From ee26b8ff850add4f83b912635a71dbde06f268d1 Mon Sep 17 00:00:00 2001
From: Nathanael Sensfelder <SpamShield0@MultiAgentSystems.org>
Date: Fri, 3 Feb 2017 22:20:35 +0100
Subject: Continuing Implementation...

---
 src/core/index.c       | 16 ++++++++++++++++
 src/core/index.h       |  2 ++
 src/core/index_types.h | 10 +++++++---
 3 files changed, 25 insertions(+), 3 deletions(-)

(limited to 'src/core')

diff --git a/src/core/index.c b/src/core/index.c
index dc52d03..5c93ed3 100644
--- a/src/core/index.c
+++ b/src/core/index.c
@@ -64,3 +64,19 @@ ZoO_index ZoO_index_random_up_to (const ZoO_index max)
       * ((float) max)
    );
 }
+
+int ZoO_index_cmp (const ZoO_index a, const ZoO_index b)
+{
+   if (a < b)
+   {
+      return -1;
+   }
+   else if (a > b)
+   {
+      return 1;
+   }
+   else
+   {
+      return 0;
+   }
+}
diff --git a/src/core/index.h b/src/core/index.h
index eb3c471..bd77cb4 100644
--- a/src/core/index.h
+++ b/src/core/index.h
@@ -21,4 +21,6 @@ ZoO_index ZoO_index_random (void);
 @*/
 ZoO_index ZoO_index_random_up_to (const ZoO_index limit);
 
+int ZoO_index_cmp (const ZoO_index a, const ZoO_index b);
+
 #endif
diff --git a/src/core/index_types.h b/src/core/index_types.h
index 84a1e20..5514a2a 100644
--- a/src/core/index_types.h
+++ b/src/core/index_types.h
@@ -1,6 +1,8 @@
 #ifndef _ZoO_CORE_INDEX_TYPES_H_
 #define _ZoO_CORE_INDEX_TYPES_H_
 
+#include "../pervasive.h"
+
 /*
  * ZoO_index is a replacement for size_t. As many indices are stored for every
  * word learned, having control over which type of variable is used to represent
@@ -8,6 +10,7 @@
  */
 
 #include <limits.h>
+#include <stdint.h>
 
 /* Must be unsigned. */
 typedef unsigned int ZoO_index;
@@ -15,9 +18,10 @@ typedef unsigned int ZoO_index;
 /* Must be > 0. */
 #define ZoO_INDEX_MAX UINT_MAX
 
-
-#if (ZoO_INDEX_MAX > SIZE_MAX)
-   #error "ZoO_index should not be able to go higher than a size_t variable."
+#ifndef ZoO_RUNNING_FRAMA_C
+   #if (ZoO_INDEX_MAX > SIZE_MAX)
+      #error "ZoO_index should not be able to go higher than a size_t variable."
+   #endif
 #endif
 
 #endif
-- 
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