From: drh <>
Date: Wed, 12 Jun 2024 00:30:37 +0000 (+0000)
Subject: Test cases for the round() function for values within one epsilon of the 5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=190546ad7ec7f034a6deb78df58b4c87a3f0025b;p=thirdparty%2Fsqlite.git

Test cases for the round() function for values within one epsilon of the 5
round-up threshold.

FossilOrigin-Name: 552b1b106691eddb5b503c94065a1ae08d86a24f573e93fe874c48623dc28b99
---

diff --git a/manifest b/manifest
index 7e95f13f30..d9476859c7 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C A\ssecond\sapproach\sto\sworking\son\sthe\sround()\sfunction\sso\sthat\sit\sgives\sa\nsmall\sboost\sto\snumbers\sthat\sare\s...49999999\ssuch\sthat\sthey\sround\sup.
-D 2024-06-11T22:47:33.094
+C Test\scases\sfor\sthe\sround()\sfunction\sfor\svalues\swithin\sone\sepsilon\sof\sthe\s5\nround-up\sthreshold.
+D 2024-06-12T00:30:37.110
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -1543,6 +1543,7 @@ F test/rollback.test 06680159bc6746d0f26276e339e3ae2f951c64812468308838e0a3362d9
 F test/rollback2.test 3f3a4e20401825017df7e7671e9f31b6de5fae5620c2b9b49917f52f8c160a8f
 F test/rollbackfault.test 0e646aeab8840c399cfbfa43daab46fd609cf04a
 F test/round1.test 29c3c9039936ed024d672f003c4d35ee11c14c0acb75c5f7d6188ff16190cfd4
+F test/round2.test 628c34321eaec238772ff0fbf37e702c129ee91b1992b5450c36ceb77986a429
 F test/rowallock.test 3f88ec6819489d0b2341c7a7528ae17c053ab7cc
 F test/rowhash.test 0bc1d31415e4575d10cacf31e1a66b5cc0f8be81
 F test/rowid.test d27191b5ce794c05bf61081e8b2c546a1844c1641321dcaf7fb785234256cc8e
@@ -2195,11 +2196,9 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 6935ac71bad3d36cc519f0325ae4447a674f257309d020cdc0741160fcce0580
-R 20f10f21aa5a26361938ba3edec94cb0
-T *branch * round-up-2
-T *sym-round-up-2 *
-T -sym-trunk *
+P 44dd632896e688a7d73707f43261577b237628a587800b94f1b77d3ab0cedc2e
+Q +4a790d3b28685f08bbb722057cd6a97aea08a2b2a6098562c6373fd3b5b7206c
+R 654d15fd5bfaa578239c1ec4318433f9
 U drh
-Z 72a6e77fd70156feb2a1bdd4868e4b54
+Z 7012d98fd09019b22f3f917305a9afdf
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 7bbac74375..cccc17ba95 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-44dd632896e688a7d73707f43261577b237628a587800b94f1b77d3ab0cedc2e
\ No newline at end of file
+552b1b106691eddb5b503c94065a1ae08d86a24f573e93fe874c48623dc28b99
\ No newline at end of file
diff --git a/test/round2.test b/test/round2.test
new file mode 100644
index 0000000000..d843b09e1c
--- /dev/null
+++ b/test/round2.test
@@ -0,0 +1,50 @@
+# 2024-06-10
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# 
+#  https://sqlite.org/forum/forumpost/c0753dfb2d5d7f75
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix round2
+
+load_static_extension db stmtrand ieee754
+do_execsql_test 1.1 {
+  WITH RECURSIVE
+    c(n) AS (VALUES(0) UNION ALL SELECT n+1 FROM c WHERE n<100000),
+    r(a,b) AS MATERIALIZED (SELECT stmtrand()%100000, stmtrand()%100000 FROM c),
+    f(x,y,n) AS (
+       SELECT CAST(format('%d.%d5',a,b) AS real),
+              CAST(format('%d.%d6',a,b) AS real),
+               length(format('%d',b)) FROM r)
+    SELECT x, n, round(x,n), round(y,n) FROM f
+     WHERE round(x,n)<>round(y,n);
+
+} {}
+do_execsql_test 1.2 {
+  SELECT round(0.15,1);
+} 0.2
+do_execsql_test 1.3 {
+  SELECT round(0.14999999999999999,1);
+} 0.2
+do_execsql_test 1.4 {
+  SELECT round(0.1499999999999999944488848768742172978818416595458984375,1);
+} 0.2
+do_execsql_test 1.5 {
+  SELECT round(ieee754_from_blob(x'3fc3333333333333'),1);
+} 0.2
+do_execsql_test 1.6 {
+  SELECT round(ieee754_from_blob(x'3fc3333333333332'),1);
+} 0.1
+
+
+
+finish_test