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体验新版 GitCode,发现更多精彩内容 >>
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167618f7
编写于
11月 23, 2017
作者:
A
alexey-milovidov
提交者:
GitHub
11月 23, 2017
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差异文件
Merge pull request #1538 from samael500/stable
Add missing test for GCD/LCM functions.
上级
d21a2a05
a06ca9cb
变更
5
显示空白变更内容
内联
并排
Showing
5 changed file
with
100 addition
and
8 deletion
+100
-8
dbms/src/Functions/FunctionsArithmetic.h
dbms/src/Functions/FunctionsArithmetic.h
+8
-8
dbms/tests/queries/0_stateless/00515_gcd_lcm.reference
dbms/tests/queries/0_stateless/00515_gcd_lcm.reference
+34
-0
dbms/tests/queries/0_stateless/00515_gcd_lcm.sql
dbms/tests/queries/0_stateless/00515_gcd_lcm.sql
+38
-0
docs/en/functions/arithmetic_functions.rst
docs/en/functions/arithmetic_functions.rst
+10
-0
docs/ru/functions/arithmetic_functions.md
docs/ru/functions/arithmetic_functions.md
+10
-0
未找到文件。
dbms/src/Functions/FunctionsArithmetic.h
浏览文件 @
167618f7
...
@@ -439,11 +439,11 @@ struct GCDImpl
...
@@ -439,11 +439,11 @@ struct GCDImpl
template
<
typename
Result
=
ResultType
>
template
<
typename
Result
=
ResultType
>
static
inline
Result
apply
(
A
a
,
B
b
)
static
inline
Result
apply
(
A
a
,
B
b
)
{
{
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
B
>::
Type
(
b
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
B
>::
Type
(
b
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
));
return
boost
::
math
::
gcd
(
return
boost
::
math
::
gcd
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
Result
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
));
typename
NumberTraits
::
ToInteger
<
Result
>::
Type
(
b
));
}
}
};
};
...
@@ -455,11 +455,11 @@ struct LCMImpl
...
@@ -455,11 +455,11 @@ struct LCMImpl
template
<
typename
Result
=
ResultType
>
template
<
typename
Result
=
ResultType
>
static
inline
Result
apply
(
A
a
,
B
b
)
static
inline
Result
apply
(
A
a
,
B
b
)
{
{
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
B
>::
Type
(
b
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
));
throwIfDivisionLeadsToFPE
(
typename
NumberTraits
::
ToInteger
<
B
>::
Type
(
b
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
));
return
boost
::
math
::
lcm
(
return
boost
::
math
::
lcm
(
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
Result
>::
Type
(
a
),
typename
NumberTraits
::
ToInteger
<
A
>::
Type
(
b
));
typename
NumberTraits
::
ToInteger
<
Result
>::
Type
(
b
));
}
}
};
};
...
...
dbms/tests/queries/0_stateless/00515_gcd_lcm.reference
0 → 100644
浏览文件 @
167618f7
256
11
64
1
2
1
1
1
2147483647
1
5120
121
256
1
4
735
64770
4611686011984936962
4611686011984936962
2147483648
256
11
64
1
2
1
1
5120
121
256
1
4
735
64770
dbms/tests/queries/0_stateless/00515_gcd_lcm.sql
0 → 100644
浏览文件 @
167618f7
-- test gcd
select
gcd
(
1280
,
1024
);
select
gcd
(
11
,
121
);
select
gcd
(
-
256
,
64
);
select
gcd
(
1
,
1
);
select
gcd
(
4
,
2
);
select
gcd
(
15
,
49
);
select
gcd
(
255
,
254
);
select
gcd
(
2147483647
,
2147483646
);
select
gcd
(
4611686011984936962
,
2147483647
);
select
gcd
(
-
2147483648
,
1
);
-- test lcm
select
lcm
(
1280
,
1024
);
select
lcm
(
11
,
121
);
select
lcm
(
-
256
,
64
);
select
lcm
(
1
,
1
);
select
lcm
(
4
,
2
);
select
lcm
(
15
,
49
);
select
lcm
(
255
,
254
);
select
lcm
(
2147483647
,
2147483646
);
select
lcm
(
4611686011984936962
,
2147483647
);
select
lcm
(
-
2147483648
,
1
);
-- test gcd float will cast to int
select
gcd
(
1280
.
1
,
1024
.
1
);
select
gcd
(
11
.
1
,
121
.
1
);
select
gcd
(
-
256
.
1
,
64
.
1
);
select
gcd
(
1
.
1
,
1
.
1
);
select
gcd
(
4
.
1
,
2
.
1
);
select
gcd
(
15
.
1
,
49
.
1
);
select
gcd
(
255
.
1
,
254
.
1
);
-- test lcm float cast to int
select
lcm
(
1280
.
1
,
1024
.
1
);
select
lcm
(
11
.
1
,
121
.
1
);
select
lcm
(
-
256
.
1
,
64
.
1
);
select
lcm
(
1
.
1
,
1
.
1
);
select
lcm
(
4
.
1
,
2
.
1
);
select
lcm
(
15
.
1
,
49
.
1
);
select
lcm
(
255
.
1
,
254
.
1
);
docs/en/functions/arithmetic_functions.rst
浏览文件 @
167618f7
...
@@ -64,3 +64,13 @@ abs(a)
...
@@ -64,3 +64,13 @@ abs(a)
------
------
Calculates the absolute value of the number 'a'. That is, if a< 0, it returns -a.
Calculates the absolute value of the number 'a'. That is, if a< 0, it returns -a.
For unsigned types, it doesn't do anything. For signed integer types, it returns an unsigned number.
For unsigned types, it doesn't do anything. For signed integer types, it returns an unsigned number.
gcd(a, b)
---------
Calculates the greatest common divisor of the numbers.
When dividing by zero or when dividing a minimal negative number by minus one, an exception is thrown.
lcm(a, b)
---------
Calculates the least common multiple of the numbers.
When dividing by zero or when dividing a minimal negative number by minus one, an exception is thrown.
docs/ru/functions/arithmetic_functions.md
浏览文件 @
167618f7
...
@@ -73,3 +73,13 @@ abs(a)
...
@@ -73,3 +73,13 @@ abs(a)
Вычисляет абсолютное значение для числа a. То есть, если a
<
0, то возвращает -a.
Вычисляет абсолютное значение для числа a. То есть, если a
<
0, то возвращает -a.
Для беззнаковых типов ничего не делает. Для чисел типа целых со знаком, возвращает число беззнакового типа.
Для беззнаковых типов ничего не делает. Для чисел типа целых со знаком, возвращает число беззнакового типа.
gcd(a, b)
---------
Вычисляет наибольший общий делитель чисел.
При делении на ноль или при делении минимального отрицательного числа на минус единицу, кидается исключение.
lcm(a, b)
---------
Вычисляет наименьшее общее кратное чисел.
При делении на ноль или при делении минимального отрицательного числа на минус единицу, кидается исключение.
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