diff options
Diffstat (limited to 'shared')
| -rw-r--r-- | shared/util.c | 2 | ||||
| -rw-r--r-- | shared/util.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/shared/util.c b/shared/util.c index 55f3491..68503e8 100644 --- a/shared/util.c +++ b/shared/util.c @@ -4,3 +4,5 @@ unsigned long w2_util_exp_mov_avg(unsigned long current_avg, unsigned long new_m return (unsigned long)((((double)(current_avg)) * ((double)(1.f - W2_EMA_WEIGHT))) + (((double)(new_meas)) * ((double)(W2_EMA_WEIGHT)))); } + +int w2_sign(int n) { return (n > 0) - (n < 0); } diff --git a/shared/util.h b/shared/util.h index 465e043..230c3e4 100644 --- a/shared/util.h +++ b/shared/util.h @@ -7,3 +7,4 @@ #define W2_RANGE(min, val, max) W2_MIN(max, W2_MAX(val, min)) unsigned long w2_util_exp_mov_avg(unsigned long current_avg, unsigned long new_meas); +int w2_sign(int n); |