version 1.4, 2000/08/22 05:03:59 |
version 1.9, 2006/11/08 07:34:33 |
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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/pdiv.c,v 1.3 2000/08/21 08:31:20 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/pdiv.c,v 1.8 2004/06/30 04:29:38 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
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void Psdiv(), Psrem(), Ptdiv(), Psqr(), Pinva_mod(); |
void Psdiv(), Psrem(), Ptdiv(), Psqr(), Pinva_mod(), Pprem(); |
void Psdiv_gf2n(), Psrem_gf2n(); |
void Psdiv_gf2n(), Psrem_gf2n(), Pgcd_gf2n(); |
void Psdivm(), Psremm(), Psqrm(); |
void Psdivm(), Psremm(), Psqrm(); |
void Psrem_mod(); |
void Psrem_mod(); |
void Pugcd(); |
void Pugcd(); |
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struct ftab pdiv_tab[] = { |
struct ftab pdiv_tab[] = { |
{"sdiv",Psdiv,-3}, |
{"sdiv",Psdiv,-3}, |
{"srem",Psrem,-3}, |
{"srem",Psrem,-3}, |
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{"prem",Pprem,-3}, |
{"sdiv_gf2n",Psdiv_gf2n,2}, |
{"sdiv_gf2n",Psdiv_gf2n,2}, |
{"srem_gf2n",Psrem_gf2n,2}, |
{"srem_gf2n",Psrem_gf2n,2}, |
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{"gcd_gf2n",Pgcd_gf2n,2}, |
{"sqr",Psqr,-3}, |
{"sqr",Psqr,-3}, |
{"tdiv",Ptdiv,2}, |
{"tdiv",Ptdiv,-3}, |
{"udiv",Pudiv,2}, |
{"udiv",Pudiv,2}, |
{"sdivm",Psdivm,-4}, |
{"sdivm",Psdivm,-4}, |
{"sremm",Psremm,-4}, |
{"sremm",Psremm,-4}, |
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divsrp(CO,dnd,dvr,&q,(P *)rp); |
divsrp(CO,dnd,dvr,&q,(P *)rp); |
} |
} |
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void Pprem(arg,rp) |
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NODE arg; |
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P *rp; |
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{ |
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P q,r,dnd,dnd1,dvr,dvr1; |
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V v; |
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VL vl; |
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asir_assert(ARG0(arg),O_P,"prem"); |
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asir_assert(ARG1(arg),O_P,"prem"); |
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dnd = (P)ARG0(arg); dvr = (P)ARG1(arg); |
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if ( !dvr ) error("prem : division by 0"); |
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if ( !dnd ) { |
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*rp = 0; return; |
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} |
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if ( argc(arg) == 3 ) { |
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v = VR((P)ARG2(arg)); |
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change_mvar(CO,dnd,v,&dnd1); change_mvar(CO,dvr,v,&dvr1); |
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reordvar(CO,v,&vl); |
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premp(vl,dnd1,dvr1,&r); |
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restore_mvar(CO,r,v,rp); |
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} else |
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premp(CO,dnd,dvr,rp); |
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} |
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void Psqr(arg,rp) |
void Psqr(arg,rp) |
NODE arg; |
NODE arg; |
LIST *rp; |
LIST *rp; |
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} |
} |
} |
} |
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void Pgcd_gf2n(arg,rp) |
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NODE arg; |
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GF2N *rp; |
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{ |
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GF2N p1,p2; |
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UP2 gcd; |
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p1 = (GF2N)ARG0(arg); p2 = (GF2N)ARG1(arg); |
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if ( !p1 ) |
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*rp = p2; |
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else if ( !p2 ) |
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*rp = p1; |
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else { |
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gcdup2(p1->body,p2->body,&gcd); |
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MKGF2N(gcd,*rp); |
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} |
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} |
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void Ptdiv(arg,rp) |
void Ptdiv(arg,rp) |
NODE arg; |
NODE arg; |
P *rp; |
P *rp; |
{ |
{ |
P p1,p2,q1,q2,q,c1,c2,c; |
P p1,p2,q1,q2,q,c1,c2,c; |
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int m; |
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p1 = (P)ARG0(arg); p2 = (P)ARG1(arg); |
p1 = (P)ARG0(arg); p2 = (P)ARG1(arg); |
asir_assert(p1,O_P,"tdiv"); |
asir_assert(p1,O_P,"tdiv"); |
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*rp = 0; |
*rp = 0; |
else if ( (OID(p1) > O_P) || (OID(p2) > O_P ) ) |
else if ( (OID(p1) > O_P) || (OID(p2) > O_P ) ) |
*rp = 0; |
*rp = 0; |
else { |
else if ( argc(arg) == 3 ) { |
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m = QTOS((Q)ARG2(arg)); |
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ptomp(m,p1,&q1); ptomp(m,p2,&q2); |
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if ( divtmp(CO,m,q1,q2,&q) ) |
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mptop(q,rp); |
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else |
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*rp = 0; |
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} else if ( qpcheck((Obj)p1) && qpcheck((Obj)p2) ) { |
ptozp(p1,1,(Q *)&c1,&q1); ptozp(p2,1,(Q *)&c2,&q2); |
ptozp(p1,1,(Q *)&c1,&q1); ptozp(p2,1,(Q *)&c2,&q2); |
if ( divtpz(CO,q1,q2,&q) ) { |
if ( divtpz(CO,q1,q2,&q) ) { |
divq((Q)c1,(Q)c2,(Q *)&c); mulp(CO,q,c,rp); |
divq((Q)c1,(Q)c2,(Q *)&c); mulp(CO,q,c,rp); |
} else |
} else |
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*rp = 0; |
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} else { |
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if ( !divtp(CO,p1,p2,rp) ) |
*rp = 0; |
*rp = 0; |
} |
} |
} |
} |