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- #include <geom.h>
-
- typedef double vec4[4];
-
- /* in xform.c */
- extern proj_matrix *matmatmul4 ();
- extern vec4 *vecmatmul4 ();
- extern vec4 *matvecmul4 ();
-
- /* in projective.c */
- extern vec4 *conf2proj ();
- extern vec4 *proj2conf ();
- extern vec4 *hs2ball ();
- extern proj_matrix *sl2c2proj ();
-
- /* in polyhedron.c */
- extern Geom *WEPolyhedronToPolyList();
- extern Geom *WEPolyhedronToVect();
-
- /* colormap.c */
- extern int readcmap();
- extern ColorA GetCmapEntry();
-