fast path if threshold>=1.0

2026-05-22 21:30:10 -03:00
parent 2888850684
commit 9bed332fe9
1 changed files with 8 additions and 0 deletions
--- a/lib11sht.c
+++ b/lib11sht.c
@@ -79,6 +79,14 @@ int sequal_full(char *a, char *b, float shold, float *ratio,
            *ratio = 1.0;
            return 0;
        }
+        if(shold >= 1.0f)
+        {
+            /* strict mode: shold=1.0 means no fuzzy match possible
+             * (shit11 ratio is always <= 1.0, never > 1.0). Skip the
+             * Levenshtein DP entirely. */
+            *ratio = 0.0f;
+            return (cmp < 0) ? -1 : 1;
+        }
        *ratio = shit11(s1, s2);
        if(*ratio > shold)
            return 0;