Add instrumentation

Track the number of comparisons, swaps, and rotations performed in each
part of the sorting algorithm.

1 files changed, 23 insertions, 0 deletions

diff --git a/counts.h b/counts.h
new file mode 100644
index 0000000..46e2e18
--- /dev/null
+++ b/counts.h
@@ -0,0 +1,23 @@
+#ifndef COUNTS_H
+#define COUNTS_H
+
+enum {
+	CURRENT,
+	SORTNET,
+	LAST_OVERLAP,
+	MERGE,
+	MOVE_BUFFER,
+	DISTRIBUTE,
+	MAX_COUNTS
+};
+
+extern struct counts {
+	unsigned long compare, swap, rotate;
+} counts[MAX_COUNTS];
+
+void clear_all_counts(void);
+void clear_accumulator(void);
+void add_counts(struct counts*, struct counts*);
+void print_counts(void);
+
+#endif