int64.h

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#ifndef CPPTL_INT64_H_INCLUDED
# define CPPTL_INT64_H_INCLUDED

# include "forwards.h"

namespace CppTL
{

// (a+b) c = ac + bc
// (a+b) (c+d) = a(c+d) + b(c+d) = ac + ad + bc + bd


/*
 x1 = a1 + b1 * 2^32
 x2 = a2 + b2 * 2^32
 x1 + x2 = a1 + a2 + (b1+b2) * 2^32  # carry a1+a2 => b1+b2
 x1 * x2 = a1 * (a2 + b2 * 2^32) + b1 * 2^32 * (a2 + a2 + b2 * 2^32)
 */
// See http://www.mozilla.org/projects/nspr/reference/html/Prtyp.html#integer-types-64
// #include <prtypes.h>
// macros are defined in prlong.h to manipulate 64 bits types.
//

// Aside: http://www.flexbeta.net/forums/lofiversion/index.php/t5534.html
// has a decent review of what changed on x64.

class Int64
{
};


} // namespace CppTL



#endif // CPPTL_INT64_H_INCLUDED