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 * in the documentation and/or other materials provided with the
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#ifndef PURITAN_RAND_H
#define PURITAN_RAND_H

// Use a strong RNG if available.
// TODO: Investigate using openssl on all platforms.
#ifdef _WIN32
#include <windows.h>
#include <wincrypt.h>
#else
typedef void* HCRYPTPROV;
#endif


namespace Salem 
{
namespace Puritan
{

class Rand 
{
public:
    unsigned y;
    unsigned rnd_uint(void) ;
    Rand(unsigned seed);
    double rnd_flt(void);
    int range(int lo, int hi);
    unsigned urange(unsigned lo, unsigned hi);
    size_t srange(size_t lo, size_t hi);
    const char *from_list (const char **);

private:
    bool InitializeProvider();

    HCRYPTPROV crypt_provider_;
    static const size_t kCacheSize = 0x1000;
    unsigned int cached_numbers_[kCacheSize];
    long available_;
};
}
}
#endif