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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 | |
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')
-rw-r--r-- | src/stable/hash.h | 15 | ||||
-rw-r--r-- | src/stable/randombase.cpp | 15 | ||||
-rw-r--r-- | src/stable/randombase.h | 13 |
3 files changed, 25 insertions, 18 deletions
diff --git a/src/stable/hash.h b/src/stable/hash.h index e461cf5..86f189e 100644 --- a/src/stable/hash.h +++ b/src/stable/hash.h | |||
@@ -1212,6 +1212,21 @@ namespace Bu | |||
1212 | return !(*this == rhs); | 1212 | return !(*this == rhs); |
1213 | } | 1213 | } |
1214 | 1214 | ||
1215 | MyType &operator+=( const MyType &rhs ) | ||
1216 | { | ||
1217 | if( this == &rhs ) | ||
1218 | return *this; | ||
1219 | if( core == rhs.core ) | ||
1220 | return *this; | ||
1221 | if( core == NULL || rhs.core == NULL ) | ||
1222 | return *this; | ||
1223 | |||
1224 | for( const_iterator i = rhs.begin(); i; i++ ) | ||
1225 | insert( i.getKey(), i.getValue() ); | ||
1226 | |||
1227 | return *this; | ||
1228 | } | ||
1229 | |||
1215 | protected: | 1230 | protected: |
1216 | virtual Core *_copyCore( Core *src ) | 1231 | virtual Core *_copyCore( Core *src ) |
1217 | { | 1232 | { |
diff --git a/src/stable/randombase.cpp b/src/stable/randombase.cpp index 71a5c89..6514df3 100644 --- a/src/stable/randombase.cpp +++ b/src/stable/randombase.cpp | |||
@@ -14,18 +14,3 @@ 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 | |||
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 | ||