/usr/share/doc/pari-gp2c/BUGS is in pari-gp2c 0.0.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | Probably not countable.
--- bittest(x:small,y:small) is wrong if y>31
--- x:small%y:small cannot use % in C because -2%3 would be wrong
--- || and && are not always fully short-circuiting if second argument is a block.
Things that are poorly implemented:
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--- Array (vector, matrix) may be disconnected in the stack.
--- vector() and matrix() do not garbage collect.
--- Garbage collecting should always be done after a loop.
--- Code generated for "a=if(b,c,d)" constructs is ugly.
--- user-defined member functions should be inlined
--- local() variables are treated identically to my() variables. Thus the scope of local()
variable after function call are not the same in GP and in C.
Things that are not implemented:
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--- a[b,]+=c
--- issquare(4,&a[b,])
Discrepancy between gp2c and gp:
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--- =\n= is allowed by gp, but not by gp2c. Don't cry.
--- Spaces in middle of term like (a b==ab) are not allowed. Be sensible.
--- gp2c does not allow functions named local() to be called.
--- "error" output PARI errors, not user errors.
--- gp2c is generally more lenient than gp about syntax.
--- Do not catch misuse of GP 'global()' vars.
--- Use of small may lead to overflow problems.
--- return() can return 0 instead of nothing.
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