747 lines
16 KiB
C
747 lines
16 KiB
C
/*
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** Copyright 1992, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of Silicon Graphics, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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**
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*/
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#include <stdlib.h>
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#include <setjmp.h>
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struct JumpBuffer {
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jmp_buf buf;
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};
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#define mysetjmp(x) setjmp((x)->buf)
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#define mylongjmp(x,y) longjmp((x)->buf, y)
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/* <<AT&T USL C++ Language System <3.0.1> 02/03/92>> */
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/* < ../core/arcsorter.c++ > */
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void *__vec_new (void *, int , int , void *);
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void __vec_ct (void *, int , int , void *);
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void __vec_dt (void *, int , int , void *);
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void __vec_delete (void *, int , int , void *, int , int );
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typedef int (*__vptp)(void);
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struct __mptr {short d; short i; __vptp f; };
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typedef unsigned int size_t ;
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// extern void *malloc (size_t );
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// extern void free (void *);
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struct Buffer;
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struct Buffer {
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struct Buffer *next__6Buffer ;
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};
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struct Pool;
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enum __Q2_4Pool5Magic { is_allocated__Q2_4Pool5Magic = 62369, is_free__Q2_4Pool5Magic = 61858} ;
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struct Pool {
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struct Buffer *freelist__4Pool ;
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char *blocklist__4Pool [32];
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int nextblock__4Pool ;
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char *curblock__4Pool ;
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int buffersize__4Pool ;
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int nextsize__4Pool ;
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int nextfree__4Pool ;
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int initsize__4Pool ;
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char *name__4Pool ;
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int magic__4Pool ;
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};
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void __glgrow__4PoolFv (struct Pool *);
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struct PooledObj;
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struct PooledObj {
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char __W3__9PooledObj ;
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};
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typedef float REAL ;
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typedef void (*Pfvv )(void );
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typedef void (*Pfvf )(float *);
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typedef int (*cmpfunc )(void *, void *);
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typedef REAL Knot ;
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typedef REAL *Knot_ptr ;
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struct TrimVertex;
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struct PwlArc;
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struct PwlArc {
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char __W3__9PooledObj ;
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struct TrimVertex *pts__6PwlArc ;
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int npts__6PwlArc ;
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long type__6PwlArc ;
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};
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struct TrimVertex;
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struct TrimVertex {
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REAL param__10TrimVertex [2];
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long nuid__10TrimVertex ;
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};
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typedef struct TrimVertex *TrimVertex_p ;
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struct Bin;
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struct Arc;
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struct BezierArc;
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typedef struct Arc *Arc_ptr ;
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enum arc_side { arc_none = 0, arc_right = 1, arc_top = 2, arc_left = 3, arc_bottom = 4} ;
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struct Arc;
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struct Arc {
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char __W3__9PooledObj ;
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Arc_ptr prev__3Arc ;
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Arc_ptr next__3Arc ;
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Arc_ptr link__3Arc ;
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struct BezierArc *bezierArc__3Arc ;
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struct PwlArc *pwlArc__3Arc ;
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long type__3Arc ;
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long nuid__3Arc ;
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};
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extern int __glbezier_tag__3Arc ;
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extern int __glarc_tag__3Arc ;
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extern int __gltail_tag__3Arc ;
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struct Sorter;
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struct Sorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct Subdivider;
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struct ArcSorter;
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struct ArcSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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struct Subdivider *subdivider__9ArcSorter ;
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};
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struct ArcSdirSorter;
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struct ArcSdirSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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struct Subdivider *subdivider__9ArcSorter ;
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};
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struct ArcTdirSorter;
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struct ArcTdirSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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struct Subdivider *subdivider__9ArcSorter ;
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};
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struct JumpBuffer;
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struct Bin;
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struct Bin {
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struct Arc *head__3Bin ;
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struct Arc *current__3Bin ;
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};
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struct FlistSorter;
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struct FlistSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct Flist;
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struct Flist {
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REAL *pts__5Flist ;
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int npts__5Flist ;
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int start__5Flist ;
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int end__5Flist ;
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struct FlistSorter sorter__5Flist ;
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};
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struct Backend;
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struct Jarcloc;
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struct Jarcloc {
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struct Arc *arc__7Jarcloc ;
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struct TrimVertex *p__7Jarcloc ;
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struct TrimVertex *plast__7Jarcloc ;
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};
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struct Trimline;
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struct Trimline {
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struct TrimVertex **pts__8Trimline ;
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long numverts__8Trimline ;
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long i__8Trimline ;
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long size__8Trimline ;
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struct Jarcloc jarcl__8Trimline ;
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struct TrimVertex t__8Trimline ;
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struct TrimVertex b__8Trimline ;
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struct TrimVertex *tinterp__8Trimline ;
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struct TrimVertex *binterp__8Trimline ;
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};
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struct Gridline;
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struct Gridline {
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long v__8Gridline ;
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REAL vval__8Gridline ;
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long vindex__8Gridline ;
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long ustart__8Gridline ;
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long uend__8Gridline ;
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};
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struct Uarray;
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struct Uarray {
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long size__6Uarray ;
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long ulines__6Uarray ;
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REAL *uarray__6Uarray ;
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};
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struct Backend;
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struct TrimRegion;
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void __gl__dt__8TrimlineFv (struct Trimline *, int );
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void __gl__dt__6UarrayFv (struct Uarray *, int );
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struct TrimRegion {
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struct Trimline left__10TrimRegion ;
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struct Trimline right__10TrimRegion ;
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struct Gridline top__10TrimRegion ;
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struct Gridline bot__10TrimRegion ;
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struct Uarray uarray__10TrimRegion ;
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REAL oneOverDu__10TrimRegion ;
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};
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struct GridTrimVertex;
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struct __Q2_4Hull4Side;
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struct __Q2_4Hull4Side {
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struct Trimline *left__Q2_4Hull4Side ;
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struct Gridline *line__Q2_4Hull4Side ;
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struct Trimline *right__Q2_4Hull4Side ;
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long index__Q2_4Hull4Side ;
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};
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struct Hull;
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struct Hull {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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struct Backend;
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struct GridTrimVertex;
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struct Mesher;
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struct Mesher {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct Backend *backend__6Mesher ;
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struct Pool p__6Mesher ;
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unsigned int stacksize__6Mesher ;
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struct GridTrimVertex **vdata__6Mesher ;
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struct GridTrimVertex *last__6Mesher [2];
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int itop__6Mesher ;
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int lastedge__6Mesher ;
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struct TrimRegion OTrimRegion;
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};
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extern float __glZERO__6Mesher ;
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struct Backend;
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struct GridVertex;
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struct GridTrimVertex;
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struct CoveAndTiler;
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struct CoveAndTiler {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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extern int __glMAXSTRIPSIZE__12CoveAndTil0 ;
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struct Backend;
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struct Slicer;
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struct Slicer {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct Mesher OMesher;
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struct Backend *backend__6Slicer ;
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REAL oneOverDu__6Slicer ;
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REAL du__6Slicer ;
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REAL dv__6Slicer ;
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int isolines__6Slicer ;
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};
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struct BezierArc;
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struct TrimVertexPool;
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struct ArcTessellator;
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struct ArcTessellator {
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struct Pool *pwlarcpool__14ArcTessellator ;
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struct TrimVertexPool *trimvertexpool__14ArcTessellator ;
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};
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extern REAL __glgl_Bernstein__14ArcTessell0 [][24][24];
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struct TrimVertexPool;
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struct TrimVertexPool {
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struct Pool pool__14TrimVertexPool ;
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struct TrimVertex **vlist__14TrimVertexPool ;
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int nextvlistslot__14TrimVertexPool ;
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int vlistsize__14TrimVertexPool ;
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};
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struct Renderhints;
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struct Backend;
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struct Quilt;
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struct Patchlist;
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struct Curvelist;
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struct JumpBuffer;
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struct Subdivider;
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enum __Q2_10Subdivider3dir { down__Q2_10Subdivider3dir = 0, same__Q2_10Subdivider3dir = 1, up__Q2_10Subdivider3dir = 2, none__Q2_10Subdivider3dir = 3} ;
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struct Subdivider {
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struct Slicer slicer__10Subdivider ;
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struct ArcTessellator arctessellator__10Subdivider ;
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struct Pool arcpool__10Subdivider ;
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struct Pool bezierarcpool__10Subdivider ;
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struct Pool pwlarcpool__10Subdivider ;
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struct TrimVertexPool trimvertexpool__10Subdivider ;
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struct JumpBuffer *jumpbuffer__10Subdivider ;
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struct Renderhints *renderhints__10Subdivider ;
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struct Backend *backend__10Subdivider ;
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struct Bin initialbin__10Subdivider ;
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struct Arc *pjarc__10Subdivider ;
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int s_index__10Subdivider ;
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int t_index__10Subdivider ;
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struct Quilt *qlist__10Subdivider ;
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struct Flist spbrkpts__10Subdivider ;
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struct Flist tpbrkpts__10Subdivider ;
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struct Flist smbrkpts__10Subdivider ;
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struct Flist tmbrkpts__10Subdivider ;
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REAL stepsizes__10Subdivider [4];
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int showDegenerate__10Subdivider ;
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int isArcTypeBezier__10Subdivider ;
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};
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struct Sorter *__gl__ct__6SorterFi (struct Sorter *, int );
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extern struct __mptr* __gl__ptbl_vec_____core_arcsor0[];
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struct ArcSorter *__gl__ct__9ArcSorterFR10Subdiv0 (struct ArcSorter *__0this , struct Subdivider *__1s )
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{
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void *__1__Xp00uzigaiaa ;
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if (__0this || (__0this = (struct ArcSorter *)( (__1__Xp00uzigaiaa = malloc ( (sizeof (struct ArcSorter))) ), (__1__Xp00uzigaiaa ?(((void *)__1__Xp00uzigaiaa )):(((void *)__1__Xp00uzigaiaa )))) ))(
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( (__0this = (struct ArcSorter *)__gl__ct__6SorterFi ( ((struct Sorter *)__0this ), (int )(sizeof (struct Arc **))) ), (__0this -> __vptr__6Sorter = (struct
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__mptr *) __gl__ptbl_vec_____core_arcsor0[0])) , (__0this -> subdivider__9ArcSorter = __1s )) ;
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return __0this ;
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}
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int __glqscmp__9ArcSorterFPcT1 (struct ArcSorter *__0this , char *__1__A16 , char *__1__A17 )
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{
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( 0 ) ;
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return 0 ;
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}
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void __glqsort__9ArcSorterFPP3Arci (struct ArcSorter *, struct Arc **, int );
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void __glqsort__6SorterFPvi (struct Sorter *, void *, int );
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void __glqsort__9ArcSorterFPP3Arci (struct ArcSorter *__0this , struct Arc **__1a , int __1n )
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{
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__glqsort__6SorterFPvi ( (struct Sorter *)__0this , ((void *)__1a ), __1n ) ;
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}
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void __glqsexc__9ArcSorterFPcT1 (struct ArcSorter *__0this , char *__1i , char *__1j )
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{
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struct Arc **__1jarc1 ;
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struct Arc **__1jarc2 ;
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struct Arc *__1tmp ;
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__1jarc1 = (((struct Arc **)__1i ));
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__1jarc2 = (((struct Arc **)__1j ));
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__1tmp = ((*__1jarc1 ));
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((*__1jarc1 ))= ((*__1jarc2 ));
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((*__1jarc2 ))= __1tmp ;
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}
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void __glqstexc__9ArcSorterFPcN21 (struct ArcSorter *__0this , char *__1i , char *__1j , char *__1k )
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{
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struct Arc **__1jarc1 ;
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struct Arc **__1jarc2 ;
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struct Arc **__1jarc3 ;
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struct Arc *__1tmp ;
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__1jarc1 = (((struct Arc **)__1i ));
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__1jarc2 = (((struct Arc **)__1j ));
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__1jarc3 = (((struct Arc **)__1k ));
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__1tmp = ((*__1jarc1 ));
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((*__1jarc1 ))= ((*__1jarc3 ));
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((*__1jarc3 ))= ((*__1jarc2 ));
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((*__1jarc2 ))= __1tmp ;
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}
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struct ArcSdirSorter *__gl__ct__13ArcSdirSorterFR10S0 (struct ArcSdirSorter *__0this , struct Subdivider *__1s )
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{
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void *__1__Xp00uzigaiaa ;
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if (__0this || (__0this = (struct ArcSdirSorter *)( (__1__Xp00uzigaiaa = malloc ( (sizeof (struct ArcSdirSorter))) ), (__1__Xp00uzigaiaa ?(((void *)__1__Xp00uzigaiaa )):(((void *)__1__Xp00uzigaiaa )))) ))(
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(__0this = (struct ArcSdirSorter *)__gl__ct__9ArcSorterFR10Subdiv0 ( ((struct ArcSorter *)__0this ), __1s ) ), (__0this -> __vptr__6Sorter = (struct __mptr *) __gl__ptbl_vec_____core_arcsor0[1])) ;
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return __0this ;
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}
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int __glccwTurn_sl__10SubdividerFP0 (struct Subdivider *, struct Arc *, struct Arc *);
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int __glccwTurn_sr__10SubdividerFP0 (struct Subdivider *, struct Arc *, struct Arc *);
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int __glqscmp__13ArcSdirSorterFPcT0 (struct ArcSdirSorter *__0this , char *__1i , char *__1j )
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{
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struct Arc *__1jarc1 ;
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struct Arc *__1jarc2 ;
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int __1v1 ;
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int __1v2 ;
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REAL __1diff ;
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__1jarc1 = ((*(((struct Arc **)__1i ))));
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__1jarc2 = ((*(((struct Arc **)__1j ))));
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|
__1v1 = (( (((int )(((struct Arc *)__1jarc1 )-> type__3Arc & __gltail_tag__3Arc )))) ?0 :(__1jarc1 -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
__1v2 = (( (((int )(((struct Arc *)__1jarc2 )-> type__3Arc & __gltail_tag__3Arc )))) ?0 :(__1jarc2 -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
|
|
__1diff = (((__1jarc1 -> pwlArc__3Arc -> pts__6PwlArc [__1v1 ]). param__10TrimVertex [1 ])- ((__1jarc2 -> pwlArc__3Arc -> pts__6PwlArc [__1v2 ]). param__10TrimVertex [1 ]));
|
|
|
|
if (__1diff < 0.0 )
|
|
return -1;
|
|
else if (__1diff > 0.0 )
|
|
return 1 ;
|
|
else {
|
|
if (__1v1 == 0 ){
|
|
if ((( (((REAL *)(((struct Arc *)__1jarc2 )-> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [0 ])< ((
|
|
(((REAL *)(((struct Arc *)__1jarc1 )-> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [0 ])){
|
|
return (__glccwTurn_sl__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc2 , __1jarc1 ) ?1 :-1);
|
|
|
|
}
|
|
else
|
|
{
|
|
return (__glccwTurn_sr__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc2 , __1jarc1 ) ?-1:1 );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((( (((REAL *)(((struct Arc *)__1jarc2 )-> next__3Arc -> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [0 ])< (( (((REAL *)(((struct Arc *)__1jarc1 )->
|
|
next__3Arc -> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [0 ])){
|
|
return (__glccwTurn_sl__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc1 , __1jarc2 ) ?-1:1 );
|
|
}
|
|
else
|
|
{
|
|
return (__glccwTurn_sr__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc1 , __1jarc2 ) ?1 :-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
struct ArcTdirSorter *__gl__ct__13ArcTdirSorterFR10S0 (struct ArcTdirSorter *__0this , struct Subdivider *__1s )
|
|
{
|
|
void *__1__Xp00uzigaiaa ;
|
|
|
|
if (__0this || (__0this = (struct ArcTdirSorter *)( (__1__Xp00uzigaiaa = malloc ( (sizeof (struct ArcTdirSorter))) ), (__1__Xp00uzigaiaa ?(((void *)__1__Xp00uzigaiaa )):(((void *)__1__Xp00uzigaiaa )))) ))(
|
|
(__0this = (struct ArcTdirSorter *)__gl__ct__9ArcSorterFR10Subdiv0 ( ((struct ArcSorter *)__0this ), __1s ) ), (__0this -> __vptr__6Sorter = (struct __mptr *) __gl__ptbl_vec_____core_arcsor0[2])) ;
|
|
return __0this ;
|
|
|
|
}
|
|
|
|
|
|
|
|
int __glccwTurn_tl__10SubdividerFP0 (struct Subdivider *, struct Arc *, struct Arc *);
|
|
int __glccwTurn_tr__10SubdividerFP0 (struct Subdivider *, struct Arc *, struct Arc *);
|
|
|
|
|
|
int __glqscmp__13ArcTdirSorterFPcT0 (struct ArcTdirSorter *__0this , char *__1i , char *__1j )
|
|
{
|
|
struct Arc *__1jarc1 ;
|
|
struct Arc *__1jarc2 ;
|
|
|
|
int __1v1 ;
|
|
int __1v2 ;
|
|
|
|
REAL __1diff ;
|
|
|
|
__1jarc1 = ((*(((struct Arc **)__1i ))));
|
|
__1jarc2 = ((*(((struct Arc **)__1j ))));
|
|
|
|
__1v1 = (( (((int )(((struct Arc *)__1jarc1 )-> type__3Arc & __gltail_tag__3Arc )))) ?0 :(__1jarc1 -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
__1v2 = (( (((int )(((struct Arc *)__1jarc2 )-> type__3Arc & __gltail_tag__3Arc )))) ?0 :(__1jarc2 -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
|
|
__1diff = (((__1jarc1 -> pwlArc__3Arc -> pts__6PwlArc [__1v1 ]). param__10TrimVertex [0 ])- ((__1jarc2 -> pwlArc__3Arc -> pts__6PwlArc [__1v2 ]). param__10TrimVertex [0 ]));
|
|
|
|
if (__1diff < 0.0 )
|
|
return 1 ;
|
|
else if (__1diff > 0.0 )
|
|
return -1;
|
|
else {
|
|
if (__1v1 == 0 ){
|
|
if ((( (((REAL *)(((struct Arc *)__1jarc2 )-> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [1 ])< ((
|
|
(((REAL *)(((struct Arc *)__1jarc1 )-> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [1 ])){
|
|
return (__glccwTurn_tl__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc2 , __1jarc1 ) ?1 :-1);
|
|
|
|
}
|
|
else
|
|
{
|
|
return (__glccwTurn_tr__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc2 , __1jarc1 ) ?-1:1 );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((( (((REAL *)(((struct Arc *)__1jarc2 )-> next__3Arc -> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [1 ])< (( (((REAL *)(((struct Arc *)__1jarc1 )->
|
|
next__3Arc -> pwlArc__3Arc -> pts__6PwlArc [0 ]). param__10TrimVertex ))) [1 ])){
|
|
return (__glccwTurn_tl__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc1 , __1jarc2 ) ?-1:1 );
|
|
}
|
|
else
|
|
{
|
|
return (__glccwTurn_tr__10SubdividerFP0 ( (struct Subdivider *)__0this -> subdivider__9ArcSorter , __1jarc1 , __1jarc2 ) ?1 :-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
struct __mptr __gl__vtbl__13ArcTdirSorter[] = {0,0,0,
|
|
0,0,(__vptp)__glqscmp__13ArcTdirSorterFPcT0 ,
|
|
0,0,(__vptp)__glqsexc__9ArcSorterFPcT1 ,
|
|
0,0,(__vptp)__glqstexc__9ArcSorterFPcN21 ,
|
|
0,0,0};
|
|
struct __mptr __gl__vtbl__13ArcSdirSorter[] = {0,0,0,
|
|
0,0,(__vptp)__glqscmp__13ArcSdirSorterFPcT0 ,
|
|
0,0,(__vptp)__glqsexc__9ArcSorterFPcT1 ,
|
|
0,0,(__vptp)__glqstexc__9ArcSorterFPcN21 ,
|
|
0,0,0};
|
|
struct __mptr __gl__vtbl__9ArcSorter[] = {0,0,0,
|
|
0,0,(__vptp)__glqscmp__9ArcSorterFPcT1 ,
|
|
0,0,(__vptp)__glqsexc__9ArcSorterFPcT1 ,
|
|
0,0,(__vptp)__glqstexc__9ArcSorterFPcN21 ,
|
|
0,0,0};
|
|
struct __mptr* __gl__ptbl_vec_____core_arcsor0[] = {
|
|
__gl__vtbl__9ArcSorter,
|
|
__gl__vtbl__13ArcSdirSorter,
|
|
__gl__vtbl__13ArcTdirSorter,
|
|
|
|
};
|
|
|
|
|
|
/* the end */
|