X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fcore%2Fhash.cpp;h=aed9ed19d2aa522c33b9e047c1d2bca7b89e87ec;hp=fe5e339c5aedc9ff0691ada988705fa0e6949898;hb=HEAD;hpb=062b200b08ec5998c4c02326e1e7b4e71fe4a5c6

diff --git a/source/core/hash.cpp b/source/core/hash.cpp
deleted file mode 100644
index fe5e339..0000000
--- a/source/core/hash.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-#include <stdexcept>
-#include "hash.h"
-
-using namespace std;
-
-namespace Msp {
-
-/*
-http://en.wikipedia.org/wiki/Fowler-Noll-Vo_hash_function
-http://www.isthe.com/chongo/tech/comp/fnv/index.html
-*/
-
-UInt32 hash32(const void *data, unsigned size, unsigned bits)
-{
-	if(bits==0 || bits>32)
-		throw invalid_argument("hash32");
-
-	static const unsigned prime = 16777619;
-	static const unsigned offset = 2166136261U;
-
-	unsigned result = offset;
-	for(unsigned i=0; i<size; ++i)
-		result = (result^*(reinterpret_cast<const unsigned char *>(data)+i))*prime;
-
-	if(bits<32)
-		result = (result>>bits ^ result) & ((1<<bits)-1);
-
-	return result;
-}
-
-UInt64 hash64(const void *data, unsigned size, unsigned bits)
-{
-	if(bits==0 || bits>64)
-		throw invalid_argument("hash64");
-
-	static const UInt64 prime = 1099511628211ULL;
-	static const UInt64 offset = 14695981039346656037ULL;
-
-	UInt64 result = offset;
-	for(unsigned i=0; i<size; ++i)
-		result = (result^*(reinterpret_cast<const unsigned char *>(data)+i))*prime;
-
-	if(bits<64)
-		result = (result>>bits ^ result) & ((1ULL<<bits)-1);
-
-	return result;
-}
-
-} // namespace Msp