/* 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; } }