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-rw-r--r--src/test/regress/sql/float4.sql354
1 files changed, 354 insertions, 0 deletions
diff --git a/src/test/regress/sql/float4.sql b/src/test/regress/sql/float4.sql
new file mode 100644
index 0000000..612486e
--- /dev/null
+++ b/src/test/regress/sql/float4.sql
@@ -0,0 +1,354 @@
+--
+-- FLOAT4
+--
+
+CREATE TABLE FLOAT4_TBL (f1 float4);
+
+INSERT INTO FLOAT4_TBL(f1) VALUES (' 0.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30 ');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' -34.84 ');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20');
+
+-- test for over and under flow
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70');
+
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70'::float8);
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70'::float8);
+
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-400');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-400');
+
+-- bad input
+INSERT INTO FLOAT4_TBL(f1) VALUES ('');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' ');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('xyz');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5.0.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5 . 0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('5. 0');
+INSERT INTO FLOAT4_TBL(f1) VALUES (' - 3.0');
+INSERT INTO FLOAT4_TBL(f1) VALUES ('123 5');
+
+-- special inputs
+SELECT 'NaN'::float4;
+SELECT 'nan'::float4;
+SELECT ' NAN '::float4;
+SELECT 'infinity'::float4;
+SELECT ' -INFINiTY '::float4;
+-- bad special inputs
+SELECT 'N A N'::float4;
+SELECT 'NaN x'::float4;
+SELECT ' INFINITY x'::float4;
+
+SELECT 'Infinity'::float4 + 100.0;
+SELECT 'Infinity'::float4 / 'Infinity'::float4;
+SELECT '42'::float4 / 'Infinity'::float4;
+SELECT 'nan'::float4 / 'nan'::float4;
+SELECT 'nan'::float4 / '0'::float4;
+SELECT 'nan'::numeric::float4;
+
+SELECT * FROM FLOAT4_TBL;
+
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3';
+
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3';
+
+SELECT f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1;
+
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3';
+
+SELECT f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1;
+
+SELECT f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3';
+
+SELECT f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+
+SELECT f.f1, f.f1 + '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+
+SELECT f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+
+SELECT f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
+ WHERE f.f1 > '0.0';
+
+-- test divide by zero
+SELECT f.f1 / '0.0' from FLOAT4_TBL f;
+
+SELECT * FROM FLOAT4_TBL;
+
+-- test the unary float4abs operator
+SELECT f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f;
+
+UPDATE FLOAT4_TBL
+ SET f1 = FLOAT4_TBL.f1 * '-1'
+ WHERE FLOAT4_TBL.f1 > '0.0';
+
+SELECT * FROM FLOAT4_TBL;
+
+-- test edge-case coercions to integer
+SELECT '32767.4'::float4::int2;
+SELECT '32767.6'::float4::int2;
+SELECT '-32768.4'::float4::int2;
+SELECT '-32768.6'::float4::int2;
+SELECT '2147483520'::float4::int4;
+SELECT '2147483647'::float4::int4;
+SELECT '-2147483648.5'::float4::int4;
+SELECT '-2147483900'::float4::int4;
+SELECT '9223369837831520256'::float4::int8;
+SELECT '9223372036854775807'::float4::int8;
+SELECT '-9223372036854775808.5'::float4::int8;
+SELECT '-9223380000000000000'::float4::int8;
+
+-- Test for correct input rounding in edge cases.
+-- These lists are from Paxson 1991, excluding subnormals and
+-- inputs of over 9 sig. digits.
+
+SELECT float4send('5e-20'::float4);
+SELECT float4send('67e14'::float4);
+SELECT float4send('985e15'::float4);
+SELECT float4send('55895e-16'::float4);
+SELECT float4send('7038531e-32'::float4);
+SELECT float4send('702990899e-20'::float4);
+
+SELECT float4send('3e-23'::float4);
+SELECT float4send('57e18'::float4);
+SELECT float4send('789e-35'::float4);
+SELECT float4send('2539e-18'::float4);
+SELECT float4send('76173e28'::float4);
+SELECT float4send('887745e-11'::float4);
+SELECT float4send('5382571e-37'::float4);
+SELECT float4send('82381273e-35'::float4);
+SELECT float4send('750486563e-38'::float4);
+
+-- Test that the smallest possible normalized input value inputs
+-- correctly, either in 9-significant-digit or shortest-decimal
+-- format.
+--
+-- exact val is 1.1754943508...
+-- shortest val is 1.1754944000
+-- midpoint to next val is 1.1754944208...
+
+SELECT float4send('1.17549435e-38'::float4);
+SELECT float4send('1.1754944e-38'::float4);
+
+-- test output (and round-trip safety) of various values.
+-- To ensure we're testing what we think we're testing, start with
+-- float values specified by bit patterns (as a useful side effect,
+-- this means we'll fail on non-IEEE platforms).
+
+create type xfloat4;
+create function xfloat4in(cstring) returns xfloat4 immutable strict
+ language internal as 'int4in';
+create function xfloat4out(xfloat4) returns cstring immutable strict
+ language internal as 'int4out';
+create type xfloat4 (input = xfloat4in, output = xfloat4out, like = float4);
+create cast (xfloat4 as float4) without function;
+create cast (float4 as xfloat4) without function;
+create cast (xfloat4 as integer) without function;
+create cast (integer as xfloat4) without function;
+
+-- float4: seeeeeee emmmmmmm mmmmmmmm mmmmmmmm
+
+-- we don't care to assume the platform's strtod() handles subnormals
+-- correctly; those are "use at your own risk". However we do test
+-- subnormal outputs, since those are under our control.
+
+with testdata(bits) as (values
+ -- small subnormals
+ (x'00000001'),
+ (x'00000002'), (x'00000003'),
+ (x'00000010'), (x'00000011'), (x'00000100'), (x'00000101'),
+ (x'00004000'), (x'00004001'), (x'00080000'), (x'00080001'),
+ -- stress values
+ (x'0053c4f4'), -- 7693e-42
+ (x'006c85c4'), -- 996622e-44
+ (x'0041ca76'), -- 60419369e-46
+ (x'004b7678'), -- 6930161142e-48
+ -- taken from upstream testsuite
+ (x'00000007'),
+ (x'00424fe2'),
+ -- borderline between subnormal and normal
+ (x'007ffff0'), (x'007ffff1'), (x'007ffffe'), (x'007fffff'))
+select float4send(flt) as ibits,
+ flt
+ from (select bits::integer::xfloat4::float4 as flt
+ from testdata
+ offset 0) s;
+
+with testdata(bits) as (values
+ (x'00000000'),
+ -- smallest normal values
+ (x'00800000'), (x'00800001'), (x'00800004'), (x'00800005'),
+ (x'00800006'),
+ -- small normal values chosen for short vs. long output
+ (x'008002f1'), (x'008002f2'), (x'008002f3'),
+ (x'00800e17'), (x'00800e18'), (x'00800e19'),
+ -- assorted values (random mantissae)
+ (x'01000001'), (x'01102843'), (x'01a52c98'),
+ (x'0219c229'), (x'02e4464d'), (x'037343c1'), (x'03a91b36'),
+ (x'047ada65'), (x'0496fe87'), (x'0550844f'), (x'05999da3'),
+ (x'060ea5e2'), (x'06e63c45'), (x'07f1e548'), (x'0fc5282b'),
+ (x'1f850283'), (x'2874a9d6'),
+ -- values around 5e-08
+ (x'3356bf94'), (x'3356bf95'), (x'3356bf96'),
+ -- around 1e-07
+ (x'33d6bf94'), (x'33d6bf95'), (x'33d6bf96'),
+ -- around 3e-07 .. 1e-04
+ (x'34a10faf'), (x'34a10fb0'), (x'34a10fb1'),
+ (x'350637bc'), (x'350637bd'), (x'350637be'),
+ (x'35719786'), (x'35719787'), (x'35719788'),
+ (x'358637bc'), (x'358637bd'), (x'358637be'),
+ (x'36a7c5ab'), (x'36a7c5ac'), (x'36a7c5ad'),
+ (x'3727c5ab'), (x'3727c5ac'), (x'3727c5ad'),
+ -- format crossover at 1e-04
+ (x'38d1b714'), (x'38d1b715'), (x'38d1b716'),
+ (x'38d1b717'), (x'38d1b718'), (x'38d1b719'),
+ (x'38d1b71a'), (x'38d1b71b'), (x'38d1b71c'),
+ (x'38d1b71d'),
+ --
+ (x'38dffffe'), (x'38dfffff'), (x'38e00000'),
+ (x'38efffff'), (x'38f00000'), (x'38f00001'),
+ (x'3a83126e'), (x'3a83126f'), (x'3a831270'),
+ (x'3c23d709'), (x'3c23d70a'), (x'3c23d70b'),
+ (x'3dcccccc'), (x'3dcccccd'), (x'3dccccce'),
+ -- chosen to need 9 digits for 3dcccd70
+ (x'3dcccd6f'), (x'3dcccd70'), (x'3dcccd71'),
+ --
+ (x'3effffff'), (x'3f000000'), (x'3f000001'),
+ (x'3f333332'), (x'3f333333'), (x'3f333334'),
+ -- approach 1.0 with increasing numbers of 9s
+ (x'3f666665'), (x'3f666666'), (x'3f666667'),
+ (x'3f7d70a3'), (x'3f7d70a4'), (x'3f7d70a5'),
+ (x'3f7fbe76'), (x'3f7fbe77'), (x'3f7fbe78'),
+ (x'3f7ff971'), (x'3f7ff972'), (x'3f7ff973'),
+ (x'3f7fff57'), (x'3f7fff58'), (x'3f7fff59'),
+ (x'3f7fffee'), (x'3f7fffef'),
+ -- values very close to 1
+ (x'3f7ffff0'), (x'3f7ffff1'), (x'3f7ffff2'),
+ (x'3f7ffff3'), (x'3f7ffff4'), (x'3f7ffff5'),
+ (x'3f7ffff6'), (x'3f7ffff7'), (x'3f7ffff8'),
+ (x'3f7ffff9'), (x'3f7ffffa'), (x'3f7ffffb'),
+ (x'3f7ffffc'), (x'3f7ffffd'), (x'3f7ffffe'),
+ (x'3f7fffff'),
+ (x'3f800000'),
+ (x'3f800001'), (x'3f800002'), (x'3f800003'),
+ (x'3f800004'), (x'3f800005'), (x'3f800006'),
+ (x'3f800007'), (x'3f800008'), (x'3f800009'),
+ -- values 1 to 1.1
+ (x'3f80000f'), (x'3f800010'), (x'3f800011'),
+ (x'3f800012'), (x'3f800013'), (x'3f800014'),
+ (x'3f800017'), (x'3f800018'), (x'3f800019'),
+ (x'3f80001a'), (x'3f80001b'), (x'3f80001c'),
+ (x'3f800029'), (x'3f80002a'), (x'3f80002b'),
+ (x'3f800053'), (x'3f800054'), (x'3f800055'),
+ (x'3f800346'), (x'3f800347'), (x'3f800348'),
+ (x'3f8020c4'), (x'3f8020c5'), (x'3f8020c6'),
+ (x'3f8147ad'), (x'3f8147ae'), (x'3f8147af'),
+ (x'3f8ccccc'), (x'3f8ccccd'), (x'3f8cccce'),
+ --
+ (x'3fc90fdb'), -- pi/2
+ (x'402df854'), -- e
+ (x'40490fdb'), -- pi
+ --
+ (x'409fffff'), (x'40a00000'), (x'40a00001'),
+ (x'40afffff'), (x'40b00000'), (x'40b00001'),
+ (x'411fffff'), (x'41200000'), (x'41200001'),
+ (x'42c7ffff'), (x'42c80000'), (x'42c80001'),
+ (x'4479ffff'), (x'447a0000'), (x'447a0001'),
+ (x'461c3fff'), (x'461c4000'), (x'461c4001'),
+ (x'47c34fff'), (x'47c35000'), (x'47c35001'),
+ (x'497423ff'), (x'49742400'), (x'49742401'),
+ (x'4b18967f'), (x'4b189680'), (x'4b189681'),
+ (x'4cbebc1f'), (x'4cbebc20'), (x'4cbebc21'),
+ (x'4e6e6b27'), (x'4e6e6b28'), (x'4e6e6b29'),
+ (x'501502f8'), (x'501502f9'), (x'501502fa'),
+ (x'51ba43b6'), (x'51ba43b7'), (x'51ba43b8'),
+ -- stress values
+ (x'1f6c1e4a'), -- 5e-20
+ (x'59be6cea'), -- 67e14
+ (x'5d5ab6c4'), -- 985e15
+ (x'2cc4a9bd'), -- 55895e-16
+ (x'15ae43fd'), -- 7038531e-32
+ (x'2cf757ca'), -- 702990899e-20
+ (x'665ba998'), -- 25933168707e13
+ (x'743c3324'), -- 596428896559e20
+ -- exercise fixed-point memmoves
+ (x'47f1205a'),
+ (x'4640e6ae'),
+ (x'449a5225'),
+ (x'42f6e9d5'),
+ (x'414587dd'),
+ (x'3f9e064b'),
+ -- these cases come from the upstream's testsuite
+ -- BoundaryRoundEven
+ (x'4c000004'),
+ (x'50061c46'),
+ (x'510006a8'),
+ -- ExactValueRoundEven
+ (x'48951f84'),
+ (x'45fd1840'),
+ -- LotsOfTrailingZeros
+ (x'39800000'),
+ (x'3b200000'),
+ (x'3b900000'),
+ (x'3bd00000'),
+ -- Regression
+ (x'63800000'),
+ (x'4b000000'),
+ (x'4b800000'),
+ (x'4c000001'),
+ (x'4c800b0d'),
+ (x'00d24584'),
+ (x'00d90b88'),
+ (x'45803f34'),
+ (x'4f9f24f7'),
+ (x'3a8722c3'),
+ (x'5c800041'),
+ (x'15ae43fd'),
+ (x'5d4cccfb'),
+ (x'4c800001'),
+ (x'57800ed8'),
+ (x'5f000000'),
+ (x'700000f0'),
+ (x'5f23e9ac'),
+ (x'5e9502f9'),
+ (x'5e8012b1'),
+ (x'3c000028'),
+ (x'60cde861'),
+ (x'03aa2a50'),
+ (x'43480000'),
+ (x'4c000000'),
+ -- LooksLikePow5
+ (x'5D1502F9'),
+ (x'5D9502F9'),
+ (x'5E1502F9'),
+ -- OutputLength
+ (x'3f99999a'),
+ (x'3f9d70a4'),
+ (x'3f9df3b6'),
+ (x'3f9e0419'),
+ (x'3f9e0610'),
+ (x'3f9e064b'),
+ (x'3f9e0651'),
+ (x'03d20cfe')
+)
+select float4send(flt) as ibits,
+ flt,
+ flt::text::float4 as r_flt,
+ float4send(flt::text::float4) as obits,
+ float4send(flt::text::float4) = float4send(flt) as correct
+ from (select bits::integer::xfloat4::float4 as flt
+ from testdata
+ offset 0) s;
+
+-- clean up, lest opr_sanity complain
+drop type xfloat4 cascade;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 02:36:27 +0000