Dirk Laurie on Fri, 22 Dec 2017 13:28:20 +0100


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Re: t_QUAD printed representation 

2017-12-22 13:18 GMT+02:00 Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>:
> On Thu, Dec 21, 2017 at 11:56:13AM -0500, Sam Steingold wrote:
>> Hi,
>>
>> --8<---------------cut here---------------start------------->8---
>> ? quadunit(5)
>> %3 = w
>> ? type(%3)
>> %4 = "t_QUAD"
>> ? type(w)
>> %5 = "t_POL"
>> ?
>> --8<---------------cut here---------------end--------------->8---
>>
>> how do I print the t_QUAD objects so that they can be read back?
>
> Print a+b*w as a+b*quadgen(D)
> with D=quaddisc(w).

? quadunit(5)
%1 = w
? D=quaddisc(%1)
  ***   at top-level: D=quaddisc(%1)
  ***                   ^------------
  *** quaddisc: incorrect type in quaddisc (t_QUAD).
  ***   Break loop: type 'break' to go back to GP prompt
break>

? D=quaddisc(w)
  ***   at top-level: D=quaddisc(w)
  ***                   ^-----------
  *** quaddisc: incorrect type in quaddisc (t_POL).
  ***   Break loop: type 'break' to go back to GP prompt
break>