| 67 |
|
#include <time.h> |
| 68 |
|
#include <math.h> |
| 69 |
|
#include <vector> |
| 70 |
< |
namespace oopse { |
| 70 |
> |
namespace OpenMD { |
| 71 |
|
|
| 72 |
|
class MTRand { |
| 73 |
|
// Data |
| 135 |
|
uint32 loBits( const uint32& u ) const { return u & 0x7fffffffUL; } |
| 136 |
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uint32 mixBits( const uint32& u, const uint32& v ) const |
| 137 |
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{ return hiBit(u) | loBits(v); } |
| 138 |
+ |
#ifdef _MSC_VER |
| 139 |
+ |
#pragma warning( push ) // save current warning settings |
| 140 |
+ |
#pragma warning( disable : 4146 ) // warning C4146: unary minus operator applied to unsigned type, result still unsigned |
| 141 |
+ |
#endif |
| 142 |
|
uint32 twist( const uint32& m, const uint32& s0, const uint32& s1 ) const |
| 143 |
|
{ return m ^ (mixBits(s0,s1)>>1) ^ (-loBit(s1) & 0x9908b0dfUL); } |
| 144 |
+ |
#ifdef _MSC_VER |
| 145 |
+ |
#pragma warning( pop ) // return warning settings to what they were |
| 146 |
+ |
#endif |
| 147 |
+ |
|
| 148 |
|
static uint32 hash( time_t t, clock_t c ); |
| 149 |
|
}; |
| 150 |
|
|
| 206 |
|
* number in the stride sequence. |
| 207 |
|
*/ |
| 208 |
|
inline MTRand::uint32 MTRand::randInt() { |
| 209 |
< |
|
| 209 |
> |
|
| 210 |
|
std::vector<uint32> ranNums(nstrides_); |
| 211 |
|
|
| 212 |
|
for (int i = 0; i < nstrides_; ++i) { |
| 329 |
|
register int i = N; |
| 330 |
|
register bool success = true; |
| 331 |
|
while( success && i-- ) |
| 332 |
< |
success = fread( s++, sizeof(uint32), 1, urandom ); |
| 332 |
> |
success = (fread( s++, sizeof(uint32), 1, urandom ) == 0); |
| 333 |
|
fclose(urandom); |
| 334 |
|
if( success ) { return bigSeed; } |
| 335 |
|
} |
