include/g2hec_nsfieldtype.h

   1 /*++
   2 Module Name:
   3     g2hec_nsfieldtype.h
   4
   5 Summary:
   6     field_t and poly_t settings
   7
   8 Note:
   9     Needs to be included by the main module g2hec_Genus2_ops.h.
  10     Currently only ZZ_p and ZZ_pX are supported field types.
  11 --*/
  12
  13 #ifndef NSFIELDTYPE_H
  14 #define NSFIELDTYPE_H
  15
  16 /**************************************************************/
  17 /*  To support ZZ_pE, must change the following to
  18 #define _FLD_TYPE ZZ_pE.  Default is ZZ_p.
  19
  20 I know, this is by no means convenient.  But the way in which NTL uses
  21 different fields makes it hard to switch between different types easily.
  22 */
  23  #define _FLD_TYPE ZZ_p
  24 /**************************************************************/
  25
  26   /* SET_POLY_TYPE(T) sets the type of the polynomials
  27   it needs to be invoked by the client before the polynomials
  28   are defined.
  29   Example: SET_POLY_TYPE(ZZ_pX)
  30   */
  31
  32 #define SET_POLY_TYPE(T) \
  33 typedef NTL_NNS _FLD_TYPE field_t; \
  34 typedef NTL_NNS T poly_t; \
  35 typedef const poly_t poly_tc
  36
  37 #if _FLD_TYPE == ZZ_p
  38
  39   #include <NTL/ZZ_pXFactoring.h>
  40
  41   SET_POLY_TYPE(ZZ_pX);
  42
  43 #elif _FLD_TYPE == ZZ_pE
  44   #include <NTL/ZZ_pEXFactoring.h>
  45
  46   SET_POLY_TYPE(ZZ_pEX);
  47
  48 #elif _FLD_TYPE == GF2
  49
  50   #error "Field type GF2 not currently supported"
  51
  52 #elif _FLD_TYPE == GF2E
  53
  54 /*
  55   #include <NTL/GF2EXFactoring.h>
  56
  57   SET_POLY_TYPE(GF2EX);
  58 */
  59   #error "Field type GF2E not currently supported"
  60
  61 #else
  62   #error "Unsupported field type"
  63
  64 #endif
  65
  66
  67 #endif /* NSFIELDTYPE_H */