Fix another problem from [c63e26e705f5e967] involving infinities and the

Kahan-Babushka-Neumaier summation algorithm. Problem reported by [forum:/forumpost/23b8688ef4|forum post 23b8688ef4]. FossilOrigin-Name: 45d272ef38d5ee6189f81369aefb8e3ac35868a67687012d93c84f2bbc42520a
2024-03-19 10:16:17 +00:00
parent 28cd72ac52
commit 5ed044e893
6 changed files with 53 additions and 16 deletions
@@ -4712,10 +4712,13 @@ void sqlite3MutexWarnOnContention(sqlite3_mutex*);
 # define EXP754 (((u64)0x7ff)<<52)
 # define MAN754 ((((u64)1)<<52)-1)
 # define IsNaN(X) (((X)&EXP754)==EXP754 && ((X)&MAN754)!=0)
+# define IsOvfl(X) (((X)&EXP754)==EXP754)
  int sqlite3IsNaN(double);
+  int sqlite3IsOverflow(double);
 #else
-# define IsNaN(X)         0
-# define sqlite3IsNaN(X)  0
+# define IsNaN(X)             0
+# define sqlite3IsNaN(X)      0
+# define sqlite3IsOVerflow(X) 0
 #endif

 /*