With the current implementation, you will get the right result with the
following:
bitget([b b], uint64(1:64))(1,:)
* use a non scalar x (pad it with anything if scalar)
* use a non scalar pos (idem)
* use a pos with the same int64 or uint64 type than x
Samuel
Le 27/02/2020 à 16:17, JLan a écrit :
I wonder if i have misunderstood the documentation for bitget, or if this is
a bug? It seems to me that numbers > 2^53 are still not handled correctly.
--> a=uint64(2^61)
a = 2305843009213693952
--> b=uint64(2^61)+1
b = 2305843009213693953
--> bitget(a,1:64)
ans =
column 1 to 32
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
column 33 to 64
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0
--> bitget(b,1:64)
ans =
column 1 to 32
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0
column 33 to 64
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 1 0 0
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