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111
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1 // { dg-do compile }
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2
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3 typedef enum { CLASS_IN = 1, CLASS_OUT = -1 } FERGUSON_KEY_CLASS, BEZIER_KEY_CLASS;
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4 typedef class flag_interface { } VECT3DF_SIMPLE;
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5 typedef struct vect3df {
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6 float x,y,z;
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7 } VECT3DF, VECT;
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8 typedef struct vect4df : public vect3df {
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9 float w;
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10 } VECT4DF, WVECT;
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11 typedef class llist_item { } ANIM_KEY;
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12 typedef class anim_track : public flag_interface, public llist_item { } ANIM_KEY_BEZ;
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13 typedef class anim_track_bezier : public anim_track { } ANIM_KEY_BEZ_WVECT;
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14 typedef class anim_track_bez_wvect : public anim_track_bezier {
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15 WVECT * tangent(int kn, BEZIER_KEY_CLASS key_class, WVECT *p_tn);
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16 } ANIM_TRACK_BEZ_WVECT;
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17 WVECT * anim_track_bez_wvect::tangent(int kn, BEZIER_KEY_CLASS key_class, WVECT *p_tn)
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18 {
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19 float bias,continuity,tension,tn1,bp1;
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20 WVECT *p_p0,*p_p1,*p_p2, t1, g1,g2,g3;
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21 g1.x = (p_p1->x - p_p0->x)*bp1;
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22 g1.y = (p_p1->y - p_p0->y)*bp1;
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23 g1.z = (p_p1->z - p_p0->z)*bp1;
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24 g1.w = (p_p1->w - p_p0->w)*bp1;
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25 bp1 = (0.5f + key_class*0.5f*continuity);
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26 p_tn->x = (g1.x + g3.x*bp1)*tn1;
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27 p_tn->y = (g1.y + g3.y*bp1)*tn1;
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28 p_tn->z = (g1.z + g3.z*bp1)*tn1;
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29 p_tn->w = (g1.w + g3.w*bp1)*tn1;
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131
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30 return 0;
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111
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31 }
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