// 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.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UINT256_H
#define BITCOIN_UINT256_H
-#include "serialize.h"
-
#include <limits.h>
+#include <stdio.h>
+#include <string.h>
#include <string>
#include <vector>
-#if defined(_MSC_VER) || defined(__BORLANDC__)
-typedef __int64 int64;
-typedef unsigned __int64 uint64;
-#else
typedef long long int64;
typedef unsigned long long uint64;
-#endif
-#if defined(_MSC_VER) && _MSC_VER < 1300
-#define for if (false) ; else for
-#endif
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
{
return ret;
}
+ double getdouble() const
+ {
+ double ret = 0.0;
+ double fact = 1.0;
+ for (int i = 0; i < WIDTH; i++) {
+ ret += fact * pn[i];
+ fact *= 4294967296.0;
+ }
+ return ret;
+ }
base_uint& operator=(uint64 b)
{
std::string GetHex() const
{
char psz[sizeof(pn)*2 + 1];
- for (int i = 0; i < sizeof(pn); i++)
+ for (unsigned int i = 0; i < sizeof(pn); i++)
sprintf(psz + i*2, "%02x", ((unsigned char*)pn)[sizeof(pn) - i - 1]);
return std::string(psz, psz + sizeof(pn)*2);
}
psz += 2;
// hex string to uint
- static char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
+ static const unsigned char phexdigit[256] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0xa,0xb,0xc,0xd,0xe,0xf,0,0,0,0,0,0,0,0,0 };
const char* pbegin = psz;
while (phexdigit[(unsigned char)*psz] || *psz == '0')
psz++;
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=VERSION) const
+ unsigned int GetSerializeSize(int nType, int nVersion) const
{
return sizeof(pn);
}
template<typename Stream>
- void Serialize(Stream& s, int nType=0, int nVersion=VERSION) const
+ void Serialize(Stream& s, int nType, int nVersion) const
{
s.write((char*)pn, sizeof(pn));
}
template<typename Stream>
- void Unserialize(Stream& s, int nType=0, int nVersion=VERSION)
+ void Unserialize(Stream& s, int nType, int nVersion)
{
s.read((char*)pn, sizeof(pn));
}
-
friend class uint160;
friend class uint256;
friend inline int Testuint256AdHoc(std::vector<std::string> vArg);
typedef base_uint<160> base_uint160;
typedef base_uint<256> base_uint256;
-
-
//
// uint160 and uint256 could be implemented as templates, but to keep
// compile errors and debugging cleaner, they're copy and pasted.
// uint160
//
+/** 160-bit unsigned integer */
class uint160 : public base_uint160
{
public:
// uint256
//
+/** 256-bit unsigned integer */
class uint256 : public base_uint256
{
public:
-
+#ifdef TEST_UINT256
inline int Testuint256AdHoc(std::vector<std::string> vArg)
{
}
#endif
+
+#endif