On 08/29/2013 09:35 AM, Jason Helfman wrote: >>> >> stdlib.h:#define RAND_MAX 0x7fffffff
Good. >> >> -jgh >> > > And on our current head release (10) it is this: > > #define RAND_MAX 0x7ffffffd Huh? Why is this not 2**n-1? That violates assumptions we have made, and is WHY your compile failed. It has nothing to do with clang vs. gcc (both compilers would fail), it has to do with your changed system header resulting in violating assumptions that hold in ALL OTHER IMPLEMENTATIONS, that random numbers are evenly distributed within a range of a power of 2. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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