// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UINT256_H
#define BITCOIN_UINT256_H
-#include <stdint.h>
-
#include "serialize.h"
#include <limits.h>
#include <string>
#include <vector>
+typedef long long int64;
+typedef unsigned long long uint64;
+
inline int Testuint256AdHoc(std::vector<std::string> vArg);
-// We have to keep a separate base class without constructors
-// so the compiler will let us use it in a union
+/** Base class without constructors for uint256 and uint160.
+ * This makes the compiler let u use it in a union.
+ */
template<unsigned int BITS>
class base_uint
{
}
- base_uint& operator=(uint64_t b)
+ base_uint& operator=(uint64 b)
{
pn[0] = (unsigned int)b;
pn[1] = (unsigned int)(b >> 32);
return *this;
}
- base_uint& operator^=(uint64_t b)
+ base_uint& operator^=(uint64 b)
{
pn[0] ^= (unsigned int)b;
pn[1] ^= (unsigned int)(b >> 32);
return *this;
}
- base_uint& operator&=(uint64_t b)
- {
- pn[0] &= (unsigned int)b;
- pn[1] &= (unsigned int)(b >> 32);
- return *this;
- }
-
- base_uint& operator|=(uint64_t b)
+ base_uint& operator|=(uint64 b)
{
pn[0] |= (unsigned int)b;
pn[1] |= (unsigned int)(b >> 32);
base_uint& operator+=(const base_uint& b)
{
- uint64_t carry = 0;
+ uint64 carry = 0;
for (int i = 0; i < WIDTH; i++)
{
- uint64_t n = carry + pn[i] + b.pn[i];
+ uint64 n = carry + pn[i] + b.pn[i];
pn[i] = n & 0xffffffff;
carry = n >> 32;
}
return *this;
}
- base_uint& operator+=(uint64_t b64)
+ base_uint& operator+=(uint64 b64)
{
base_uint b;
b = b64;
return *this;
}
- base_uint& operator-=(uint64_t b64)
+ base_uint& operator-=(uint64 b64)
{
base_uint b;
b = b64;
return true;
}
- friend inline bool operator==(const base_uint& a, uint64_t b)
+ friend inline bool operator==(const base_uint& a, uint64 b)
{
if (a.pn[0] != (unsigned int)b)
return false;
return (!(a == b));
}
- friend inline bool operator!=(const base_uint& a, uint64_t b)
+ friend inline bool operator!=(const base_uint& a, uint64 b)
{
return (!(a == b));
}
return sizeof(pn);
}
+ uint64 Get64(int n=0) const
+ {
+ return pn[2*n] | (uint64)pn[2*n+1] << 32;
+ }
unsigned int GetSerializeSize(int nType=0, int nVersion=PROTOCOL_VERSION) const
{
// uint160
//
+/** 160-bit unsigned integer */
class uint160 : public base_uint160
{
public:
return *this;
}
- uint160(uint64_t b)
+ uint160(uint64 b)
{
pn[0] = (unsigned int)b;
pn[1] = (unsigned int)(b >> 32);
pn[i] = 0;
}
- uint160& operator=(uint64_t b)
+ uint160& operator=(uint64 b)
{
pn[0] = (unsigned int)b;
pn[1] = (unsigned int)(b >> 32);
}
};
-inline bool operator==(const uint160& a, uint64_t b) { return (base_uint160)a == b; }
-inline bool operator!=(const uint160& a, uint64_t b) { return (base_uint160)a != b; }
+inline bool operator==(const uint160& a, uint64 b) { return (base_uint160)a == b; }
+inline bool operator!=(const uint160& a, uint64 b) { return (base_uint160)a != b; }
inline const uint160 operator<<(const base_uint160& a, unsigned int shift) { return uint160(a) <<= shift; }
inline const uint160 operator>>(const base_uint160& a, unsigned int shift) { return uint160(a) >>= shift; }
inline const uint160 operator<<(const uint160& a, unsigned int shift) { return uint160(a) <<= shift; }
// uint256
//
+/** 256-bit unsigned integer */
class uint256 : public base_uint256
{
public:
return *this;
}
- uint256(uint64_t b)
+ uint256(uint64 b)
{
pn[0] = (unsigned int)b;
pn[1] = (unsigned int)(b >> 32);
pn[i] = 0;
}
- uint256& operator=(uint64_t b)
+ uint256& operator=(uint64 b)
{
pn[0] = (unsigned int)b;
pn[1] = (unsigned int)(b >> 32);
}
};
-inline bool operator==(const uint256& a, uint64_t b) { return (base_uint256)a == b; }
-inline bool operator!=(const uint256& a, uint64_t b) { return (base_uint256)a != b; }
+inline bool operator==(const uint256& a, uint64 b) { return (base_uint256)a == b; }
+inline bool operator!=(const uint256& a, uint64 b) { return (base_uint256)a != b; }
inline const uint256 operator<<(const base_uint256& a, unsigned int shift) { return uint256(a) <<= shift; }
inline const uint256 operator>>(const base_uint256& a, unsigned int shift) { return uint256(a) >>= shift; }
inline const uint256 operator<<(const uint256& a, unsigned int shift) { return uint256(a) <<= shift; }
-
+#ifdef TEST_UINT256
inline int Testuint256AdHoc(std::vector<std::string> vArg)
{
}
#endif
+
+#endif