PageRenderTime 43ms CodeModel.GetById 19ms RepoModel.GetById 0ms app.codeStats 0ms

/scipy/spatial/qhull/src/io.h

http://github.com/scipy/scipy
C Header | 159 lines | 92 code | 13 blank | 54 comment | 0 complexity | 468967da4f11b026b625f06e8eb914ce MD5 | raw file
Possible License(s): BSD-3-Clause, JSON 
    

  1. /*<html><pre>  -<a                             href="qh-io.htm"
    2. 

  2.   >-------------------------------</a><a name="TOP">-</a>
    3. 

    4. 

  4.    io.h
    5. 

  5.    declarations of Input/Output functions
    6. 

    7. 

  7.    see README, libqhull.h and io.c
    8. 

    9. 

  9.    Copyright (c) 1993-2012 The Geometry Center.
    10. 

  10.    $Id: //main/2011/qhull/src/libqhull/io.h#3 $$Change: 1464 $
    11. 

  11.    $DateTime: 2012/01/25 22:58:41 $$Author: bbarber $
    12. 

  12. */
    13. 

  13. 

  14. #ifndef qhDEFio
    15. 

  15. #define qhDEFio 1
    16. 

  16. 

  17. #include "libqhull.h"
    18. 

  18. 

  19. /*============ constants and flags ==================*/
    20. 

  20. 

  21. /*-<a                             href="qh-io.htm#TOC"
    22. 

  22.   >--------------------------------</a><a name="qh_MAXfirst">-</a>
    23. 

    24. 

  24.   qh_MAXfirst
    25. 

  25.     maximum length of first two lines of stdin
    26. 

  26. */
    27. 

  27. #define qh_MAXfirst  200
    28. 

  28. 

  29. /*-<a                             href="qh-io.htm#TOC"
    30. 

  30.   >--------------------------------</a><a name="qh_MINradius">-</a>
    31. 

    32. 

  32.   qh_MINradius
    33. 

  33.     min radius for Gp and Gv, fraction of maxcoord
    34. 

  34. */
    35. 

  35. #define qh_MINradius 0.02
    36. 

  36. 

  37. /*-<a                             href="qh-io.htm#TOC"
    38. 

  38.   >--------------------------------</a><a name="qh_GEOMepsilon">-</a>
    39. 

    40. 

  40.   qh_GEOMepsilon
    41. 

  41.     adjust outer planes for 'lines closer' and geomview roundoff.
    42. 

  42.     This prevents bleed through.
    43. 

  43. */
    44. 

  44. #define qh_GEOMepsilon 2e-3
    45. 

  45. 

  46. /*-<a                             href="qh-io.htm#TOC"
    47. 

  47.   >--------------------------------</a><a name="qh_WHITESPACE">-</a>
    48. 

    49. 

  49.   qh_WHITESPACE
    50. 

  50.     possible values of white space
    51. 

  51. */
    52. 

  52. #define qh_WHITESPACE " \n\t\v\r\f"
    53. 

  53. 

  54. 

  55. /*-<a                             href="qh-io.htm#TOC"
    56. 

  56.   >--------------------------------</a><a name="RIDGE">-</a>
    57. 

    58. 

  58.   qh_RIDGE
    59. 

  59.     to select which ridges to print in qh_eachvoronoi
    60. 

  60. */
    61. 

  61. typedef enum
    62. 

  62. {
    63. 

  63.     qh_RIDGEall = 0, qh_RIDGEinner, qh_RIDGEouter
    64. 

  64. }
    65. 

  65. qh_RIDGE;
    66. 

  66. 

  67. /*-<a                             href="qh-io.htm#TOC"
    68. 

  68.   >--------------------------------</a><a name="printvridgeT">-</a>
    69. 

    70. 

  70.   printvridgeT
    71. 

  71.     prints results of qh_printvdiagram
    72. 

    73. 

  73.   see:
    74. 

  74.     <a href="io.c#printvridge">qh_printvridge</a> for an example
    75. 

  75. */
    76. 

  76. typedef void (*printvridgeT)(FILE *fp, vertexT *vertex, vertexT *vertexA, setT *centers, boolT unbounded);
    77. 

  77. 

  78. /*============== -prototypes in alphabetical order =========*/
    79. 

  79. 

  80. void    dfacet(unsigned id);
    81. 

  81. void    dvertex(unsigned id);
    82. 

  82. int     qh_compare_facetarea(const void *p1, const void *p2);
    83. 

  83. int     qh_compare_facetmerge(const void *p1, const void *p2);
    84. 

  84. int     qh_compare_facetvisit(const void *p1, const void *p2);
    85. 

  85. int     qh_compare_vertexpoint(const void *p1, const void *p2); /* not used */
    86. 

  86. void    qh_copyfilename(char *filename, int size, const char* source, int length);
    87. 

  87. void    qh_countfacets(facetT *facetlist, setT *facets, boolT printall,
    88. 

  88.               int *numfacetsp, int *numsimplicialp, int *totneighborsp,
    89. 

  89.               int *numridgesp, int *numcoplanarsp, int *numnumtricoplanarsp);
    90. 

  90. pointT *qh_detvnorm(vertexT *vertex, vertexT *vertexA, setT *centers, realT *offsetp);
    91. 

  91. setT   *qh_detvridge(vertexT *vertex);
    92. 

  92. setT   *qh_detvridge3 (vertexT *atvertex, vertexT *vertex);
    93. 

  93. int     qh_eachvoronoi(FILE *fp, printvridgeT printvridge, vertexT *atvertex, boolT visitall, qh_RIDGE innerouter, boolT inorder);
    94. 

  94. int     qh_eachvoronoi_all(FILE *fp, printvridgeT printvridge, boolT isUpper, qh_RIDGE innerouter, boolT inorder);
    95. 

  95. void    qh_facet2point(facetT *facet, pointT **point0, pointT **point1, realT *mindist);
    96. 

  96. setT   *qh_facetvertices(facetT *facetlist, setT *facets, boolT allfacets);
    97. 

  97. void    qh_geomplanes(facetT *facet, realT *outerplane, realT *innerplane);
    98. 

  98. void    qh_markkeep(facetT *facetlist);
    99. 

  99. setT   *qh_markvoronoi(facetT *facetlist, setT *facets, boolT printall, boolT *isLowerp, int *numcentersp);
    100. 

  100. void    qh_order_vertexneighbors(vertexT *vertex);
    101. 

  101. void    qh_prepare_output(void);
    102. 

  102. void    qh_printafacet(FILE *fp, qh_PRINT format, facetT *facet, boolT printall);
    103. 

  103. void    qh_printbegin(FILE *fp, qh_PRINT format, facetT *facetlist, setT *facets, boolT printall);
    104. 

  104. void    qh_printcenter(FILE *fp, qh_PRINT format, const char *string, facetT *facet);
    105. 

  105. void    qh_printcentrum(FILE *fp, facetT *facet, realT radius);
    106. 

  106. void    qh_printend(FILE *fp, qh_PRINT format, facetT *facetlist, setT *facets, boolT printall);
    107. 

  107. void    qh_printend4geom(FILE *fp, facetT *facet, int *num, boolT printall);
    108. 

  108. void    qh_printextremes(FILE *fp, facetT *facetlist, setT *facets, boolT printall);
    109. 

  109. void    qh_printextremes_2d(FILE *fp, facetT *facetlist, setT *facets, boolT printall);
    110. 

  110. void    qh_printextremes_d(FILE *fp, facetT *facetlist, setT *facets, boolT printall);
    111. 

  111. void    qh_printfacet(FILE *fp, facetT *facet);
    112. 

  112. void    qh_printfacet2math(FILE *fp, facetT *facet, qh_PRINT format, int notfirst);
    113. 

  113. void    qh_printfacet2geom(FILE *fp, facetT *facet, realT color[3]);
    114. 

  114. void    qh_printfacet2geom_points(FILE *fp, pointT *point1, pointT *point2,
    115. 

  115.                                facetT *facet, realT offset, realT color[3]);
    116. 

  116. void    qh_printfacet3math(FILE *fp, facetT *facet, qh_PRINT format, int notfirst);
    117. 

  117. void    qh_printfacet3geom_nonsimplicial(FILE *fp, facetT *facet, realT color[3]);
    118. 

  118. void    qh_printfacet3geom_points(FILE *fp, setT *points, facetT *facet, realT offset, realT color[3]);
    119. 

  119. void    qh_printfacet3geom_simplicial(FILE *fp, facetT *facet, realT color[3]);
    120. 

  120. void    qh_printfacet3vertex(FILE *fp, facetT *facet, qh_PRINT format);
    121. 

  121. void    qh_printfacet4geom_nonsimplicial(FILE *fp, facetT *facet, realT color[3]);
    122. 

  122. void    qh_printfacet4geom_simplicial(FILE *fp, facetT *facet, realT color[3]);
    123. 

  123. void    qh_printfacetNvertex_nonsimplicial(FILE *fp, facetT *facet, int id, qh_PRINT format);
    124. 

  124. void    qh_printfacetNvertex_simplicial(FILE *fp, facetT *facet, qh_PRINT format);
    125. 

  125. void    qh_printfacetheader(FILE *fp, facetT *facet);
    126. 

  126. void    qh_printfacetridges(FILE *fp, facetT *facet);
    127. 

  127. void    qh_printfacets(FILE *fp, qh_PRINT format, facetT *facetlist, setT *facets, boolT printall);
    128. 

  128. void    qh_printhyperplaneintersection(FILE *fp, facetT *facet1, facetT *facet2,
    129. 

  129.                    setT *vertices, realT color[3]);
    130. 

  130. void    qh_printneighborhood(FILE *fp, qh_PRINT format, facetT *facetA, facetT *facetB, boolT printall);
    131. 

  131. void    qh_printline3geom(FILE *fp, pointT *pointA, pointT *pointB, realT color[3]);
    132. 

  132. void    qh_printpoint(FILE *fp, const char *string, pointT *point);
    133. 

  133. void    qh_printpointid(FILE *fp, const char *string, int dim, pointT *point, int id);
    134. 

  134. void    qh_printpoint3 (FILE *fp, pointT *point);
    135. 

  135. void    qh_printpoints_out(FILE *fp, facetT *facetlist, setT *facets, boolT printall);
    136. 

  136. void    qh_printpointvect(FILE *fp, pointT *point, coordT *normal, pointT *center, realT radius, realT color[3]);
    137. 

  137. void    qh_printpointvect2 (FILE *fp, pointT *point, coordT *normal, pointT *center, realT radius);
    138. 

  138. void    qh_printridge(FILE *fp, ridgeT *ridge);
    139. 

  139. void    qh_printspheres(FILE *fp, setT *vertices, realT radius);
    140. 

  140. void    qh_printvdiagram(FILE *fp, qh_PRINT format, facetT *facetlist, setT *facets, boolT printall);
    141. 

  141. int     qh_printvdiagram2 (FILE *fp, printvridgeT printvridge, setT *vertices, qh_RIDGE innerouter, boolT inorder);
    142. 

  142. void    qh_printvertex(FILE *fp, vertexT *vertex);
    143. 

  143. void    qh_printvertexlist(FILE *fp, const char* string, facetT *facetlist,
    144. 

  144.                          setT *facets, boolT printall);
    145. 

  145. void    qh_printvertices(FILE *fp, const char* string, setT *vertices);
    146. 

  146. void    qh_printvneighbors(FILE *fp, facetT* facetlist, setT *facets, boolT printall);
    147. 

  147. void    qh_printvoronoi(FILE *fp, qh_PRINT format, facetT *facetlist, setT *facets, boolT printall);
    148. 

  148. void    qh_printvnorm(FILE *fp, vertexT *vertex, vertexT *vertexA, setT *centers, boolT unbounded);
    149. 

  149. void    qh_printvridge(FILE *fp, vertexT *vertex, vertexT *vertexA, setT *centers, boolT unbounded);
    150. 

  150. void    qh_produce_output(void);
    151. 

  151. void    qh_produce_output2(void);
    152. 

  152. void    qh_projectdim3 (pointT *source, pointT *destination);
    153. 

  153. int     qh_readfeasible(int dim, const char *curline);
    154. 

  154. coordT *qh_readpoints(int *numpoints, int *dimension, boolT *ismalloc);
    155. 

  155. void    qh_setfeasible(int dim);
    156. 

  156. boolT   qh_skipfacet(facetT *facet);
    157. 

  157. char   *qh_skipfilename(char *filename);
    158. 

  158. 

  159. #endif /* qhDEFio */
    160. 

  160.