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| author | Mike Buland <eichlan@xagasoft.com> | 2012-05-23 00:39:31 +0000 | 
|---|---|---|
| committer | Mike Buland <eichlan@xagasoft.com> | 2012-05-23 00:39:31 +0000 | 
| commit | 20ee81a7b2d44ec985e99b4ee1bcd08fa25175d3 (patch) | |
| tree | ec6174abd3a21f8d803d26267f9c03ddc468746e /src/stable/randombase.cpp | |
| parent | ce793e31f387c0715fa5b50c20e06510cc3e95ff (diff) | |
| download | libbu++-20ee81a7b2d44ec985e99b4ee1bcd08fa25175d3.tar.gz libbu++-20ee81a7b2d44ec985e99b4ee1bcd08fa25175d3.tar.bz2 libbu++-20ee81a7b2d44ec985e99b4ee1bcd08fa25175d3.tar.xz libbu++-20ee81a7b2d44ec985e99b4ee1bcd08fa25175d3.zip  | |
We have a nice selection of basic randomness functions now.
Diffstat (limited to 'src/stable/randombase.cpp')
| -rw-r--r-- | src/stable/randombase.cpp | 15 | 
1 files changed, 15 insertions, 0 deletions
diff --git a/src/stable/randombase.cpp b/src/stable/randombase.cpp index 6514df3..71a5c89 100644 --- a/src/stable/randombase.cpp +++ b/src/stable/randombase.cpp  | |||
| @@ -14,3 +14,18 @@ Bu::RandomBase::~RandomBase() | |||
| 14 | { | 14 | { | 
| 15 | } | 15 | } | 
| 16 | 16 | ||
| 17 | int32_t Bu::RandomBase::rand( int32_t iMax ) | ||
| 18 | { | ||
| 19 | return rand( 0, iMax ); | ||
| 20 | } | ||
| 21 | |||
| 22 | int32_t Bu::RandomBase::rand( int32_t iMin, int32_t iMax ) | ||
| 23 | { | ||
| 24 | return iMin+(randNorm()*(iMax-iMin)); | ||
| 25 | } | ||
| 26 | |||
| 27 | double Bu::RandomBase::randNorm() | ||
| 28 | { | ||
| 29 | return (((uint32_t)rand())&0xfffffffeul)/(double)(0xfffffffful); | ||
| 30 | } | ||
| 31 | |||
