version 1.5, 2000/08/22 05:03:59 |
version 1.15, 2001/09/03 07:01:05 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/poly.c,v 1.4 2000/08/21 08:31:21 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/poly.c,v 1.14 2001/09/03 01:04:25 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
Line 63 void Pp_mag(),Pmaxblen(); |
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Line 63 void Pp_mag(),Pmaxblen(); |
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void Pmergelist(), Pch_mv(), Pre_mv(), Pdeglist(); |
void Pmergelist(), Pch_mv(), Pre_mv(), Pdeglist(); |
void Pptomp(),Pmptop(); |
void Pptomp(),Pmptop(); |
void Pptolmp(),Plmptop(); |
void Pptolmp(),Plmptop(); |
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void Pptosfp(),Psfptop(),Psf_galois_action(),Psf_embed(),Psf_find_root(); |
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void Psf_minipoly(),Psf_log(); |
void Pptogf2n(),Pgf2ntop(),Pgf2ntovect(); |
void Pptogf2n(),Pgf2ntop(),Pgf2ntovect(); |
void Pptogfpn(),Pgfpntop(); |
void Pptogfpn(),Pgfpntop(); |
void Pfind_root_gf2n(); |
void Pfind_root_gf2n(); |
Line 99 void Pis_irred_gf2(); |
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Line 101 void Pis_irred_gf2(); |
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void Pis_irred_ddd_gf2(); |
void Pis_irred_ddd_gf2(); |
void Pget_next_fft_prime(); |
void Pget_next_fft_prime(); |
void Puadj_coef(); |
void Puadj_coef(); |
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void Preorder(); |
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void Phomogeneous_part(); |
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void Phomogeneous_deg(); |
void simp_ff(Obj,Obj *); |
void simp_ff(Obj,Obj *); |
void ranp(int,UP *); |
void ranp(int,UP *); |
void field_order_ff(N *); |
void field_order_ff(N *); |
Line 110 extern int lm_lazy; |
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Line 115 extern int lm_lazy; |
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int current_ff; |
int current_ff; |
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struct ftab poly_tab[] = { |
struct ftab poly_tab[] = { |
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{"homogeneous_deg",Phomogeneous_deg,-2}, |
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{"homogeneous_part",Phomogeneous_part,-3}, |
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{"reorder",Preorder,3}, |
{"uadj_coef",Puadj_coef,3}, |
{"uadj_coef",Puadj_coef,3}, |
{"ranp",Pranp,2}, |
{"ranp",Pranp,2}, |
{"p_mag",Pp_mag,1}, |
{"p_mag",Pp_mag,1}, |
Line 124 struct ftab poly_tab[] = { |
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Line 132 struct ftab poly_tab[] = { |
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{"sparsemod_gf2n",Psparsemod_gf2n,-1}, |
{"sparsemod_gf2n",Psparsemod_gf2n,-1}, |
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{"setmod_ff",Psetmod_ff,-2}, |
{"setmod_ff",Psetmod_ff,-3}, |
{"simp_ff",Psimp_ff,1}, |
{"simp_ff",Psimp_ff,1}, |
{"extdeg_ff",Pextdeg_ff,0}, |
{"extdeg_ff",Pextdeg_ff,0}, |
{"characteristic_ff",Pcharacteristic_ff,0}, |
{"characteristic_ff",Pcharacteristic_ff,0}, |
Line 143 struct ftab poly_tab[] = { |
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Line 151 struct ftab poly_tab[] = { |
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{"ptolmp",Pptolmp,1}, |
{"ptolmp",Pptolmp,1}, |
{"lmptop",Plmptop,1}, |
{"lmptop",Plmptop,1}, |
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{"sf_galois_action",Psf_galois_action,2}, |
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{"sf_find_root",Psf_find_root,1}, |
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{"sf_minipoly",Psf_minipoly,2}, |
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{"sf_embed",Psf_embed,3}, |
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{"sf_log",Psf_log,1}, |
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{"ptosfp",Pptosfp,1}, |
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{"sfptop",Psfptop,1}, |
{"ptogf2n",Pptogf2n,1}, |
{"ptogf2n",Pptogf2n,1}, |
{"gf2ntop",Pgf2ntop,-2}, |
{"gf2ntop",Pgf2ntop,-2}, |
{"gf2ntovect",Pgf2ntovect,1}, |
{"gf2ntovect",Pgf2ntovect,1}, |
Line 212 struct ftab poly_tab[] = { |
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Line 228 struct ftab poly_tab[] = { |
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extern V up_var; |
extern V up_var; |
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void Phomogeneous_part(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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if ( argc(arg) == 2 ) |
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exthp(CO,(P)ARG0(arg),QTOS((Q)ARG1(arg)),rp); |
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else |
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exthpc_generic(CO,(P)ARG0(arg),QTOS((Q)ARG2(arg)), |
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VR((P)ARG1(arg)),rp); |
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} |
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void Phomogeneous_deg(arg,rp) |
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NODE arg; |
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Q *rp; |
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{ |
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int d; |
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if ( argc(arg) == 1 ) |
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d = homdeg((P)ARG0(arg)); |
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else |
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d = getchomdeg(VR((P)ARG1(arg)),(P)ARG0(arg)); |
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STOQ(d,*rp); |
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} |
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/* |
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p1 = reorder(p,ovl,nvl) => p1 is 'sorted accoding to nvl. |
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*/ |
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void Preorder(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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VL ovl,nvl,tvl; |
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NODE n; |
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for ( ovl = 0, n = BDY((LIST)ARG1(arg)); n; n = NEXT(n) ) { |
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if ( !ovl ) { |
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NEWVL(ovl); tvl = ovl; |
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} else { |
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NEWVL(NEXT(tvl)); tvl = NEXT(tvl); |
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} |
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VR(tvl) = VR((P)BDY(n)); |
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} |
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for ( nvl = 0, n = BDY((LIST)ARG2(arg)); n; n = NEXT(n) ) { |
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if ( !nvl ) { |
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NEWVL(nvl); tvl = nvl; |
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} else { |
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NEWVL(NEXT(tvl)); tvl = NEXT(tvl); |
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} |
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VR(tvl) = VR((P)BDY(n)); |
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} |
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reorderp(nvl,ovl,(P)ARG0(arg),rp); |
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} |
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/* |
/* |
uadj_coef(F,M,M2) |
uadj_coef(F,M,M2) |
if ( F is a non-negative integer ) |
if ( F is a non-negative integer ) |
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STOQ(ret,*rp); |
STOQ(ret,*rp); |
} |
} |
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extern P current_gfs_ext; |
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extern int current_gfs_p; |
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extern int current_gfs_q; |
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extern int current_gfs_q1; |
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extern int *current_gfs_plus1; |
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extern int *current_gfs_ntoi; |
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extern int *current_gfs_iton; |
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void Psetmod_ff(arg,rp) |
void Psetmod_ff(arg,rp) |
NODE arg; |
NODE arg; |
Obj *rp; |
Obj *rp; |
{ |
{ |
int ac; |
int ac; |
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int d; |
Obj mod,defpoly; |
Obj mod,defpoly; |
N n; |
N n; |
UP up; |
UP up; |
UP2 up2; |
UP2 up2; |
Q q; |
UM dp; |
P p; |
Q q,r; |
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P p,p1,y; |
NODE n0,n1; |
NODE n0,n1; |
LIST list; |
LIST list; |
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switch ( OID(mod) ) { |
switch ( OID(mod) ) { |
case O_N: |
case O_N: |
current_ff = FF_GFP; |
current_ff = FF_GFP; |
setmod_lm(NM((Q)mod)); break; |
setmod_lm(NM((Q)mod)); |
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break; |
case O_P: |
case O_P: |
current_ff = FF_GF2N; |
current_ff = FF_GF2N; |
setmod_gf2n((P)mod); break; |
setmod_gf2n((P)mod); break; |
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error("setmod_ff : invalid argument"); |
error("setmod_ff : invalid argument"); |
} |
} |
} else if ( ac == 2 ) { |
} else if ( ac == 2 ) { |
current_ff = FF_GFPN; |
if ( OID(ARG0(arg)) == O_N ) { |
defpoly = (Obj)ARG0(arg); |
/* small finite field; primitive root representation */ |
mod = (Obj)ARG1(arg); |
current_ff = FF_GFS; |
if ( !mod || !defpoly ) |
setmod_sf(QTOS((Q)ARG0(arg)),QTOS((Q)ARG1(arg))); |
error("setmod_ff : invalid argument"); |
} else { |
setmod_lm(NM((Q)mod)); |
mod = (Obj)ARG1(arg); |
setmod_gfpn((P)defpoly); |
current_ff = FF_GFPN; |
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defpoly = (Obj)ARG0(arg); |
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if ( !mod || !defpoly ) |
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error("setmod_ff : invalid argument"); |
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setmod_lm(NM((Q)mod)); |
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setmod_gfpn((P)defpoly); |
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} |
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} else if ( ac == 3 ) { |
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/* finite extension of a small finite field */ |
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current_ff = FF_GFS; |
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setmod_sf(QTOS((Q)ARG0(arg)),QTOS((Q)ARG1(arg))); |
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d = QTOS((Q)ARG2(arg)); |
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generate_defpoly_sfum(d,&dp); |
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setmod_gfsn(dp); |
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current_ff = FF_GFSN; |
} |
} |
switch ( current_ff ) { |
switch ( current_ff ) { |
case FF_GFP: |
case FF_GFP: |
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MKNODE(n1,q,0); MKNODE(n0,p,n1); |
MKNODE(n1,q,0); MKNODE(n0,p,n1); |
MKLIST(list,n0); |
MKLIST(list,n0); |
*rp = (Obj)list; break; |
*rp = (Obj)list; break; |
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case FF_GFS: |
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case FF_GFSN: |
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STOQ(current_gfs_p,q); |
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if ( current_gfs_ext ) |
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enc_to_p(current_gfs_p,current_gfs_iton[1], |
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VR(current_gfs_ext),&p); |
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else { |
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if ( current_gfs_p == 2 ) |
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r = ONE; |
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else |
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STOQ(current_gfs_iton[1],r); |
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p = (P)r; |
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} |
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switch ( current_ff ) { |
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case FF_GFS: |
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n0 = mknode(3,q,current_gfs_ext,p); |
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break; |
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case FF_GFSN: |
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getmod_gfsn(&dp); |
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makevar("y",&y); |
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sfumtop(VR(y),dp,&p1); |
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n0 = mknode(4,q,current_gfs_ext,p,p1); |
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break; |
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} |
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MKLIST(list,n0); |
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*rp = (Obj)list; break; |
default: |
default: |
*rp = 0; break; |
*rp = 0; break; |
} |
} |
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int d; |
int d; |
UP2 up2; |
UP2 up2; |
UP up; |
UP up; |
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UM dp; |
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switch ( current_ff ) { |
switch ( current_ff ) { |
case FF_GFP: |
case FF_GFP: |
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getmod_gf2n(&up2); d = degup2(up2); STOQ(d,*rp); break; |
getmod_gf2n(&up2); d = degup2(up2); STOQ(d,*rp); break; |
case FF_GFPN: |
case FF_GFPN: |
getmod_gfpn(&up); STOQ(up->d,*rp); break; |
getmod_gfpn(&up); STOQ(up->d,*rp); break; |
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case FF_GFS: |
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if ( !current_gfs_ext ) |
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*rp = ONE; |
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else |
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*rp = DEG(DC(current_gfs_ext)); |
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break; |
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case FF_GFSN: |
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getmod_gfsn(&dp); |
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STOQ(DEG(dp),*rp); |
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break; |
default: |
default: |
error("extdeg_ff : current_ff is not set"); |
error("extdeg_ff : current_ff is not set"); |
} |
} |
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getmod_lm(&lm); NTOQ(lm,1,*rp); break; |
getmod_lm(&lm); NTOQ(lm,1,*rp); break; |
case FF_GF2N: |
case FF_GF2N: |
STOQ(2,*rp); break; |
STOQ(2,*rp); break; |
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case FF_GFS: |
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case FF_GFSN: |
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STOQ(current_gfs_p,*rp); break; |
default: |
default: |
error("characteristic_ff : current_ff is not set"); |
error("characteristic_ff : current_ff is not set"); |
} |
} |
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{ |
{ |
UP2 up2; |
UP2 up2; |
UP up; |
UP up; |
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UM dp; |
N m; |
N m; |
int d,w; |
int d,w; |
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break; |
break; |
case FF_GFPN: |
case FF_GFPN: |
getmod_lm(&m); |
getmod_lm(&m); |
getmod_gfpn(&up); pwrn(m,up->d,order); break; |
getmod_gfpn(&up); pwrn(m,up->d,order); |
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break; |
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case FF_GFS: |
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STON(current_gfs_q,*order); break; |
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case FF_GFSN: |
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STON(current_gfs_q,m); |
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getmod_gfsn(&dp); pwrn(m,DEG(dp),order); |
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break; |
default: |
default: |
error("field_order_ff : current_ff is not set"); |
error("field_order_ff : current_ff is not set"); |
} |
} |
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LM l; |
LM l; |
GF2N g; |
GF2N g; |
GFPN p; |
GFPN p; |
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GFS s; |
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GFSN spn; |
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switch ( current_ff ) { |
switch ( current_ff ) { |
case FF_GFP: |
case FF_GFP: |
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randomgf2n(&g); *rp = (Obj)g; break; |
randomgf2n(&g); *rp = (Obj)g; break; |
case FF_GFPN: |
case FF_GFPN: |
randomgfpn(&p); *rp = (Obj)p; break; |
randomgfpn(&p); *rp = (Obj)p; break; |
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case FF_GFS: |
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randomgfs(&s); *rp = (Obj)s; break; |
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case FF_GFSN: |
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randomgfsn(&spn); *rp = (Obj)spn; break; |
default: |
default: |
error("random_ff : current_ff is not set"); |
error("random_ff : current_ff is not set"); |
} |
} |
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DCP dc,dcr0,dcr; |
DCP dc,dcr0,dcr; |
GF2N rg,sg; |
GF2N rg,sg; |
GFPN rpn,spn; |
GFPN rpn,spn; |
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GFS rs; |
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GFSN rspn,sspn; |
P t; |
P t; |
Obj obj; |
Obj obj; |
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case FF_GFPN: |
case FF_GFPN: |
ntogfpn((Obj)p,&rpn); simpgfpn((GFPN)rpn,&spn); *rp = (Obj)spn; |
ntogfpn((Obj)p,&rpn); simpgfpn((GFPN)rpn,&spn); *rp = (Obj)spn; |
break; |
break; |
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case FF_GFS: |
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if ( NID((Num)p) == N_GFS ) |
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*rp = p; |
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else { |
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ptomp(current_gfs_p,(P)p,&t); mqtogfs(t,&rs); |
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*rp = (Obj)rs; |
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} |
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break; |
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case FF_GFSN: |
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ntogfsn((Obj)p,&rspn); simpgfsn((GFSN)rspn,&sspn); |
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*rp = (Obj)sspn; |
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break; |
default: |
default: |
*rp = (Obj)p; |
*rp = (Obj)p; |
break; |
break; |
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lmptop((P)ARG0(arg),rp); |
lmptop((P)ARG0(arg),rp); |
} |
} |
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void Psf_galois_action(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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sf_galois_action(ARG0(arg),ARG1(arg),rp); |
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} |
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/* |
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sf_embed(F,B,PM) |
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F : an element of GF(pn) |
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B : the image of the primitive root of GF(pn) |
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PM : order of GF(pm) |
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*/ |
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void Psf_embed(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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int k,pm; |
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/* GF(pn)={0,1,a,a^2,...}->GF(pm)={0,1,b,b^2,...}; a->b^k */ |
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k = CONT((GFS)ARG1(arg)); |
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pm = QTOS((Q)ARG2(arg)); |
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sf_embed((P)ARG0(arg),k,pm,rp); |
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} |
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void Psf_log(arg,rp) |
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NODE arg; |
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Q *rp; |
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{ |
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int k; |
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if ( !ARG0(arg) ) |
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error("sf_log : invalid armument"); |
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k = CONT((GFS)ARG0(arg)); |
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STOQ(k,*rp); |
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} |
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void Psf_find_root(arg,rp) |
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NODE arg; |
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GFS *rp; |
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{ |
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P p; |
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Obj t; |
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int d; |
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UM u; |
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int *root; |
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p = (P)ARG0(arg); |
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simp_ff((Obj)p,&t); p = (P)t; |
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d = getdeg(VR(p),p); |
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u = W_UMALLOC(d); |
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ptosfum(p,u); |
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root = (int *)ALLOCA(d*sizeof(int)); |
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find_rootsf(u,root); |
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MKGFS(IFTOF(root[0]),*rp); |
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} |
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void Psf_minipoly(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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Obj t; |
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P p1,p2; |
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int d1,d2; |
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UM up1,up2,m; |
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p1 = (P)ARG0(arg); simp_ff((Obj)p1,&t); p1 = (P)t; |
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p2 = (P)ARG1(arg); simp_ff((Obj)p2,&t); p2 = (P)t; |
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d1 = getdeg(VR(p1),p1); up1 = W_UMALLOC(d1); ptosfum(p1,up1); |
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d2 = getdeg(VR(p2),p2); up2 = W_UMALLOC(d2); ptosfum(p2,up2); |
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m = W_UMALLOC(d2); |
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minipolysf(up1,up2,m); |
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sfumtop(VR(p2),m,&p1); |
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sfptop(p1,rp); |
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} |
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void Pptosfp(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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ptosfp(ARG0(arg),rp); |
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} |
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void Psfptop(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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sfptop((P)ARG0(arg),rp); |
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} |
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void Pptogf2n(arg,rp) |
void Pptogf2n(arg,rp) |
NODE arg; |
NODE arg; |
GF2N *rp; |
GF2N *rp; |
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case FF_GF2N: |
case FF_GF2N: |
powermodup_gf2n(p1,&p2); break; |
powermodup_gf2n(p1,&p2); break; |
case FF_GFPN: |
case FF_GFPN: |
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case FF_GFS: |
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case FF_GFSN: |
powermodup(p1,&p2); break; |
powermodup(p1,&p2); break; |
default: |
default: |
error("pwrmod_ff : current_ff is not set"); |
error("pwrmod_ff : current_ff is not set"); |
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case FF_GF2N: |
case FF_GF2N: |
generic_powermodup_gf2n(g,f,(Q)ARG2(arg),&r); break; |
generic_powermodup_gf2n(g,f,(Q)ARG2(arg),&r); break; |
case FF_GFPN: |
case FF_GFPN: |
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case FF_GFS: |
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case FF_GFSN: |
generic_powermodup(g,f,(Q)ARG2(arg),&r); break; |
generic_powermodup(g,f,(Q)ARG2(arg),&r); break; |
default: |
default: |
error("generic_pwrmod_ff : current_ff is not set"); |
error("generic_pwrmod_ff : current_ff is not set"); |
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case FF_GF2N: |
case FF_GF2N: |
powertabup_gf2n(f,xp,tab); break; |
powertabup_gf2n(f,xp,tab); break; |
case FF_GFPN: |
case FF_GFPN: |
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case FF_GFS: |
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case FF_GFSN: |
powertabup(f,xp,tab); break; |
powertabup(f,xp,tab); break; |
default: |
default: |
error("pwrtab_ff : current_ff is not set"); |
error("pwrtab_ff : current_ff is not set"); |