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author | Mike Buland <eichlan@xagasoft.com> | 2012-08-18 23:43:21 +0000 |
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committer | Mike Buland <eichlan@xagasoft.com> | 2012-08-18 23:43:21 +0000 |
commit | f5ac2c1ba333ce6aa6d385d9a63b658caaa46503 (patch) | |
tree | cd78edf4663967a99c483fd0a7f0506328cab008 /src/stable/randombase.h | |
parent | 80aa35bbeca7d034c788be9942725dae9d3f46c4 (diff) | |
download | libbu++-f5ac2c1ba333ce6aa6d385d9a63b658caaa46503.tar.gz libbu++-f5ac2c1ba333ce6aa6d385d9a63b658caaa46503.tar.bz2 libbu++-f5ac2c1ba333ce6aa6d385d9a63b658caaa46503.tar.xz libbu++-f5ac2c1ba333ce6aa6d385d9a63b658caaa46503.zip |
Added hashtable += support, optomized the random number base some?
Diffstat (limited to 'src/stable/randombase.h')
-rw-r--r-- | src/stable/randombase.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/stable/randombase.h b/src/stable/randombase.h index a5a4f42..d33bb99 100644 --- a/src/stable/randombase.h +++ b/src/stable/randombase.h | |||
@@ -19,9 +19,16 @@ namespace Bu | |||
19 | 19 | ||
20 | virtual void seed( int32_t iSeed )=0; | 20 | virtual void seed( int32_t iSeed )=0; |
21 | virtual int32_t rand()=0; | 21 | virtual int32_t rand()=0; |
22 | virtual int32_t rand( int32_t iMax ); | 22 | virtual inline int32_t rand( int32_t iMax ) { |
23 | virtual int32_t rand( int32_t iMin, int32_t iMax ); | 23 | return rand( 0, iMax ); |
24 | virtual double randNorm(); | 24 | } |
25 | virtual inline int32_t rand( int32_t iMin, int32_t iMax ) { | ||
26 | return iMin+(randNorm()*(iMax-iMin)); | ||
27 | } | ||
28 | virtual inline double randNorm() { | ||
29 | return (((uint32_t)rand())&0xfffffffeul)*0x1.00000001p-32; | ||
30 | // return (((uint32_t)rand())&0xfffffffeul)/(double)(0xfffffffful); | ||
31 | } | ||
25 | }; | 32 | }; |
26 | }; | 33 | }; |
27 | 34 | ||