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Commitfaee5a1

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Back off output precision in circle.sql regression test.
We were setting extra_float_digits = 0 to avoid platform-dependentoutput in this test, but that's still able to expose platform-specificroundoff behavior in some new test cases added by commita3d2844,as reported by Peter Eisentraut. Reduce it to -1 to hide that.(Over in geometry.sql, we're using -3, which is an ancient decisiondating to337f73b. I wonder whether that's overkill now. Butthere's probably little value in trying to change it.)Back-patch to v12 wherea3d2844 came in; there's no evidence thatwe have any platform-dependent issues here before that.Discussion:https://postgr.es/m/15551268-e224-aa46-084a-124b64095ee3@2ndquadrant.com
1 parentf493d98 commitfaee5a1

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+11
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2 files changed

+11
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‎src/test/regress/expected/circle.out

Lines changed: 8 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,9 @@
11
--
22
-- CIRCLE
33
--
4-
-- avoid bit-exact output here because operations may not be bit-exact.
5-
SET extra_float_digits = 0;
4+
-- Back off displayed precision a little bit to reduce platform-to-platform
5+
-- variation in results.
6+
SET extra_float_digits = -1;
67
CREATE TABLE CIRCLE_TBL (f1 circle);
78
INSERT INTO CIRCLE_TBL VALUES ('<(5,1),3>');
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INSERT INTO CIRCLE_TBL VALUES ('<(1,2),100>');
@@ -113,12 +114,12 @@ SELECT '' as five, c1.f1 AS one, c2.f1 AS two, (c1.f1 <-> c2.f1) AS distance
113114
five | one | two | distance
114115
------+----------------+----------------+------------------
115116
| <(3,5),0> | <(1,2),3> | 0.60555127546399
116-
| <(3,5),0> | <(5,1),3> |1.47213595499958
117+
| <(3,5),0> | <(5,1),3> | 1.4721359549996
117118
| <(100,200),10> | <(100,1),115> | 74
118-
| <(100,200),10> | <(1,2),100> | 111.370729772479
119-
| <(1,3),5> | <(100,200),10> | 205.476756144497
119+
| <(100,200),10> | <(1,2),100> |111.37072977248
120+
| <(1,3),5> | <(100,200),10> |205.4767561445
120121
| <(5,1),3> | <(100,200),10> | 207.51303816328
121-
| <(3,5),0> | <(100,200),10> | 207.793480159531
122-
| <(1,2),3> | <(100,200),10> | 208.370729772479
122+
| <(3,5),0> | <(100,200),10> |207.79348015953
123+
| <(1,2),3> | <(100,200),10> |208.37072977248
123124
(8 rows)
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‎src/test/regress/sql/circle.sql

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -2,8 +2,9 @@
22
-- CIRCLE
33
--
44

5-
-- avoid bit-exact output here because operations may not be bit-exact.
6-
SET extra_float_digits=0;
5+
-- Back off displayed precision a little bit to reduce platform-to-platform
6+
-- variation in results.
7+
SET extra_float_digits=-1;
78

89
CREATETABLECIRCLE_TBL (f1circle);
910

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