Hi I am trying to use the IO_PickleToString() method from the SCSCP package to test out how GAP serialises group objects. This does not appear to be working as expected on the isomorphic groups Sym(3) and D_6 (dihedral group).
gap> IO_PickleToString( SymmetricGroup( 3 ) ); "PRMGILIS\>2PERM\>7(1,2,3)PERM\>5(1,2)INTG\>16FAIL” This looks OK but for D_6 it fails: gap> IO_PickleToString( DihedralGroup( 6 ) ); Error, no method found! For debugging hints type ?Recovery from NoMethodFound Error, no 1st choice method found for `IO_Pickle' on 2 arguments called from IO_Pickle( s, obj ); called from <function "IO_PickleToString">( <arguments> ) called from read-eval loop at line 20 of *stdin* you can 'quit;' to quit to outer loop, or you can 'return;' to continue brk> Why is this? Both should return OpenMath strings. Sandeep
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