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author | Mike Buland <eichlan@xagasoft.com> | 2012-05-22 17:15:40 +0000 |
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committer | Mike Buland <eichlan@xagasoft.com> | 2012-05-22 17:15:40 +0000 |
commit | ce793e31f387c0715fa5b50c20e06510cc3e95ff (patch) | |
tree | 5b15972bdcbe7a26933e8158f52b29fb014dc421 /src/stable/randombasic.cpp | |
parent | 2295579eb790d6eff6e54e84c01da6de10809a71 (diff) | |
download | libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.gz libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.bz2 libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.tar.xz libbu++-ce793e31f387c0715fa5b50c20e06510cc3e95ff.zip |
Moved random to stable, just needs some minor tweaks. But it's already in use
in a couple of core components, including in tempFile name generation.
Diffstat (limited to 'src/stable/randombasic.cpp')
-rw-r--r-- | src/stable/randombasic.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/stable/randombasic.cpp b/src/stable/randombasic.cpp new file mode 100644 index 0000000..ac591be --- /dev/null +++ b/src/stable/randombasic.cpp | |||
@@ -0,0 +1,31 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007-2012 Xagasoft, All rights reserved. | ||
3 | * | ||
4 | * This file is part of the libbu++ library and is released under the | ||
5 | * terms of the license contained in the file LICENSE. | ||
6 | */ | ||
7 | |||
8 | #include "bu/randombasic.h" | ||
9 | |||
10 | Bu::RandomBasic::RandomBasic() : | ||
11 | a( 6364136223846793005 ), | ||
12 | c( 1442695040888963407 ), | ||
13 | x( 0 ) | ||
14 | { | ||
15 | } | ||
16 | |||
17 | Bu::RandomBasic::~RandomBasic() | ||
18 | { | ||
19 | } | ||
20 | |||
21 | void Bu::RandomBasic::seed( int32_t iSeed ) | ||
22 | { | ||
23 | c = iSeed; | ||
24 | } | ||
25 | |||
26 | int32_t Bu::RandomBasic::rand() | ||
27 | { | ||
28 | x = (a*x + c); | ||
29 | return (int32_t)x; | ||
30 | } | ||
31 | |||