEdges (el.GetType());
ret.edges.ptr = mesh->GetTopology().GetElementEdgesPtr (nr);
ret.faces.num = MeshTopology::GetNFaces (el.GetType());
ret.faces.ptr = mesh->GetTopology().GetElementFacesPtr (nr);
return ret;
}
*/
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<3,3> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<3> xl(xi[0], xi[1], xi[2]);
Point<3> xg;
Mat<3,3> dx;
mesh->GetCurvedElements().CalcElementTransformation (xl, elnr, xg, dx);
if (x)
for (int i = 0; i < 3; i++) x[i] = xg(i);
if (dxdxi)
for (int i=0; i<3; i++)
{
dxdxi[3*i] = dx(i,0);
dxdxi[3*i+1] = dx(i,1);
dxdxi[3*i+2] = dx(i,2);
}
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<2,3> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<2> xl(xi[0], xi[1]);
Point<3> xg;
Mat<3,2> dx;
mesh->GetCurvedElements().CalcSurfaceTransformation (xl, elnr, xg, dx);
if (x)
for (int i = 0; i < 3; i++) x[i] = xg(i);
if (dxdxi)
for (int i=0; i<3; i++)
{
dxdxi[2*i] = dx(i,0);
dxdxi[2*i+1] = dx(i,1);
}
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<1,3> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<3> xg;
Vec<3> dx;
mesh->GetCurvedElements().CalcSegmentTransformation(xi[0],elnr,xg,dx);
if(x)
for(int i=0;i<3;i++) x[i] = xg(i);
if(dxdxi)
for(int i=0;i<3;i++) dxdxi[i] = dx(i);
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<0,3> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
PointIndex pi = mesh->pointelements[elnr].pnum;
Point<3> xg = mesh->Point(pi);
if (x)
for(int i=0;i<3;i++) x[i] = xg(i);
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<2,2> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<2> xl(xi[0], xi[1]);
Point<3> xg;
Mat<3,2> dx;
mesh->GetCurvedElements().CalcSurfaceTransformation (xl, elnr, xg, dx);
if (x)
for (int i = 0; i < 2; i++) x[i] = xg(i);
if (dxdxi)
for (int i=0; i<2; i++)
{
dxdxi[2*i] = dx(i,0);
dxdxi[2*i+1] = dx(i,1);
}
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<1,2> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<3> xg;
Vec<3> dx;
mesh->GetCurvedElements().CalcSegmentTransformation (xi[0], elnr, xg, dx);
if (x)
for (int i = 0; i < 2; i++) x[i] = xg(i);
if (dxdxi)
for (int i=0; i < 2; i++)
dxdxi[i] = dx(i);
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<1,1> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
Point<3> xg;
Vec<3> dx;
mesh->GetCurvedElements().CalcSegmentTransformation (xi[0], elnr, xg, dx);
if (x) x[0] = xg(0);
if (dxdxi) dxdxi[0] = dx(0);
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<0,2> (int elnr,
const double *xi,
double * x,
double * dxdxi) const
{
PointIndex pnum = mesh->pointelements[elnr].pnum;
if (x)
for (int i = 0; i< 2; i++) x[i] = (*mesh)[pnum](i);
}
template <> DLL_HEADER void Ngx_Mesh ::
ElementTransformation<0,1> (int elnr,
const double * xi,
double * x,
double * dxdxi) const
{
PointIndex pnum = mesh->pointelements[elnr].pnum;
if (x) x[0] = (*mesh)[pnum](0);
// if (dxdxi) dxdxi[0] = 0;
// Jacobi-matrix is 1 x 0 !!!
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<3,3> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointElementTransformation (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<2,2> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSurfaceTransformation<2> (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<2,3> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSurfaceTransformation<3> (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,3> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSegmentTransformation<3> (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,3> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
for (int i = 0; i < npts; i++)
ElementTransformation<0,3> (elnr, xi+i*sxi, x+i*sx, dxdxi+i*sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,2> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSegmentTransformation<2> (elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,1> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
for (int i = 0; i < npts; i++)
ElementTransformation<1,1> (elnr, xi + i*sxi, x+i*sx, dxdxi+i*sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,2> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
for (int i = 0; i < npts; i++)
ElementTransformation<0,2> (elnr, xi + i*sxi, x+i*sx, dxdxi+i*sdxdxi);
}
template <> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,1> (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi) const
{
for (int i = 0; i < npts; i++)
ElementTransformation<0,1> (elnr, xi + i*sxi, x+i*sx, dxdxi+i*sdxdxi);
}
int Ngx_Mesh :: GetHPElementLevel (int ei, int dir) const
{
ei++;
int level = -1;
if (mesh->hpelements)
{
int hpelnr = -1;
if (mesh->GetDimension() == 2)
hpelnr = mesh->SurfaceElement(ei).hp_elnr;
else
hpelnr = mesh->VolumeElement(ei).hp_elnr;
if (hpelnr < 0)
throw NgException("Ngx_Mesh::GetHPElementLevel: Wrong hp-element number!");
if (dir == 1)
level = (*mesh->hpelements)[hpelnr].levelx;
else if (dir == 2)
level = (*mesh->hpelements)[hpelnr].levely;
else if (dir == 3)
level = (*mesh->hpelements)[hpelnr].levelz;
else
throw NgException("Ngx_Mesh::GetHPElementLevel: dir has to be 1, 2 or 3!");
}
//else
// throw NgException("Ngx_Mesh::GetHPElementLevel only for HPRefinement implemented!");
return level;
}
int Ngx_Mesh :: GetParentElement (int ei) const
{
ei++;
if (mesh->GetDimension() == 3)
{
if (ei <= mesh->mlparentelement.Size())
return mesh->mlparentelement.Get(ei)-1;
}
else
{
if (ei <= mesh->mlparentsurfaceelement.Size())
return mesh->mlparentsurfaceelement.Get(ei)-1;
}
return -1;
}
int Ngx_Mesh :: GetParentSElement (int ei) const
{
ei++;
if (mesh->GetDimension() == 3)
{
if (ei <= mesh->mlparentsurfaceelement.Size())
return mesh->mlparentsurfaceelement.Get(ei)-1;
}
else
{
return -1;
}
return -1;
}
int Ngx_Mesh :: GetNIdentifications () const
{
return mesh->GetIdentifications().GetMaxNr();
}
int Ngx_Mesh :: GetIdentificationType(int idnr) const
{
return mesh->GetIdentifications().GetType(idnr+1);
}
Ng_BufferMS<int,4> Ngx_Mesh::GetFaceEdges (int fnr) const
{
const MeshTopology & topology = mesh->GetTopology();
NgArrayMem<int,4> ia;
topology.GetFaceEdges (fnr+1, ia);
Ng_BufferMS<int,4> res(ia.Size());
for (size_t i = 0; i < ia.Size(); i++)
res[i] = ia[i]-1;
return res;
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,1> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
cout << "multi-eltrafo simd called, 1,1,simd" << endl;
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<2,2> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSurfaceTransformation<2>
(elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
/*
for (int i = 0; i < npts; i++)
{
double hxi[4][2];
double hx[4][2];
double hdxdxi[4][4];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 2; k++)
hxi[j][k] = ((double*)&(xi[k]))[j];
MultiElementTransformation<2,2> (elnr, 4, &hxi[0][0], 2, &hx[0][0], 2, &hdxdxi[0][0], 4);
for (int j = 0; j < 4; j++)
for (int k = 0; k < 2; k++)
((double*)&(x[k]))[j] = hx[j][k];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 4; k++)
((double*)&(dxdxi[k]))[j] = hdxdxi[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
}
*/
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<3,3> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointElementTransformation
(elnr, npts,
xi, sxi,
x, sx,
dxdxi, sdxdxi);
/*
for (int i = 0; i < npts; i++)
{
double hxi[4][3];
double hx[4][3];
double hdxdxi[4][9];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 3; k++)
hxi[j][k] = ((double*)&(xi[k]))[j];
MultiElementTransformation<3,3> (elnr, 4, &hxi[0][0], 3, &hx[0][0], 3, &hdxdxi[0][0], 9);
for (int j = 0; j < 4; j++)
for (int k = 0; k < 3; k++)
((double*)&(x[k]))[j] = hx[j][k];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 9; k++)
((double*)&(dxdxi[k]))[j] = hdxdxi[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
}
*/
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,2> (int elnr, int npts,
const SIMD<double> *xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
//cout << "MultiElementtransformation<0,2> simd not implemented" << endl;
PointIndex pi = mesh->pointelements[elnr].pnum;
Point<3> xg = mesh->Point(pi);
if (x)
for (int j = 0; j < npts; j++)
for (int i = 0; i < 2; i++)
x[j*sx+i] = xg(i);
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,1> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
//cout << "multi-eltrafo simd called, 0,1,simd" << endl;
PointIndex pi = mesh->pointelements[elnr].pnum;
Point<3> xg = mesh->Point(pi);
if (x)
for (int j = 0; j < npts; j++)
for (int i = 0; i < 1; i++)
x[j*sx+i] = xg(i);
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,3> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSegmentTransformation<3>
(elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
/*
double hxi[4][1];
double hx[4][3];
double hdxdxi[4][3];
for (int j = 0; j<4;j++)
hxi[j][0] = ((double*)&(xi[0]))[j];
MultiElementTransformation<1,3> (elnr, 4, &hxi[0][0], 1, &hx[0][0], 3, &hdxdxi[0][0],3);
for(int j=0; j<4; j++)
for(int k=0; k<3; k++)
((double*)&(x[k]))[j] = hx[j][k];
for(int j=0; j< 4; j++)
for (int k = 0; k<3; k++)
((double*) & (dxdxi[k]))[j] = hdxdxi[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
*/
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<1,2> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSegmentTransformation<2>
(elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
/*
for (int i = 0; i < npts; i++)
{
double hxi[4][1];
double hx[4][2];
double hdxdxi[4][2];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 1; k++)
hxi[j][k] = ((double*)&(xi[k]))[j];
MultiElementTransformation<1,2> (elnr, 4, &hxi[0][0], 1, &hx[0][0], 2, &hdxdxi[0][0], 2);
for (int j = 0; j < 4; j++)
for (int k = 0; k < 2; k++)
((double*)&(x[k]))[j] = hx[j][k];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 2; k++)
((double*)&(dxdxi[k]))[j] = hdxdxi[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
}
*/
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<2,3> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
mesh->GetCurvedElements().CalcMultiPointSurfaceTransformation<3>
(elnr, npts, xi, sxi, x, sx, dxdxi, sdxdxi);
/*
for (int i = 0; i < npts; i++)
{
double hxi[4][2];
double hx[4][3];
double hdxdxi[4][6];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 2; k++)
hxi[j][k] = ((double*)&(xi[k]))[j];
MultiElementTransformation<2,3> (elnr, 4, &hxi[0][0], 2, &hx[0][0], 3, &hdxdxi[0][0], 6);
for (int j = 0; j < 4; j++)
for (int k = 0; k < 3; k++)
((double*)&(x[k]))[j] = hx[j][k];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 6; k++)
((double*)&(dxdxi[k]))[j] = hdxdxi[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
}
*/
}
template<> DLL_HEADER void Ngx_Mesh ::
MultiElementTransformation<0,3> (int elnr, int npts,
const SIMD<double> * xi, size_t sxi,
SIMD<double> * x, size_t sx,
SIMD<double> * dxdxi, size_t sdxdxi) const
{
for (int i = 0; i < npts; i++)
{
double hxi[4][1];
double hx[4][3];
for (int j = 0; j < 4; j++)
for (int k = 0; k < 1; k++)
hxi[j][k] = ((double*)&(xi[k]))[j];
MultiElementTransformation<0,3> (elnr, 4, &hxi[0][0], 2, &hx[0][0], 3, (double*)nullptr, 0);
for (int j = 0; j < 4; j++)
for (int k = 0; k < 3; k++)
((double*)&(x[k]))[j] = hx[j][k];
xi += sxi;
x += sx;
dxdxi += sdxdxi;
}
}
template <>
DLL_HEADER int Ngx_Mesh :: FindElementOfPoint <1>
(double * hp, double * lami,
bool build_searchtree,
int * const indices, int numind) const
{
switch (mesh->GetDimension())
{
case 1:
{
Point<3> p(hp[0], 0,0);
for (SegmentIndex si = 0; si < mesh->GetNSeg(); si++)
{
auto & seg = (*mesh)[si];
Point<3> p1 = (*mesh)[seg[0]];
Point<3> p2 = (*mesh)[seg[1]];
double lam = (p(0)-p1(0)) / (p2(0)-p1(0));
if (lam >= -1e-10 && lam <= 1+1e-10)
{
lami[0] = 1-lam;
return si;
}
}
}
break;
case 2:
{
Point<3> p(hp[0], hp[1],0);
for (SegmentIndex si = 0; si < mesh->GetNSeg(); si++)
{
auto & seg = (*mesh)[si];
Point<3> p1 = (*mesh)[seg[0]];
Point<3> p2 = (*mesh)[seg[1]];
double lam;
double r;
if (fabs(p2[0]-p1[0]) >= fabs(p2[1]-p1[1]))
{
lam = (p[0]-p1[0])/(p2[0]-p1[0]);
r = p[1] - p1[1] - lam*(p2[1]-p1[1]);
}
else
{
lam = (p[1]-p1[1])/(p2[1]-p1[1]);
r = p[0] - p1[0] - lam*(p2[0]-p1[0]);
}
if ( lam >= -1e-10 && lam <= 1+1e-10 && fabs(r) <= 1e-10 )
{
lami[0] = 1-lam;
return si;
}
}
}
break;
case 3:
default:
throw Exception("FindElementOfPoint<1> only implemented for mesh-dimension 1 and 2!");
break;
}
return -1;
}
template <>
DLL_HEADER int Ngx_Mesh :: FindElementOfPoint <2>
(double * p, double * lami,
bool build_searchtree,
int * const indices, int numind) const
{
NgArray<int> dummy(numind);
for (int i = 0; i < numind; i++) dummy[i] = indices[i]+1;
double lam3[3];
int ind;
if (mesh->GetDimension() == 2)
{
Point<3> p2d(p[0], p[1], 0);
ind = mesh->GetElementOfPoint(p2d, lam3, &dummy, build_searchtree);
}
else
{
Point3d p3d(p[0], p[1], p[2]);
ind = mesh->GetSurfaceElementOfPoint(p3d, lam3, &dummy, build_searchtree);
}
if (ind > 0)
{
if(mesh->SurfaceElement(ind).GetType()==QUAD || mesh->SurfaceElement(ind).GetType()==TRIG6)
{
lami[0] = lam3[0];
lami[1] = lam3[1];
}
else
{
lami[0] = 1-lam3[0]-lam3[1];
lami[1] = lam3[0];
}
}
return ind-1;
}
template <>
DLL_HEADER int Ngx_Mesh :: FindElementOfPoint <3>
(double * p, double * lami,
bool build_searchtree,
int * const indices, int numind) const
{
NgArray<int> dummy(numind);
for (int i = 0; i < numind; i++) dummy[i] = indices[i]+1;
Point<3> p3d(p[0], p[1], p[2]);
int ind =
mesh->GetElementOfPoint(p3d, lami, &dummy, build_searchtree);
return ind-1;
}
void Ngx_Mesh :: Curve (int order)
{
NgLock meshlock (mesh->MajorMutex(), true);
mesh->BuildCurvedElements(order);
}
int Ngx_Mesh :: GetCurveOrder ()
{
return mesh->GetCurvedElements().GetOrder();
}
template <>
DLL_HEADER void Ngx_Mesh :: SetRefinementFlag<2> (size_t elnr, bool flag)
{
mesh->SurfaceElement(elnr+1).SetRefinementFlag(flag);
}
template <>
DLL_HEADER void Ngx_Mesh :: SetRefinementFlag<3> (size_t elnr, bool flag)
{
mesh->VolumeElement(elnr+1).SetRefinementFlag(flag);
}
void Ngx_Mesh :: Refine (NG_REFINEMENT_TYPE reftype,
void (*task_manager)(function<void(int,int)>),
NgTracer tracer)
{
NgLock meshlock (mesh->MajorMutex(), 1);
BisectionOptions biopt;
biopt.usemarkedelements = 1;
biopt.refine_p = 0;
biopt.refine_hp = 0;
if (reftype == NG_REFINE_P)
biopt.refine_p = 1;
if (reftype == NG_REFINE_HP)
biopt.refine_hp = 1;
biopt.task_manager = task_manager;
biopt.tracer = tracer;
mesh->GetGeometry()->GetRefinement().Bisect (*mesh, biopt);
(*tracer)("call updatetop", false);
mesh -> UpdateTopology(task_manager, tracer);
(*tracer)("call updatetop", true);
mesh -> GetCurvedElements().SetIsHighOrder (false);
}
// just copied with redesign
size_t Ngx_Mesh::GetNP() const
{
return mesh->GetNP();
}
int Ngx_Mesh::GetSurfaceElementSurfaceNumber (size_t ei) const
{
if (mesh->GetDimension() == 3)
return mesh->GetFaceDescriptor(mesh->SurfaceElement(ei).GetIndex()).SurfNr();
else
return mesh->LineSegment(ei).si;
}
int Ngx_Mesh::GetSurfaceElementFDNumber (size_t ei) const
{
if (mesh->GetDimension() == 3)
return mesh->SurfaceElement(ei).GetIndex();
else
return -1;
}
void Ngx_Mesh::HPRefinement (int levels, double parameter, bool setorders,
bool ref_level)
{
NgLock meshlock (mesh->MajorMutex(), true);
Refinement & ref = const_cast<Refinement&> (mesh->GetGeometry()->GetRefinement());
::netgen::HPRefinement (*mesh, &ref, levels, parameter, setorders, ref_level);
}
int Ngx_Mesh::GetElementOrder (int enr) const
{
if (mesh->GetDimension() == 3)
return mesh->VolumeElement(enr).GetOrder();
else
return mesh->SurfaceElement(enr).GetOrder();
}
void Ngx_Mesh::GetElementOrders (int enr, int * ox, int * oy, int * oz) const
{
if (mesh->GetDimension() == 3)
mesh->VolumeElement(enr).GetOrder(*ox, *oy, *oz);
else
mesh->SurfaceElement(enr).GetOrder(*ox, *oy, *oz);
}
void Ngx_Mesh::SetElementOrder (int enr, int order)
{
if (mesh->GetDimension() == 3)
return mesh->VolumeElement(enr).SetOrder(order);
else
return mesh->SurfaceElement(enr).SetOrder(order);
}
void Ngx_Mesh::SetElementOrders (int enr, int ox, int oy, int oz)
{
if (mesh->GetDimension() == 3)
mesh->VolumeElement(enr).SetOrder(ox, oy, oz);
else
mesh->SurfaceElement(enr).SetOrder(ox, oy);
}
int Ngx_Mesh::GetSurfaceElementOrder (int enr) const
{
return mesh->SurfaceElement(enr).GetOrder();
}
int Ngx_Mesh::GetClusterRepVertex (int pi) const
{
return mesh->GetClusters().GetVertexRepresentant(pi);
}
int Ngx_Mesh::GetClusterRepEdge (int pi) const
{
return mesh->GetClusters().GetEdgeRepresentant(pi);
}
int Ngx_Mesh::GetClusterRepFace (int pi) const
{
return mesh->GetClusters().GetFaceRepresentant(pi);
}
int Ngx_Mesh::GetClusterRepElement (int pi) const
{
return mesh->GetClusters().GetElementRepresentant(pi);
}
//HERBERT: falsche Anzahl von Argumenten
//void Ngx_Mesh::GetSurfaceElementOrders (int enr, int * ox, int * oy, int * oz)
void Ngx_Mesh::GetSurfaceElementOrders (int enr, int * ox, int * oy) const
{
int d;
mesh->SurfaceElement(enr).GetOrder(*ox, *oy, d);
}
void Ngx_Mesh::SetSurfaceElementOrder (int enr, int order)
{
return mesh->SurfaceElement(enr).SetOrder(order);
}
void Ngx_Mesh::SetSurfaceElementOrders (int enr, int ox, int oy)
{
mesh->SurfaceElement(enr).SetOrder(ox, oy);
}
size_t Ngx_Mesh :: GetGlobalVertexNum (int locnum) const
{
#ifdef PARALLEL
return mesh->GetParallelTopology().GetGlobalPNum (locnum+1)-1;
#else
return locnum;
#endif
}
FlatArray<int> Ngx_Mesh :: GetDistantProcs (int nodetype, int locnum) const
{
#ifdef PARALLEL
if (mesh->GetCommunicator().Size() == 1)
return FlatArray<int>(0,nullptr);
switch (nodetype)
{
case 0:
return mesh->GetParallelTopology().GetDistantPNums(locnum);
case 1:
return mesh->GetParallelTopology().GetDistantEdgeNums(locnum);
case 2:
return mesh->GetParallelTopology().GetDistantFaceNums(locnum);
default:
return FlatArray<int>(0, nullptr);
}
#else
return FlatArray<int>(0,nullptr);
#endif
}
}
int link_it_nginterface_v2;
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