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32-bit compatibility (I think?)

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This commit is contained in:
Steven Robertson
2011-10-13 16:56:20 -04:00
parent 14872ee6ed
commit b168a2431e
2 changed files with 4 additions and 5 deletions
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7
cuburn/code/mwc.py
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@ -60,10 +60,9 @@ __device__ float mwc_next_11(mwc_st &st) {
rand.shuffle(mults)
seeds[0][:] = mults[:nthreads]
# Intentionally excludes both 0 and (2^32-1), as they can lead to
# degenerate sequences of period 0
seeds[1] = rand.randint(1, 0xffffffff, size=nthreads)
seeds[2] = rand.randint(1, 0xffffffff, size=nthreads)
# Excludes 0xffffffff for 32-bit compatibility with laziness
seeds[1] = rand.randint(1, 0x7fffffff, size=nthreads)
seeds[2] = rand.randint(1, 0x7fffffff, size=nthreads)
return seeds