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Commit 7952bdbb authored by Andreas Klöckner's avatar Andreas Klöckner
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Integer RNG: Actually use more than 24 bits of randomness

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pyopencl/clrandom.py
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− 3
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......@@ -222,7 +222,7 @@ class RanluxGenerator(object):
c_type = "int"
rng_expr = ("(shift "
"+ convert_int4((float) scale * gen) "
"+ convert_int4((float) (scale / (1<<24)) * gen))")
"+ convert_int4(((float) scale / (1<<24)) * gen))")
elif dtype == np.int64:
assert distribution == "uniform"
......@@ -230,8 +230,8 @@ class RanluxGenerator(object):
c_type = "long"
rng_expr = ("(shift "
"+ convert_long4((float) scale * gen) "
"+ convert_long4((float) (scale / (1<<24)) * gen)"
"+ convert_long4((float) (scale / (1<<48)) * gen)"
"+ convert_long4(((float) scale / (1<<24)) * gen)"
"+ convert_long4(((float) scale / (1<<48)) * gen)"
")")
else:
......
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