1// { dg-do compile } 2 3typedef enum { CLASS_IN = 1, CLASS_OUT = -1 } FERGUSON_KEY_CLASS, BEZIER_KEY_CLASS; 4typedef class flag_interface { } VECT3DF_SIMPLE; 5typedef struct vect3df { 6 float x,y,z; 7} VECT3DF, VECT; 8typedef struct vect4df : public vect3df { 9 float w; 10} VECT4DF, WVECT; 11typedef class llist_item { } ANIM_KEY; 12typedef class anim_track : public flag_interface, public llist_item { } ANIM_KEY_BEZ; 13typedef class anim_track_bezier : public anim_track { } ANIM_KEY_BEZ_WVECT; 14typedef class anim_track_bez_wvect : public anim_track_bezier { 15 WVECT * tangent(int kn, BEZIER_KEY_CLASS key_class, WVECT *p_tn); 16} ANIM_TRACK_BEZ_WVECT; 17WVECT * anim_track_bez_wvect::tangent(int kn, BEZIER_KEY_CLASS key_class, WVECT *p_tn) 18{ 19 float bias,continuity,tension,tn1,bp1; 20 WVECT *p_p0,*p_p1,*p_p2, t1, g1,g2,g3; 21 g1.x = (p_p1->x - p_p0->x)*bp1; 22 g1.y = (p_p1->y - p_p0->y)*bp1; 23 g1.z = (p_p1->z - p_p0->z)*bp1; 24 g1.w = (p_p1->w - p_p0->w)*bp1; 25 bp1 = (0.5f + key_class*0.5f*continuity); 26 p_tn->x = (g1.x + g3.x*bp1)*tn1; 27 p_tn->y = (g1.y + g3.y*bp1)*tn1; 28 p_tn->z = (g1.z + g3.z*bp1)*tn1; 29 p_tn->w = (g1.w + g3.w*bp1)*tn1; 30} 31