madrocketsci/amscudafractallevelset
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madrocketsci
2026-04-28 12:24:14 -04:00
parent df3dda794d
commit 23fec20140
12 changed files with 648 additions and 152 deletions
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34
include/amscudafractallevelset/amscudafractallevelset.cuh
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@ -45,6 +45,18 @@ namespace fractallevelset
__device__ __host__ int isignf(float f);
struct main_functionpars
{
public:
int fractaliter;
float threshold;
float freezethresh;
};
float main_function(cuvec3f pos, main_functionpars &pars);
class bagoftriangles
{
public:
@ -52,6 +64,7 @@ class bagoftriangles
__host__ int ntris() const {return vertices.length/9;}
__host__ int nverts() const {return vertices.length/3;}
__host__ int resize_tris(const int ntris);
__host__ bagoftriangles();
__host__ ~bagoftriangles();
@ -67,8 +80,8 @@ public:
cuvec3f p1;
cuvec3f p2;
cuvec3f normal() const;
float area() const;
__device__ __host__ cuvec3f normal() const;
__device__ __host__ float area() const;
__device__ __host__ triangle();
__device__ __host__ ~triangle();
};
@ -106,6 +119,9 @@ class tetrahedron_feinds
};
__device__ __host__ int mt_count_triangles(const tetrahedron_feinds &fevals);
__device__ __host__ int mt_find_triangles(const tetrahedron &tet, const tetrahedron_feinds &fevals, triangle &tri1, triangle &tri2);
class mtcube
{
public:
@ -120,7 +136,11 @@ class mtcube
//face center nodes 9,10,11,12,13,14
__device__ __host__ tetrahedron get_tetrahedron(const int tet_index) const; //tet_index [0,24)
__device__ __host__ tetrahedron_feinds get_feinds(const int tet_index) const; //tet_index [0,24)
__device__ __host__ void eval_function(); //calls a function under consideration at each of the 15 node points
__device__ __host__ void eval_function(main_functionpars &pars); //calls a function under consideration at each of the 15 node points
__device__ __host__ int count_triangles();
__device__ __host__ void fill_trianglebuffer(float *buffer, int &offset); //fills from offset to offset+ntris*3*3 with the triangles calculated from fevals. Increments offset.
__device__ __host__ float count_triarea(); //counts triangle area without filling a buffer or retaining the mesh
__device__ __host__ mtcube();
__device__ __host__ ~mtcube();
@ -135,12 +155,18 @@ struct marchingtet_pars
int Ny;
int Nz;
int fractaliter;
main_functionpars pars;
__device__ __host__ marchingtet_pars();
};
///////////
// Tests //
///////////
void test_tetorientation();
void test_mtcube_triangulation();
void test_marchingtets();