A matrix of type PAdicRational is defined and saved in a file. However,
attempting to read it back leads to an error:
PR ==> PAdicRational(13)
SQ ==> SQMATRIX(4, PR)
A : SQ := [[2, 3, 5, 0], [7, 11, 12, 4], [3, 8, 6, 10], [12, 9, 8, 5]]
typeOf A
SquareMatrix(4,PAdicRational(13))
f : File SQ := open("PaMat4x4.out", "output")
write!(f,A)
close!(f)
$ cat PaMat4x4.out
#2A(((0 2 #1="NullStream") (0 3 #1#) (0 5 #1#) (0 #1#))
((0 7 #1#) (0 11 #1#) (0 12 #1#) (0 4 #1#))
((0 3 #1#) (0 8 #1#) (0 6 #1#) (0 10 #1#))
((0 12 #1#) (0 9 #1#) (0 8 #1#) (0 5 #1#)))
$ cp PaMat4x4.out PaMat4x4.input
fn := filename("", "PaMat4x4", "input")$FileName
f := open(fn, "input")$File(SQ)
B : SQ := read!(f)
>> System error:
The value "NullStream" is not of type INTEGER.
Removing the string "NullStream" doesn't seem to help....it leads to
other types of errors.
Thanks,
SWA
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