1 files changed, 0 insertions, 94 deletions
diff --git a/c_src/raid/helper.c b/c_src/raid/helper.c
deleted file mode 100644
index f66093fa..00000000
--- a/c_src/raid/helper.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2013 Andrea Mazzoleni
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include "internal.h"
-
-#define RAID_SWAP(a, b) \
-	do { \
-		if (v[a] > v[b]) { \
-			int t = v[a]; \
-			v[a] = v[b]; \
-			v[b] = t; \
-		} \
-	} while (0)
-
-void raid_sort(int n, int *v)
-{
-	/* sorting networks generated with Batcher's Merge-Exchange */
-	switch (n) {
-	case 2:
-		RAID_SWAP(0, 1);
-		break;
-	case 3:
-		RAID_SWAP(0, 2);
-		RAID_SWAP(0, 1);
-		RAID_SWAP(1, 2);
-		break;
-	case 4:
-		RAID_SWAP(0, 2);
-		RAID_SWAP(1, 3);
-		RAID_SWAP(0, 1);
-		RAID_SWAP(2, 3);
-		RAID_SWAP(1, 2);
-		break;
-	case 5:
-		RAID_SWAP(0, 4);
-		RAID_SWAP(0, 2);
-		RAID_SWAP(1, 3);
-		RAID_SWAP(2, 4);
-		RAID_SWAP(0, 1);
-		RAID_SWAP(2, 3);
-		RAID_SWAP(1, 4);
-		RAID_SWAP(1, 2);
-		RAID_SWAP(3, 4);
-		break;
-	case 6:
-		RAID_SWAP(0, 4);
-		RAID_SWAP(1, 5);
-		RAID_SWAP(0, 2);
-		RAID_SWAP(1, 3);
-		RAID_SWAP(2, 4);
-		RAID_SWAP(3, 5);
-		RAID_SWAP(0, 1);
-		RAID_SWAP(2, 3);
-		RAID_SWAP(4, 5);
-		RAID_SWAP(1, 4);
-		RAID_SWAP(1, 2);
-		RAID_SWAP(3, 4);
-		break;
-	}
-}
-
-void raid_insert(int n, int *v, int i)
-{
-	/* we don't use binary search because this is intended */
-	/* for very small vectors and we want to optimize the case */
-	/* of elements inserted already in order */
-
-	/* insert at the end */
-	v[n] = i;
-
-	/* swap until in the correct position */
-	while (n > 0 && v[n - 1] > v[n]) {
-		/* swap */
-		int t = v[n - 1];
-
-		v[n - 1] = v[n];
-		v[n] = t;
-
-		/* previous position */
-		--n;
-	}
-}
-