Function upper_bits

src/isaac64.c:45–48

Extract next ISAAC64_SZ_LOG bits (starting at bit ISAAC64_SZ_LOG+2). */

/* Extract next ISAAC64_SZ_LOG bits (starting at bit ISAAC64_SZ_LOG+2). */
static inline uint32_t upper_bits(uint64_t y)
{
    return (y >> (ISAAC64_SZ_LOG+3)) & (ISAAC64_SZ-1);
}

staticfn void isaac64_update(isaac64_ctx *_ctx){
  uint64_t *m;