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7e7411e6
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体验新版 GitCode,发现更多精彩内容 >>
提交
7e7411e6
编写于
9月 27, 2012
作者:
T
Tim Chevalier
浏览文件
操作
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电子邮件补丁
差异文件
Demode rand
上级
52ad2750
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
14 addition
and
10 deletion
+14
-10
src/libcore/rand.rs
src/libcore/rand.rs
+12
-8
src/test/bench/core-map.rs
src/test/bench/core-map.rs
+2
-2
未找到文件。
src/libcore/rand.rs
浏览文件 @
7e7411e6
//! Random number generation
// NB: transitional, de-mode-ing.
#[warn(deprecated_mode)]
;
#[forbid(deprecated_pattern)]
;
#[allow(non_camel_case_types)]
// runtime type
enum
rctx
{}
...
...
@@ -120,7 +124,7 @@ fn gen_char() -> char {
/**
* Return a char randomly chosen from chars, failing if chars is empty
*/
fn
gen_char_from
(
chars
:
~
str
)
->
char
{
fn
gen_char_from
(
chars
:
&
str
)
->
char
{
assert
!
chars
.is_empty
();
self
.choose
(
str
::
chars
(
chars
))
}
...
...
@@ -272,8 +276,8 @@ pub fn Rng() -> Rng {
* all other generators constructed with the same seed. The seed may be any
* length.
*/
pub
fn
seeded_rng
(
seed
:
~
[
u8
])
->
Rng
{
@
RandRes
(
rustrt
::
rand_new_seeded
(
seed
))
as
Rng
pub
fn
seeded_rng
(
seed
:
&
~
[
u8
])
->
Rng
{
@
RandRes
(
rustrt
::
rand_new_seeded
(
*
seed
))
as
Rng
}
type
XorShiftState
=
{
...
...
@@ -310,8 +314,8 @@ pub mod tests {
#[test]
pub
fn
rng_seeded
()
{
let
seed
=
rand
::
seed
();
let
ra
=
rand
::
seeded_rng
(
seed
);
let
rb
=
rand
::
seeded_rng
(
seed
);
let
ra
=
rand
::
seeded_rng
(
&
seed
);
let
rb
=
rand
::
seeded_rng
(
&
seed
);
assert
ra
.gen_str
(
100u
)
==
rb
.gen_str
(
100u
);
}
...
...
@@ -319,15 +323,15 @@ pub fn rng_seeded() {
pub
fn
rng_seeded_custom_seed
()
{
// much shorter than generated seeds which are 1024 bytes
let
seed
=
~
[
2u8
,
32u8
,
4u8
,
32u8
,
51u8
];
let
ra
=
rand
::
seeded_rng
(
seed
);
let
rb
=
rand
::
seeded_rng
(
seed
);
let
ra
=
rand
::
seeded_rng
(
&
seed
);
let
rb
=
rand
::
seeded_rng
(
&
seed
);
assert
ra
.gen_str
(
100u
)
==
rb
.gen_str
(
100u
);
}
#[test]
pub
fn
rng_seeded_custom_seed2
()
{
let
seed
=
~
[
2u8
,
32u8
,
4u8
,
32u8
,
51u8
];
let
ra
=
rand
::
seeded_rng
(
seed
);
let
ra
=
rand
::
seeded_rng
(
&
seed
);
// Regression test that isaac is actually using the above vector
let
r
=
ra
.next
();
error!
(
"%?"
,
r
);
...
...
src/test/bench/core-map.rs
浏览文件 @
7e7411e6
...
...
@@ -154,7 +154,7 @@ fn main(++args: ~[~str]) {
let
seed
=
~
[
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
,
10
];
{
let
rng
=
rand
::
seeded_rng
(
copy
seed
);
let
rng
=
rand
::
seeded_rng
(
&
seed
);
let
mut
results
=
empty_results
();
int_benchmarks
::
<
map
::
HashMap
<
uint
,
uint
>>
(
map
::
HashMap
,
rng
,
num_keys
,
&
mut
results
);
...
...
@@ -164,7 +164,7 @@ fn main(++args: ~[~str]) {
}
{
let
rng
=
rand
::
seeded_rng
(
copy
seed
);
let
rng
=
rand
::
seeded_rng
(
&
seed
);
let
mut
results
=
empty_results
();
int_benchmarks
::
<@
Mut
<
LinearMap
<
uint
,
uint
>>>
(
||
@
Mut
(
LinearMap
()),
...
...
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