4d8eb16f07
[forum:/forumpost/fa027bb0ab|Forum post fa027bb0ab]. FossilOrigin-Name: c48f1be8cc505a7e2902c79e26c1d9a121ff5c55785ac812d2e09232b2414695
194 lines
7.8 KiB
Plaintext
194 lines
7.8 KiB
Plaintext
# 2017 December 9
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix decimal
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if {[catch {load_static_extension db decimal} error]} {
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puts "Skipping decimal tests, hit load error: $error"
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finish_test; return
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}
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do_execsql_test 1000 {
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SELECT decimal(1);
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} {1}
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do_execsql_test 1010 {
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SELECT decimal('1.0');
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} {1.0}
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do_execsql_test 1020 {
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SELECT decimal('0001.0');
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} {1.0}
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do_execsql_test 1030 {
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SELECT decimal('+0001.0');
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} {1.0}
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do_execsql_test 1040 {
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SELECT decimal('-0001.0');
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} {-1.0}
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do_execsql_test 1050 {
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SELECT decimal('1.0e72');
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} {1000000000000000000000000000000000000000000000000000000000000000000000000}
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# 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123
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do_execsql_test 1060 {
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SELECT decimal('1.0e-72');
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} {0.0000000000000000000000000000000000000000000000000000000000000000000000010}
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# 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123
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do_execsql_test 1070 {
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SELECT decimal('-123e-4');
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} {-0.0123}
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do_execsql_test 1080 {
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SELECT decimal('+123e+4');
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} {1230000}
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do_execsql_test 1081 {
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SELECT decimal_exp('+123e+4');
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} {+1.23e+06}
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do_execsql_test 2000 {
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CREATE TABLE t1(seq INTEGER PRIMARY KEY, val TEXT);
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INSERT INTO t1 VALUES
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(1, '-9999e99'),
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(2, '-9998.000e+99'),
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(3, '-9999.0'),
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(4, '-1'),
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(5, '-9999e-20'),
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(6, '0'),
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(7, '1e-30'),
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(8, '1e-29'),
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(9, '1'),
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(10,'1.00000000000000001'),
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(11,'+1.00001'),
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(12,'99e+99');
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SELECT *, '|'
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FROM t1 AS a, t1 AS b
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WHERE a.seq<b.seq
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AND decimal_cmp(a.val,b.val)>=0;
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} {}
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do_execsql_test 2010 {
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SELECT *, '|'
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FROM t1 AS a, t1 AS b
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WHERE a.seq<>b.seq
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AND decimal_cmp(a.val,b.val)==0;
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} {}
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do_execsql_test 2020 {
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SELECT *, '|'
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FROM t1 AS a, t1 AS b
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WHERE a.seq>b.seq
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AND decimal_cmp(a.val,b.val)<=0;
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} {}
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do_execsql_test 2030 {
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SELECT seq FROM t1 ORDER BY val COLLATE decimal;
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} {1 2 3 4 5 6 7 8 9 10 11 12}
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do_execsql_test 2040 {
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SELECT seq FROM t1 ORDER BY val COLLATE decimal DESC;
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} {12 11 10 9 8 7 6 5 4 3 2 1}
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do_execsql_test 3000 {
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CREATE TABLE t3(seq INTEGER PRIMARY KEY, val TEXT);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<10)
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INSERT INTO t3(seq, val) SELECT x, x FROM c;
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WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<5)
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INSERT INTO t3(seq, val) SELECT x+10, x*1000 FROM c;
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SELECT decimal(val) FROM t3 ORDER BY seq;
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} {1 2 3 4 5 6 7 8 9 10 1000 2000 3000 4000 5000}
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do_execsql_test 3020 {
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SELECT decimal_add(val,'0.5') FROM t3 WHERE seq>5 ORDER BY seq
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} {6.5 7.5 8.5 9.5 10.5 1000.5 2000.5 3000.5 4000.5 5000.5}
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do_execsql_test 3030 {
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SELECT decimal_add(val,'-10') FROM t3 ORDER BY seq;
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} {-9 -8 -7 -6 -5 -4 -3 -2 -1 0 990 1990 2990 3990 4990}
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do_execsql_test 4000 {
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SELECT decimal_sum(val) FROM t3;
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} {15055}
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do_execsql_test 4010 {
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SELECT decimal_sum(decimal_add(val,val||'e+10')) FROM t3;
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} {150550000015055}
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do_execsql_test 4010 {
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SELECT decimal_sum(decimal_add(val||'e+20',decimal_add(val,val||'e-20')))
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FROM t3;
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} {1505500000000000000015055.00000000000000015055}
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do_execsql_test 5000 {
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WITH RECURSIVE c(x,y,z) AS (
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VALUES(0,'1','1')
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UNION ALL
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SELECT x+1, decimal_mul(y,'2'), decimal_mul(z,'0.5')
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FROM c WHERE x<32
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)
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SELECT count(*) FROM c WHERE decimal_mul(y,z)='1';
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} {33}
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do_execsql_test 5100 {
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SELECT decimal_mul('1234.00','2.00');
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} {2468.00}
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do_execsql_test 5101 {
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SELECT decimal_mul('1234.00','2.0000');
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} {2468.00}
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do_execsql_test 5102 {
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SELECT decimal_mul('1234.0000','2.000');
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} {2468.000}
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do_execsql_test 5103 {
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SELECT decimal_mul('1234.0000','2');
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} {2468}
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if {[catch {load_static_extension db ieee754} error]} {
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puts "Skipping ieee754 tests, hit load error: $error"
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finish_test; return
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}
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do_execsql_test 6000 {
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CREATE TABLE pow2(x INTEGER PRIMARY KEY, v TEXT);
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WITH RECURSIVE c(x,v) AS (
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VALUES(0,'1')
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UNION ALL
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SELECT x+1, decimal_mul(v,'2') FROM c WHERE x+1<=971
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) INSERT INTO pow2(x,v) SELECT x, v FROM c;
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WITH RECURSIVE c(x,v) AS (
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VALUES(-1,'0.5')
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UNION ALL
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SELECT x-1, decimal_mul(v,'0.5') FROM c WHERE x-1>=-1075
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) INSERT INTO pow2(x,v) SELECT x, v FROM c;
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} {}
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do_execsql_test 6010 {
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WITH c(n) AS (SELECT ieee754_from_blob(x'0000000000000001'))
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SELECT decimal_mul(ieee754_mantissa(c.n),pow2.v)
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FROM pow2, c WHERE pow2.x=ieee754_exponent(c.n);
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} {0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625}
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do_execsql_test 6011 {
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WITH c(n) AS (SELECT ieee754_from_blob(x'0000000000000001'))
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SELECT decimal(c.n) FROM c;
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} {0.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004940656458412465441765687928682213723650598026143247644255856825006755072702087518652998363616359923797965646954457177309266567103559397963987747960107818781263007131903114045278458171678489821036887186360569987307230500063874091535649843873124733972731696151400317153853980741262385655911710266585566867681870395603106249319452715914924553293054565444011274801297099995419319894090804165633245247571478690147267801593552386115501348035264934720193790268107107491703332226844753335720832431936092382893458368060106011506169809753078342277318329247904982524730776375927247874656084778203734469699533647017972677717585125660551199131504891101451037862738167250955837389733598993664809941164205702637090279242767544565229087538682506419718265533447265625}
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do_execsql_test 6020 {
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WITH c(n) AS (SELECT ieee754_from_blob(x'7fefffffffffffff'))
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SELECT decimal_mul(ieee754_mantissa(c.n),pow2.v)
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FROM pow2, c WHERE pow2.x=ieee754_exponent(c.n);
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} {179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368}
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do_execsql_test 6100 {
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SELECT ieee754(ieee754_from_blob(x'0000000000000001'));
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} {ieee754(1,-1074)}
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do_execsql_test 6110 {
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SELECT ieee754(ieee754_from_blob(x'7fefffffffffffff'));
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} {ieee754(9007199254740991,971)}
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do_execsql_test 6120 {
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SELECT printf('%.8e',ieee754_from_blob(x'0000000000000001'));
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} {4.94065646e-324}
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do_execsql_test 6130 {
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SELECT printf('%.8e',ieee754_from_blob(x'ffefffffffffffff'));
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} {-1.79769313e+308}
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finish_test
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