diff options
| -rw-r--r-- | pjlib/include/pj/math.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/pjlib/include/pj/math.h b/pjlib/include/pj/math.h index c8f7ce48..9d7653ec 100644 --- a/pjlib/include/pj/math.h +++ b/pjlib/include/pj/math.h @@ -167,6 +167,7 @@ PJ_INLINE(void) pj_math_stat_update(pj_math_stat *stat, int val) */ PJ_INLINE(unsigned) pj_math_stat_get_stddev(pj_math_stat *stat) { + if (stat->n == 0) return 0; return (pj_isqrt((unsigned)(stat->m2_/stat->n))); } |