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Fixed bug #22129: A small double precision number becomes zero

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Better checks for underflow/overflow
This commit is contained in:
kaa@polly.local
2006-09-22 19:23:58 +04:00
parent 66fa757e1f
commit 1530b51d8f
3 changed files with 61 additions and 26 deletions
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7
mysql-test/r/type_float.result
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@@ -272,3 +272,10 @@ desc t3;
Field Type Null Key Default Extra
a double 0
drop table t1,t2,t3;
select 1e-308, 1.00000001e-300, 100000000e-300;
1e-308 1.00000001e-300 100000000e-300
0 1.00000001e-300 1e-292
select 10e307;
10e307
1e+308
End of 4.1 tests