Use 0xFF instead of -1 for the unique mask

`char` type is unsigned on aarch64, so negative values cannot be used
ablab · Apr 4, 2024 · c9e4223 · c9e4223
1 parent 6bbf2c5
commit c9e4223
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/common/kmer_index/extension_index/inout_mask.hpp b/src/common/kmer_index/extension_index/inout_mask.hpp
@@ -63,10 +63,10 @@ class InOutMask {
         return unique[mask];
     }
 
-    static constexpr int8_t GetUnique(uint8_t mask) {
-        constexpr int8_t next[] =
-                { -1,  0,  1, -1,  2, -1, -1, -1,
-                  3, -1, -1, -1, -1, -1, -1, -1 };
+     static constexpr char GetUnique(uint8_t mask) {
+        constexpr char next[] =
+            {  UINT8_C(0xFF),  0,  1, UINT8_C(0xFF),  2, UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF),
+            3, UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF), UINT8_C(0xFF) };
         return next[mask];
     }