Re: Writing t_INT, T_FRAC to a file using the PARI library

[Karim Belabas <Karim.Belabas@math.u-bordeaux1.fr>]

* Iftikhar Burhanuddin [2007-12-05 01:35]:
> How does one write data of type t_INT, t_FRAC to a file using the PARI
> library?
> 
> (Using write0/write1 functions results in the numerator and denominator of
> a t_FRAC to be written one after the other, making it impossible
> to determine the numerator and denominator.)

In libpari, the second argument of the functions write* and print* is a
vector of GENs [ to be printed / written ]. Use

  write1(file, mkvec(x))


Another possibility (more flexible):

void
pari_fprintf(FILE *f, GEN x)
{
  char *s = GEN2str(x)
  fprintf(F, "%s", s); free(s);
}

    K.B.
--
Karim Belabas                  Tel: (+33) (0)5 40 00 26 17
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