Merge pull request #18316 from taosdata/fix/TD-20573

fix: [ASAN] devive by zero

source/libs/scalar/src/sclfunc.c

@@ -24,6 +24,8 @@ static double tlog2(double v, double base) {
     return a;
   } else if (isnan(b) || isinf(b)) {
     return b;
+  } else if (b == 0) {
+    return INFINITY;
   } else {
     return a / b;
   }