Various string hash

[Cpp]
Unsigned int SDBMHash (char * str ){
Unsigned int hash = 0;
While (* str ){
// Equivalent:
Hash = 65599 * hash + (* str ++ );
Hash = (* str ++) + (hash <6) + (hash <16)-hash;
}
Return (hash & 0x7FFFFFFF );
}
// RS Hash Function
Unsigned int RSHash (char * str ){
Unsigned int B = 378551;
Unsigned int a = 63689;
Unsigned int hash = 0;
While (* str ){
Hash = hash * a + (* str ++); a * = B;
}
Return (hash & 0x7FFFFFFF );
}
// JS Hash Function
Unsigned int JSHash (char * str ){
Unsigned int hash = 1315423911;
While (* str ){
Hash ^ = (hash <5) + (* str ++) + (hash> 2 ));
}
Return (hash & 0x7FFFFFFF );
}
// P. J. Weinberger Hash Function
Unsigned int PJWHash (char * str ){
Unsigned int BitsInUnignedInt = (unsigned int) (sizeof (unsigned int) * 8 );
Unsigned int ThreeQuarters = (unsigned int) (BitsInUnignedInt * 3)/4 );
Unsigned int OneEighth = (unsigned int) (BitsInUnignedInt/8 );
Unsigned int HighBits = (unsigned int) (0 xFFFFFFFF) <(BitsInUnignedInt-OneEighth );
Unsigned int hash = 0;
Unsigned int test = 0;
While (* str ){
Hash = (hash <OneEighth) + (* str ++ );
If (test = hash & HighBits )! = 0 {
Hash = (hash ^ (test> ThreeQuarters ))&(~ HighBits ));
}
}
Return (hash & 0x7FFFFFFF );
}
// ELF Hash Function
Unsigned int ELFHash (char * str ){
Unsigned int hash = 0;
Unsigned int x = 0;
While (* str ){
Hash = (hash <4) + (* str ++ );
If (x = hash & 0xF0000000L )! = 0 ){
Hash ^ = (x> 24 );
Hash & = ~ X;
}
}
Return (hash & 0x7FFFFFFF );
}
// BKDR Hash Function
Unsigned int BKDRHash (char * str ){
Unsigned int seed = 131;
// 31 131 1313 13131 131313 etc ..
Unsigned int hash = 0;
While (* str ){
Hash = hash * seed + (* str ++ );
}
Return (hash & 0x7FFFFFFF );
}
// DJB Hash Function
Unsigned int DJBHash (char * str ){
Unsigned int hash = 5381;
While (* str ){
Hash ++ (hash <5) + (* str ++ );
}
Return (hash & 0x7FFFFFFF );
}
// AP Hash Function
Unsigned int APHash (char * str ){
Unsigned int hash = 0;
Int I;
For (I = 0; * str; I ++ ){
If (I & 1) = 0 ){
Hash ^ = (hash <7) ^ (* str ++) ^ (hash> 3 ));
}
Else {
Hash ^ = (~ (Hash <11) ^ (* str ++) ^ (hash> 5 )));
}
}
Return (hash & 0x7FFFFFFF );
}

Unsigned int SDBMHash (char * str ){
Unsigned int hash = 0;
While (* str ){
// Equivalent:
Hash = 65599 * hash + (* str ++ );
Hash = (* str ++) + (hash <6) + (hash <16)-hash;
}
Return (hash & 0x7FFFFFFF );
}
// RS Hash Function
Unsigned int RSHash (char * str ){
Unsigned int B = 378551;
Unsigned int a = 63689;
Unsigned int hash = 0;
While (* str ){
Hash = hash * a + (* str ++); a * = B;
}
Return (hash & 0x7FFFFFFF );
}
// JS Hash Function
Unsigned int JSHash (char * str ){
Unsigned int hash = 1315423911;
While (* str ){
Hash ^ = (hash <5) + (* str ++) + (hash> 2 ));
}
Return (hash & 0x7FFFFFFF );
}
// P. J. Weinberger Hash Function
Unsigned int PJWHash (char * str ){
Unsigned int BitsInUnignedInt = (unsigned int) (sizeof (unsigned int) * 8 );
Unsigned int ThreeQuarters = (unsigned int) (BitsInUnignedInt * 3)/4 );
Unsigned int OneEighth = (unsigned int) (BitsInUnignedInt/8 );
Unsigned int HighBits = (unsigned int) (0 xFFFFFFFF) <(BitsInUnignedInt-OneEighth );
Unsigned int hash = 0;
Unsigned int test = 0;
While (* str ){
Hash = (hash <OneEighth) + (* str ++ );
If (test = hash & HighBits )! = 0 {
Hash = (hash ^ (test> ThreeQuarters ))&(~ HighBits ));
}
}
Return (hash & 0x7FFFFFFF );
}
// ELF Hash Function
Unsigned int ELFHash (char * str ){
Unsigned int hash = 0;
Unsigned int x = 0;
While (* str ){
Hash = (hash <4) + (* str ++ );
If (x = hash & 0xF0000000L )! = 0 ){
Hash ^ = (x> 24 );
Hash & = ~ X;
}
}
Return (hash & 0x7FFFFFFF );
}
// BKDR Hash Function
Unsigned int BKDRHash (char * str ){
Unsigned int seed = 131;
// 31 131 1313 13131 131313 etc ..
Unsigned int hash = 0;
While (* str ){
Hash = hash * seed + (* str ++ );
}
Return (hash & 0x7FFFFFFF );
}
// DJB Hash Function
Unsigned int DJBHash (char * str ){
Unsigned int hash = 5381;
While (* str ){
Hash ++ (hash <5) + (* str ++ );
}
Return (hash & 0x7FFFFFFF );
}
// AP Hash Function
Unsigned int APHash (char * str ){
Unsigned int hash = 0;
Int I;
For (I = 0; * str; I ++ ){
If (I & 1) = 0 ){
Hash ^ = (hash <7) ^ (* str ++) ^ (hash> 3 ));
}
Else {
Hash ^ = (~ (Hash <11) ^ (* str ++) ^ (hash> 5 )));
}
}
Return (hash & 0x7FFFFFFF );
}