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/* This ICEd due to an incomplete fix for PR57993. */
/* { dg-compile } */
extern "C"
{
extern double sqrt (double __x) throw ();
typedef long unsigned int size_t;
typedef struct
{
}
__mbstate_t;
void *pov_malloc (size_t size, const char *file, int line, const char *msg);
typedef struct Object_Struct OBJECT;
typedef struct Ray_Struct RAY;
typedef struct istack_struct ISTACK;
typedef struct istk_entry INTERSECTION;
typedef double UV_VECT[2];
typedef double VECTOR[3];
typedef struct Transform_Struct TRANSFORM;
typedef struct Method_Struct METHODS;
typedef int (*ALL_INTERSECTIONS_METHOD) (OBJECT *, RAY *, ISTACK *);
typedef int (*INSIDE_METHOD) (VECTOR, OBJECT *);
typedef void (*NORMAL_METHOD) (VECTOR, OBJECT *, INTERSECTION *);
typedef void (*UVCOORD_METHOD) (UV_VECT, OBJECT *, INTERSECTION *);
typedef void *(*COPY_METHOD) (OBJECT *);
typedef void (*TRANSLATE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
typedef void (*ROTATE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
typedef void (*SCALE_METHOD) (OBJECT *, VECTOR, TRANSFORM *);
typedef void (*TRANSFORM_METHOD) (OBJECT *, TRANSFORM *);
typedef void (*INVERT_METHOD) (OBJECT *);
typedef void (*DESTROY_METHOD) (OBJECT *);
struct Method_Struct
{
ALL_INTERSECTIONS_METHOD All_Intersections_Method;
INSIDE_METHOD Inside_Method;
NORMAL_METHOD Normal_Method;
UVCOORD_METHOD UVCoord_Method;
COPY_METHOD Copy_Method;
TRANSLATE_METHOD Translate_Method;
ROTATE_METHOD Rotate_Method;
SCALE_METHOD Scale_Method;
TRANSFORM_METHOD Transform_Method;
INVERT_METHOD Invert_Method;
DESTROY_METHOD Destroy_Method;
};
typedef struct Bicubic_Patch_Struct BICUBIC_PATCH;
typedef struct Bezier_Node_Struct BEZIER_NODE;
struct Bezier_Node_Struct
{
int Node_Type;
int Count;
};
struct Bicubic_Patch_Struct
{
METHODS *Methods;
int Patch_Type, U_Steps, V_Steps;
VECTOR Control_Points[4][4];
BEZIER_NODE *Node_Tree;
};
typedef enum
{
CSV, SYS, PPM, TARGA, PNG, NONE
}
SHELLDATA;
typedef enum STATS
{
Number_Of_Pixels =
0, Number_Of_Pixels_Supersampled, Number_Of_Samples, Number_Of_Rays,
Calls_To_DNoise, Calls_To_Noise, ADC_Saves, Istack_overflows,
Ray_RBezier_Tests, Ray_RBezier_Tests_Succeeded, Ray_Bicubic_Tests,
Ray_Bicubic_Tests_Succeeded, Ray_Blob_Tests, Ray_Blob_Tests_Succeeded,
Blob_Element_Tests, Blob_Element_Tests_Succeeded, Blob_Bound_Tests,
Blob_Bound_Tests_Succeeded, Ray_Box_Tests, Ray_Box_Tests_Succeeded,
Ray_Cone_Tests, Ray_Cone_Tests_Succeeded, Ray_CSG_Intersection_Tests,
Ray_CSG_Intersection_Tests_Succeeded, Ray_CSG_Merge_Tests,
Ray_CSG_Merge_Tests_Succeeded, Ray_CSG_Union_Tests,
Ray_CSG_Union_Tests_Succeeded, Ray_Disc_Tests, Ray_Disc_Tests_Succeeded,
Ray_Fractal_Tests, Ray_Fractal_Tests_Succeeded, Ray_HField_Tests,
Ray_HField_Tests_Succeeded, Ray_HField_Box_Tests,
Ray_HField_Box_Tests_Succeeded, Ray_HField_Triangle_Tests,
Ray_HField_Triangle_Tests_Succeeded, Ray_HField_Block_Tests,
Ray_HField_Block_Tests_Succeeded, Ray_HField_Cell_Tests,
Ray_HField_Cell_Tests_Succeeded, Ray_IsoSurface_Tests,
Ray_IsoSurface_Tests_Succeeded, Ray_IsoSurface_Bound_Tests,
Ray_IsoSurface_Bound_Tests_Succeeded, Ray_IsoSurface_Cache,
Ray_IsoSurface_Cache_Succeeded, Ray_Lathe_Tests,
Ray_Lathe_Tests_Succeeded, Lathe_Bound_Tests,
Lathe_Bound_Tests_Succeeded, Ray_Mesh_Tests, Ray_Mesh_Tests_Succeeded,
Ray_Plane_Tests, Ray_Plane_Tests_Succeeded, Ray_Polygon_Tests,
Ray_Polygon_Tests_Succeeded, Ray_Prism_Tests, Ray_Prism_Tests_Succeeded,
Prism_Bound_Tests, Prism_Bound_Tests_Succeeded, Ray_Parametric_Tests,
Ray_Parametric_Tests_Succeeded, Ray_Par_Bound_Tests,
Ray_Par_Bound_Tests_Succeeded, Ray_Quadric_Tests,
Ray_Quadric_Tests_Succeeded, Ray_Poly_Tests, Ray_Poly_Tests_Succeeded,
Ray_Sphere_Tests, Ray_Sphere_Tests_Succeeded, Ray_Sphere_Sweep_Tests,
Ray_Sphere_Sweep_Tests_Succeeded, Ray_Superellipsoid_Tests,
Ray_Superellipsoid_Tests_Succeeded, Ray_Sor_Tests,
Ray_Sor_Tests_Succeeded, Sor_Bound_Tests, Sor_Bound_Tests_Succeeded,
Ray_Torus_Tests, Ray_Torus_Tests_Succeeded, Torus_Bound_Tests,
Torus_Bound_Tests_Succeeded, Ray_Triangle_Tests,
Ray_Triangle_Tests_Succeeded, Ray_TTF_Tests, Ray_TTF_Tests_Succeeded,
Bounding_Region_Tests, Bounding_Region_Tests_Succeeded,
Clipping_Region_Tests, Clipping_Region_Tests_Succeeded,
Ray_IsoSurface_Find_Root, Ray_Function_VM_Calls,
Ray_Function_VM_Instruction_Est, VBuffer_Tests, VBuffer_Tests_Succeeded,
LBuffer_Tests, LBuffer_Tests_Succeeded, Media_Samples, Media_Intervals,
Reflected_Rays_Traced, Refracted_Rays_Traced, Transmitted_Rays_Traced,
Internal_Reflected_Rays_Traced, Shadow_Cache_Hits,
Shadow_Rays_Succeeded, Shadow_Ray_Tests, nChecked, nEnqueued,
totalQueues, totalQueueResets, totalQueueResizes, Polynomials_Tested,
Roots_Eliminated, MemStat_Smallest_Alloc, MemStat_Largest_Alloc,
MemStat_Largest_Mem_Usage, Number_Of_Photons_Shot,
Number_Of_Photons_Stored, Number_Of_Global_Photons_Stored,
Number_Of_Media_Photons_Stored, Priority_Queue_Add,
Priority_Queue_Remove, Gather_Performed_Count, Gather_Expanded_Count,
MaxStat
}
Stats;
static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
ISTACK * Depth_Stack);
static int Inside_Bicubic_Patch (VECTOR IPoint, OBJECT * Object);
static void Bicubic_Patch_Normal (VECTOR Result, OBJECT * Object,
INTERSECTION * Inter);
static void Bicubic_Patch_UVCoord (UV_VECT Result, OBJECT * Object,
INTERSECTION * Inter);
static BICUBIC_PATCH *Copy_Bicubic_Patch (OBJECT * Object);
static void Translate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
TRANSFORM * Trans);
static void Rotate_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
TRANSFORM * Trans);
static void Scale_Bicubic_Patch (OBJECT * Object, VECTOR Vector,
TRANSFORM * Trans);
static void Transform_Bicubic_Patch (OBJECT * Object, TRANSFORM * Trans);
static void Invert_Bicubic_Patch (OBJECT * Object);
static void Destroy_Bicubic_Patch (OBJECT * Object);
static METHODS Bicubic_Patch_Methods = {
All_Bicubic_Patch_Intersections, Inside_Bicubic_Patch,
Bicubic_Patch_Normal, Bicubic_Patch_UVCoord,
(COPY_METHOD) Copy_Bicubic_Patch, Translate_Bicubic_Patch,
Rotate_Bicubic_Patch, Scale_Bicubic_Patch, Transform_Bicubic_Patch,
Invert_Bicubic_Patch, Destroy_Bicubic_Patch
};
static void bezier_value (VECTOR (*Control_Points)[4][4], double u0,
double v0, VECTOR P, VECTOR N)
{
int i, j;
double c, t, ut, vt;
double u[4], uu[4], v[4], vv[4];
double du[4], duu[4], dv[4], dvv[4];
for (i = 1; i < 4; i++)
{
vv[i] = vv[i - 1] * (1.0 - v0);
dvv[i] = -i * vv[i - 1];
}
for (i = 0; i < 4; i++)
{
for (j = 0; j < 4; j++)
{
t = c * ut * (dv[j] * vv[3 - j] + v[j] * dvv[3 - j]);
}
t = 1.0 / sqrt (t);
}
}
static int intersect_subpatch (BICUBIC_PATCH * Shape, RAY * ray,
VECTOR V1[3], double uu[3], double vv[3],
double *Depth, VECTOR P, VECTOR N, double *u,
double *v)
{
VECTOR Q, T1;
VECTOR B[3], IB[3], NN[3];
bezier_value ((VECTOR (*)[4][4]) & Shape->Control_Points, uu[1], vv[1],
T1, NN[1]);
}
static int bezier_tree_walker (RAY * Ray, BICUBIC_PATCH * Shape,
BEZIER_NODE * Node, ISTACK * Depth_Stack)
{
int i, cnt = 0;
double Depth, u, v;
double uu[3], vv[3];
VECTOR N, P;
VECTOR V1[3];
if (Node->Node_Type == 0)
{
for (i = 0; i < Node->Count; i++)
{
}
if (intersect_subpatch (Shape, Ray, V1, uu, vv, &Depth, P, N, &u, &v))
{
}
}
}
static int All_Bicubic_Patch_Intersections (OBJECT * Object, RAY * Ray,
ISTACK * Depth_Stack)
{
int Found, cnt = 0;
switch (((BICUBIC_PATCH *) Object)->Patch_Type)
{
case 1:
cnt =
bezier_tree_walker (Ray, (BICUBIC_PATCH *) Object,
((BICUBIC_PATCH *) Object)->Node_Tree,
Depth_Stack);
}
}
BICUBIC_PATCH *Create_Bicubic_Patch ()
{
BICUBIC_PATCH *New;
New =
(BICUBIC_PATCH *) pov_malloc ((sizeof (BICUBIC_PATCH)), "bezier.cpp",
2079, ("bicubic patch"));
New->Methods = &Bicubic_Patch_Methods;
}
}
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