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Diffstat (limited to 'extern/qhull/include/qhull/qset.h')
| -rw-r--r-- | extern/qhull/include/qhull/qset.h | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/extern/qhull/include/qhull/qset.h b/extern/qhull/include/qhull/qset.h deleted file mode 100644 index 6c0ff758de4..00000000000 --- a/extern/qhull/include/qhull/qset.h +++ /dev/null @@ -1,468 +0,0 @@ -/*<html><pre> -<a href="qh-set.htm" - >-------------------------------</a><a name="TOP">-</a> - - qset.h - header file for qset.c that implements set - - see qh-set.htm and qset.c - - only uses mem.c, malloc/free - - for error handling, writes message and calls - qh_errexit (qhmem_ERRqhull, NULL, NULL); - - set operations satisfy the following properties: - - sets have a max size, the actual size (if different) is stored at the end - - every set is NULL terminated - - sets may be sorted or unsorted, the caller must distinguish this - - copyright (c) 1993-2002, The Geometry Center -*/ - -#ifndef qhDEFset -#define qhDEFset 1 - -/*================= -structures- ===============*/ - -#ifndef DEFsetT -#define DEFsetT 1 -typedef struct setT setT; /* a set is a sorted or unsorted array of pointers */ -#endif - -/*-<a href="qh-set.htm#TOC" ->----------------------------------------</a><a name="setT">-</a> - -setT - a set or list of pointers with maximum size and actual size. - -variations: - unsorted, unique -- a list of unique pointers with NULL terminator - user guarantees uniqueness - sorted -- a sorted list of unique pointers with NULL terminator - qset.c guarantees uniqueness - unsorted -- a list of pointers terminated with NULL - indexed -- an array of pointers with NULL elements - -structure for set of n elements: - - -------------- - | maxsize - -------------- - | e[0] - a pointer, may be NULL for indexed sets - -------------- - | e[1] - - -------------- - | ... - -------------- - | e[n-1] - -------------- - | e[n] = NULL - -------------- - | ... - -------------- - | e[maxsize] - n+1 or NULL (determines actual size of set) - -------------- - -*/ - -/*-- setelemT -- internal type to allow both pointers and indices -*/ -typedef union setelemT setelemT; -union setelemT { - void *p; - int i; /* integer used for e[maxSize] */ -}; - -struct setT { - int maxsize; /* maximum number of elements (except NULL) */ - setelemT e[1]; /* array of pointers, tail is NULL */ - /* last slot (unless NULL) is actual size+1 - e[maxsize]==NULL or e[e[maxsize]-1]==NULL */ - /* this may generate a warning since e[] contains - maxsize elements */ -}; - -/*=========== -constants- =========================*/ - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------</a><a name="SETelemsize">-</a> - - SETelemsize - size of a set element in bytes -*/ -#define SETelemsize sizeof(setelemT) - - -/*=========== -macros- =========================*/ - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------</a><a name="FOREACHsetelement_">-</a> - - FOREACHsetelement_(type, set, variable) - define FOREACH iterator - - declare: - assumes *variable and **variablep are declared - no space in "variable)" [DEC Alpha cc compiler] - - each iteration: - variable is set element - variablep is one beyond variable. - - to repeat an element: - variablep--; / *repeat* / - - at exit: - variable is NULL at end of loop - - example: - #define FOREACHfacet_( facets ) FOREACHsetelement_( facetT, facets, facet ) - - notes: - use FOREACHsetelement_i_() if need index or include NULLs - - WARNING: - nested loops can't use the same variable (define another FOREACH) - - needs braces if nested inside another FOREACH - this includes intervening blocks, e.g. FOREACH...{ if () FOREACH...} ) -*/ -#define FOREACHsetelement_(type, set, variable) \ - if (((variable= NULL), set)) for(\ - variable##p= (type **)&((set)->e[0].p); \ - (variable= *variable##p++);) - -/*-<a href="qh-set.htm#TOC" - >----------------------------------------</a><a name="FOREACHsetelement_i_">-</a> - - FOREACHsetelement_i_(type, set, variable) - define indexed FOREACH iterator - - declare: - type *variable, variable_n, variable_i; - - each iteration: - variable is set element, may be NULL - variable_i is index, variable_n is qh_setsize() - - to repeat an element: - variable_i--; variable_n-- repeats for deleted element - - at exit: - variable==NULL and variable_i==variable_n - - example: - #define FOREACHfacet_i_( facets ) FOREACHsetelement_i_( facetT, facets, facet ) - - WARNING: - nested loops can't use the same variable (define another FOREACH) - - needs braces if nested inside another FOREACH - this includes intervening blocks, e.g. FOREACH...{ if () FOREACH...} ) -*/ -#define FOREACHsetelement_i_(type, set, variable) \ - if (((variable= NULL), set)) for (\ - variable##_i= 0, variable= (type *)((set)->e[0].p), \ - variable##_n= qh_setsize(set);\ - variable##_i < variable##_n;\ - variable= (type *)((set)->e[++variable##_i].p) ) - -/*-<a href="qh-set.htm#TOC" - >--------------------------------------</a><a name="FOREACHsetelementreverse_">-</a> - - FOREACHsetelementreverse_(type, set, variable)- - define FOREACH iterator in reverse order - - declare: - assumes *variable and **variablep are declared - also declare 'int variabletemp' - - each iteration: - variable is set element - - to repeat an element: - variabletemp++; / *repeat* / - - at exit: - variable is NULL - - example: - #define FOREACHvertexreverse_( vertices ) FOREACHsetelementreverse_( vertexT, vertices, vertex ) - - notes: - use FOREACHsetelementreverse12_() to reverse first two elements - WARNING: needs braces if nested inside another FOREACH -*/ -#define FOREACHsetelementreverse_(type, set, variable) \ - if (((variable= NULL), set)) for(\ - variable##temp= qh_setsize(set)-1, variable= qh_setlast(set);\ - variable; variable= \ - ((--variable##temp >= 0) ? SETelemt_(set, variable##temp, type) : NULL)) - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------</a><a name="FOREACHsetelementreverse12_">-</a> - - FOREACHsetelementreverse12_(type, set, variable)- - define FOREACH iterator with e[1] and e[0] reversed - - declare: - assumes *variable and **variablep are declared - - each iteration: - variable is set element - variablep is one after variable. - - to repeat an element: - variablep--; / *repeat* / - - at exit: - variable is NULL at end of loop - - example - #define FOREACHvertexreverse12_( vertices ) FOREACHsetelementreverse12_( vertexT, vertices, vertex ) - - notes: - WARNING: needs braces if nested inside another FOREACH -*/ -#define FOREACHsetelementreverse12_(type, set, variable) \ - if (((variable= NULL), set)) for(\ - variable##p= (type **)&((set)->e[1].p); \ - (variable= *variable##p); \ - variable##p == ((type **)&((set)->e[0].p))?variable##p += 2: \ - (variable##p == ((type **)&((set)->e[1].p))?variable##p--:variable##p++)) - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------</a><a name="FOREACHelem_">-</a> - - FOREACHelem_( set )- - iterate elements in a set - - declare: - void *elem, *elemp; - - each iteration: - elem is set element - elemp is one beyond - - to repeat an element: - elemp--; / *repeat* / - - at exit: - elem == NULL at end of loop - - example: - FOREACHelem_(set) { - - notes: - WARNING: needs braces if nested inside another FOREACH -*/ -#define FOREACHelem_(set) FOREACHsetelement_(void, set, elem) - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------</a><a name="FOREACHset_">-</a> - - FOREACHset_( set )- - iterate a set of sets - - declare: - setT *set, **setp; - - each iteration: - set is set element - setp is one beyond - - to repeat an element: - setp--; / *repeat* / - - at exit: - set == NULL at end of loop - - example - FOREACHset_(sets) { - - notes: - WARNING: needs braces if nested inside another FOREACH -*/ -#define FOREACHset_(sets) FOREACHsetelement_(setT, sets, set) - -/*-<a href="qh-set.htm#TOC" - >-----------------------------------------</a><a name="SETindex_">-</a> - - SETindex_( set, elem ) - return index of elem in set - - notes: - for use with FOREACH iteration - - example: - i= SETindex_(ridges, ridge) -*/ -#define SETindex_(set, elem) ((void **)elem##p - (void **)&(set)->e[1].p) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETref_">-</a> - - SETref_( elem ) - l.h.s. for modifying the current element in a FOREACH iteration - - example: - SETref_(ridge)= anotherridge; -*/ -#define SETref_(elem) (elem##p[-1]) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETelem_">-</a> - - SETelem_(set, n) - return the n'th element of set - - notes: - assumes that n is valid [0..size] and that set is defined - use SETelemt_() for type cast -*/ -#define SETelem_(set, n) ((set)->e[n].p) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETelemt_">-</a> - - SETelemt_(set, n, type) - return the n'th element of set as a type - - notes: - assumes that n is valid [0..size] and that set is defined -*/ -#define SETelemt_(set, n, type) ((type*)((set)->e[n].p)) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETelemaddr_">-</a> - - SETelemaddr_(set, n, type) - return address of the n'th element of a set - - notes: - assumes that n is valid [0..size] and set is defined -*/ -#define SETelemaddr_(set, n, type) ((type **)(&((set)->e[n].p))) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETfirst_">-</a> - - SETfirst_(set) - return first element of set - -*/ -#define SETfirst_(set) ((set)->e[0].p) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETfirstt_">-</a> - - SETfirstt_(set, type) - return first element of set as a type - -*/ -#define SETfirstt_(set, type) ((type*)((set)->e[0].p)) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETsecond_">-</a> - - SETsecond_(set) - return second element of set - -*/ -#define SETsecond_(set) ((set)->e[1].p) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETsecondt_">-</a> - - SETsecondt_(set, type) - return second element of set as a type -*/ -#define SETsecondt_(set, type) ((type*)((set)->e[1].p)) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETaddr_">-</a> - - SETaddr_(set, type) - return address of set's elements -*/ -#define SETaddr_(set,type) ((type **)(&((set)->e[0].p))) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETreturnsize_">-</a> - - SETreturnsize_(set, size) - return size of a set - - notes: - set must be defined - use qh_setsize(set) unless speed is critical -*/ -#define SETreturnsize_(set, size) (((size)= ((set)->e[(set)->maxsize].i))?(--(size)):((size)= (set)->maxsize)) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETempty_">-</a> - - SETempty_(set) - return true (1) if set is empty - - notes: - set may be NULL -*/ -#define SETempty_(set) (!set || (SETfirst_(set) ? 0:1)) - -/*-<a href="qh-set.htm#TOC" - >---------------------------------------</a><a name="SETtruncate_">-</a> - - SETtruncate_(set) - return first element of set - - see: - qh_settruncate() - -*/ -#define SETtruncate_(set, size) {set->e[set->maxsize].i= size+1; /* maybe overwritten */ \ - set->e[size].p= NULL;} - -/*======= prototypes in alphabetical order ============*/ - -void qh_setaddsorted(setT **setp, void *elem); -void qh_setaddnth(setT **setp, int nth, void *newelem); -void qh_setappend(setT **setp, void *elem); -void qh_setappend_set(setT **setp, setT *setA); -void qh_setappend2ndlast(setT **setp, void *elem); -void qh_setcheck(setT *set, char *tname, int id); -void qh_setcompact(setT *set); -setT *qh_setcopy(setT *set, int extra); -void *qh_setdel(setT *set, void *elem); -void *qh_setdellast(setT *set); -void *qh_setdelnth(setT *set, int nth); -void *qh_setdelnthsorted(setT *set, int nth); -void *qh_setdelsorted(setT *set, void *newelem); -setT *qh_setduplicate( setT *set, int elemsize); -int qh_setequal(setT *setA, setT *setB); -int qh_setequal_except (setT *setA, void *skipelemA, setT *setB, void *skipelemB); -int qh_setequal_skip (setT *setA, int skipA, setT *setB, int skipB); -void qh_setfree(setT **set); -void qh_setfree2( setT **setp, int elemsize); -void qh_setfreelong(setT **set); -int qh_setin(setT *set, void *setelem); -int qh_setindex(setT *set, void *setelem); -void qh_setlarger(setT **setp); -void *qh_setlast(setT *set); -setT *qh_setnew(int size); -setT *qh_setnew_delnthsorted(setT *set, int size, int nth, int prepend); -void qh_setprint(FILE *fp, char* string, setT *set); -void qh_setreplace(setT *set, void *oldelem, void *newelem); -int qh_setsize(setT *set); -setT *qh_settemp(int setsize); -void qh_settempfree(setT **set); -void qh_settempfree_all(void); -setT *qh_settemppop(void); -void qh_settemppush(setT *set); -void qh_settruncate (setT *set, int size); -int qh_setunique (setT **set, void *elem); -void qh_setzero (setT *set, int index, int size); - - -#endif /* qhDEFset */ |