From: drh <>
Date: Sat, 28 Feb 2026 20:22:10 +0000 (+0000)
Subject: Code changes in sqlite3Fp10Convert2() for easier maintenance.  Does not
X-Git-Tag: version-3.52.0~21
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a000db975424962e28186641ad93d47f3c3e72c2;p=thirdparty%2Fsqlite.git

Code changes in sqlite3Fp10Convert2() for easier maintenance.  Does not
affect the generated machine code.

FossilOrigin-Name: 21c8fc7100e23b632b77934cbbafb98dfd3e6e73bab702446ef6345b378c9d36
---

diff --git a/manifest b/manifest
index 338b165797..fea4c94d67 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Improvements\sto\spower-of-ten\scomputations\sused\sfor\stext\s&harr;\sbinary64\nconversions.
-D 2026-02-27T22:59:46.633
+C Code\schanges\sin\ssqlite3Fp10Convert2()\sfor\seasier\smaintenance.\s\sDoes\snot\naffect\sthe\sgenerated\smachine\scode.
+D 2026-02-28T20:22:10.499
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -803,7 +803,7 @@ F src/trigger.c a40440614bdf523090cc07223f4878f7e3c892bcd1a13afe18f90190daa5945d
 F src/update.c 3e5e7ff66fa19ebe4d1b113d480639a24cc1175adbefabbd1a948a07f28e37cf
 F src/upsert.c 215328c3f91623c520ec8672c44323553f12caeb4f01b1090ebdca99fdf7b4f1
 F src/utf.c 7267c3fb9e2467020507601af3354c2446c61f444387e094c779dccd5ca62165
-F src/util.c 4769c290c2325d058a65f38a0056da39cbed1ad372c5a7184732ffa779261db6
+F src/util.c 367d14ee23de8f5dd77a5a57ba0eba7f27108feb32750fff191e04317c36a19b
 F src/vacuum.c d3d35d8ae893d419ade5fa196d761a83bddcbb62137a1a157ae751ef38b26e82
 F src/vdbe.c 5328c99dd256ee8132383565a86e253543a85daccfd7477c52f20bac6b385a7f
 F src/vdbe.h 966d0677a540b7ea6549b7c4e1312fc0d830fce3a235a58c801f2cc31cf5ecf9
@@ -2195,8 +2195,8 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P 6632d51f1673e9a6b6e26baebc7aaa1ae27024ad5db1baff6ee5fcf865099f43
-R 780d0868274477455c94d9f95a020fbe
+P 0780bce854b962fb2d4a1a19c55c9b5790a9669f26e1ff8b5f1f1733cfc647e0
+R 31f541b8320013c073025618707ba1b2
 U drh
-Z e4a510a255d84f66bd7f025adf1138d4
+Z 27e14806d84c6d235e25b0158b899e3c
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 59d81d1399..485e417c4b 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-0780bce854b962fb2d4a1a19c55c9b5790a9669f26e1ff8b5f1f1733cfc647e0
+21c8fc7100e23b632b77934cbbafb98dfd3e6e73bab702446ef6345b378c9d36
diff --git a/src/util.c b/src/util.c
index 3ba31da98b..1ac2553025 100644
--- a/src/util.c
+++ b/src/util.c
@@ -672,6 +672,7 @@ static double sqlite3Fp10Convert2(u64 d, int p){
   int e1;
   int e2;
   int lp;
+  int x;
   u64 h;
   double r;
   assert( (d & U64_BIT(63))==0 );
@@ -691,11 +692,12 @@ static double sqlite3Fp10Convert2(u64 d, int p){
   }
   e2 = e1 - (64-b);
   h = sqlite3Multiply128(d<<(64-b), powerOfTen(p));
-  assert( -(e2 + lp + 3) >=0 );
-  assert( -(e2 + lp + 3) <64 );
-  out = (h >> -(e2 + lp + 3)) | 1;
+  x = -(e2 + lp + 3);
+  assert( x >= 0  );
+  assert( x <= 63 );
+  out = (h >> x) | 1;
   if( out >= U64_BIT(55)-2 ){
-    out = (out>>1) | (out&1);
+    out = (out>>1) | 1;
     e1--;
   }
   if( e1<=(-972) ){