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https://sqlite.org/forum/forumpost/7dfd585ce1
https://sqlite.org/src/info/d0fbe779bc2460e1
Index: test/func4.test
==================================================================
--- a/test/func4.test
+++ b/test/func4.test
@@ -1,6 +1,6 @@
-# 2013 March 10
+# 2023-03-10
#
# 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.
@@ -7,11 +7,14 @@
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The focus of
-# this file is testing the tointeger() and toreal() functions.
+# this file is testing the tointeger() and toreal() functions that are
+# part of the "totype.c" extension. This file does not test the core
+# SQLite library. Failures of tests in this file are related to the
+# ext/misc/totype.c extension.
#
# Several of the toreal() tests are disabled on platforms where floating
# point precision is not high enough to represent their constant integer
# expression arguments as double precision floating point values.
#
@@ -21,10 +24,24 @@
set tcl_precision 0
load_static_extension db totype
set highPrecision(1) [expr \
{[db eval {SELECT tointeger(9223372036854775807 + 1);}] eq {{}}}]
+set highPrecision(2) [expr \
+ {[db eval {SELECT toreal(-9223372036854775808 + 1);}] eq {{}}}]
+
+# highPrecision(3) is only known to be false on i586 with gcc-13 and -O2.
+# It is true on the exact same platform with -O0. Both results seem
+# reasonable, so we'll just very the expectation accordingly.
+#
+set highPrecision(3) [expr \
+ {[db eval {SELECT toreal(9007199254740992 + 1);}] eq {{}}}]
+
+if {!$highPrecision(1) || !$highPrecision(2) || !$highPrecision(3)} {
+ puts "NOTICE: use_long_double: [use_long_double] \
+ highPrecision: $highPrecision(1) $highPrecision(2) $highPrecision(3)"
+}
do_execsql_test func4-1.1 {
SELECT tointeger(NULL);
} {{}}
do_execsql_test func4-1.2 {
@@ -193,12 +210,10 @@
do_execsql_test func4-1.55 {
SELECT tointeger(18446744073709551616 + 1);
} {{}}
ifcapable floatingpoint {
- set highPrecision(2) [expr \
- {[db eval {SELECT toreal(-9223372036854775808 + 1);}] eq {{}}}]
do_execsql_test func4-2.1 {
SELECT toreal(NULL);
} {{}}
do_execsql_test func4-2.2 {
@@ -339,14 +354,18 @@
SELECT toreal(9007199254740992 - 1);
} {9007199254740991.0}
do_execsql_test func4-2.45 {
SELECT toreal(9007199254740992);
} {9007199254740992.0}
- if {$highPrecision(2)} {
+ if {$highPrecision(3)} {
+ do_execsql_test func4-2.46 {
+ SELECT toreal(9007199254740992 + 1);
+ } {{}}
+ } else {
do_execsql_test func4-2.46 {
SELECT toreal(9007199254740992 + 1);
- } {{}}
+ } {9007199254740992.0}
}
do_execsql_test func4-2.47 {
SELECT toreal(9007199254740992 + 2);
} {9007199254740994.0}
do_execsql_test func4-2.48 {
@@ -624,14 +643,18 @@
SELECT tointeger(toreal(9007199254740992 - 1));
} {9007199254740991}
do_execsql_test func4-5.22 {
SELECT tointeger(toreal(9007199254740992));
} {9007199254740992}
- if {$highPrecision(2)} {
+ if {$highPrecision(3)} {
do_execsql_test func4-5.23 {
SELECT tointeger(toreal(9007199254740992 + 1));
} {{}}
+ } else {
+ do_execsql_test func4-5.23 {
+ SELECT tointeger(toreal(9007199254740992 + 1));
+ } {9007199254740992}
}
do_execsql_test func4-5.24 {
SELECT tointeger(toreal(9007199254740992 + 2));
} {9007199254740994}
if {$highPrecision(1)} {
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