From b801e58f0dc2ec8257026283ea4f1a657c93f700 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Thu, 23 Aug 2012 13:25:42 +0000
Subject: protect headers against double inclusion

and include headers needed

svn path=/trunk/externals/iem/iemmatrix/; revision=16169
---
 src/mtx_qhull/list.h    |  2 ++
 src/mtx_qhull/vectors.h |  8 ++++++++
 src/mtx_qhull/zhull.h   | 10 ++++++++++
 3 files changed, 20 insertions(+)

(limited to 'src/mtx_qhull')

diff --git a/src/mtx_qhull/list.h b/src/mtx_qhull/list.h
index ca76cb7..dfccede 100644
--- a/src/mtx_qhull/list.h
+++ b/src/mtx_qhull/list.h
@@ -1,6 +1,8 @@
 #ifndef QHULL_LIST_H
 #define QHULL_LIST_H
 
+#include <sys/types.h>
+
 typedef long int entry_t;
 typedef long int index_t;
 
diff --git a/src/mtx_qhull/vectors.h b/src/mtx_qhull/vectors.h
index 201205a..fadb370 100644
--- a/src/mtx_qhull/vectors.h
+++ b/src/mtx_qhull/vectors.h
@@ -1,3 +1,9 @@
+#ifndef QHULL_VECTORS_H
+#define QHULL_VECTORS_H
+
+#include <sys/types.h>
+#include "list.h"
+
 typedef struct vec_ {
     float c[3];
 } vector_t;
@@ -38,3 +44,5 @@ plane_t planeFromListedPoints(points_t points, list_t list);
 
 void printPlane(plane_t p);
 void printVector(vector_t v);
+
+#endif /* QHULL_VECTORS_H */
diff --git a/src/mtx_qhull/zhull.h b/src/mtx_qhull/zhull.h
index dd520e1..2a20768 100644
--- a/src/mtx_qhull/zhull.h
+++ b/src/mtx_qhull/zhull.h
@@ -1,3 +1,9 @@
+#ifndef QHULL_ZHULL_H
+#define QHULL_ZHULL_H
+
+#include <sys/types.h>
+#include "list.h"
+#include "vectors.h"
 
 typedef struct facet_ {
     plane_t plane;
@@ -23,3 +29,7 @@ zhull_t zhullInitPoints(const float *x, const float *y,
         const float *z, const size_t num_points);
 void printFacet(const zhull_t * const zh, 
       const facet_t * const f);
+
+facet_t *getFacetByIndex(const list_t facets, const index_t index);
+
+#endif /* QHULL_ZHULL_H */
-- 
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