implement orders

1 files changed, 4 insertions, 0 deletions

diff --git a/shared/util.h b/shared/util.h
index 230c3e4..806af3a 100644
--- a/shared/util.h
+++ b/shared/util.h
@@ -6,5 +6,9 @@
 #define W2_MAX(a, b) (((a) > (b)) ? (a) : (b))
 #define W2_RANGE(min, val, max) W2_MIN(max, W2_MAX(val, min))
 
+/** calculate exponential moving average */
 unsigned long w2_util_exp_mov_avg(unsigned long current_avg, unsigned long new_meas);
+/** return the sign of a number (-1 or 1) */
 int w2_sign(int n);
+/** return amount of newline characters */
+unsigned int w2_newline_count(char *str, unsigned int len);