Data Structures | Functions
rmodulon.h File Reference
#include <misc/auxiliary.h>
#include <coeffs/coeffs.h>
#include <coeffs/rintegers.h>

Go to the source code of this file.

Data Structures

struct  ZnmInfo
 

Functions

BOOLEAN nrnInitChar (coeffs r, void *)
 
number nrnMapGMP (number from, const coeffs, const coeffs dst)
 
nMapFunc nrnSetMap (const coeffs src, const coeffs dst)
 

Data Structure Documentation

◆ ZnmInfo

struct ZnmInfo

Definition at line 19 of file rmodulon.h.

Data Fields
mpz_ptr base
unsigned long exp

Function Documentation

◆ nrnInitChar()

BOOLEAN nrnInitChar ( coeffs  r,
void *   
)

Definition at line 902 of file rmodulon.cc.

903 {
904  assume( (getCoeffType(r) == n_Zn) || (getCoeffType (r) == n_Znm) );
905  ZnmInfo * info= (ZnmInfo *) p;
906  r->modBase= (mpz_ptr)nrnCopy((number)info->base, r); //this circumvents the problem
907  //in bigintmat.cc where we cannot create a "legal" nrn that can be freed.
908  //If we take a copy, we can do whatever we want.
909 
910  nrnInitExp (info->exp, r);
911 
912  /* next computation may yield wrong characteristic as r->modNumber
913  is a GMP number */
914  r->ch = mpz_get_ui(r->modNumber);
915 
916  r->is_field=FALSE;
917  r->is_domain=FALSE;
918  r->rep=n_rep_gmp;
919 
920 
921  r->cfCoeffString = nrnCoeffString;
922 
923  r->cfInit = nrnInit;
924  r->cfDelete = nrnDelete;
925  r->cfCopy = nrnCopy;
926  r->cfSize = nrnSize;
927  r->cfInt = nrnInt;
928  r->cfAdd = nrnAdd;
929  r->cfSub = nrnSub;
930  r->cfMult = nrnMult;
931  r->cfDiv = nrnDiv;
932  r->cfAnn = nrnAnn;
933  r->cfIntMod = nrnMod;
934  r->cfExactDiv = nrnDiv;
935  r->cfInpNeg = nrnNeg;
936  r->cfInvers = nrnInvers;
937  r->cfDivBy = nrnDivBy;
938  r->cfDivComp = nrnDivComp;
939  r->cfGreater = nrnGreater;
940  r->cfEqual = nrnEqual;
941  r->cfIsZero = nrnIsZero;
942  r->cfIsOne = nrnIsOne;
943  r->cfIsMOne = nrnIsMOne;
944  r->cfGreaterZero = nrnGreaterZero;
945  r->cfWriteLong = nrnWrite;
946  r->cfRead = nrnRead;
947  r->cfPower = nrnPower;
948  r->cfSetMap = nrnSetMap;
949  //r->cfNormalize = ndNormalize;
950  r->cfLcm = nrnLcm;
951  r->cfGcd = nrnGcd;
952  r->cfIsUnit = nrnIsUnit;
953  r->cfGetUnit = nrnGetUnit;
954  r->cfExtGcd = nrnExtGcd;
955  r->cfXExtGcd = nrnXExtGcd;
956  r->cfQuotRem = nrnQuotRem;
957  r->cfCoeffName = nrnCoeffName;
958  r->cfCoeffWrite = nrnCoeffWrite;
959  r->nCoeffIsEqual = nrnCoeffsEqual;
960  r->cfKillChar = nrnKillChar;
961  r->cfQuot1 = nrnQuot1;
962 #ifdef LDEBUG
963  r->cfDBTest = nrnDBTest;
964 #endif
965  return FALSE;
966 }
static number nrnAdd(number a, number b, const coeffs r)
Definition: rmodulon.cc:198
static BOOLEAN nrnDivBy(number a, number b, const coeffs r)
Definition: rmodulon.cc:507
only used if HAVE_RINGS is defined
Definition: coeffs.h:44
static number nrnGetUnit(number k, const coeffs r)
Definition: rmodulon.cc:326
static number nrnInvers(number c, const coeffs r)
Definition: rmodulon.cc:232
static void nrnInitExp(unsigned long m, coeffs r)
Definition: rmodulon.cc:841
#define FALSE
Definition: auxiliary.h:94
return P p
Definition: myNF.cc:203
static void nrnPower(number a, int i, number *result, const coeffs r)
Definition: rmodulon.cc:190
static number nrnMod(number a, number b, const coeffs r)
Definition: rmodulon.cc:562
static BOOLEAN nrnEqual(number a, number b, const coeffs)
Definition: rmodulon.cc:321
static number nrnGcd(number a, number b, const coeffs r)
Definition: rmodulon.cc:244
static BOOLEAN nrnIsOne(number a, const coeffs)
Definition: rmodulon.cc:313
static number nrnXExtGcd(number a, number b, number *s, number *t, number *u, number *v, const coeffs r)
Definition: rmodulon.cc:372
static BOOLEAN nrnIsZero(number a, const coeffs)
Definition: rmodulon.cc:216
static BOOLEAN nrnGreaterZero(number k, const coeffs)
Definition: rmodulon.cc:481
static const char * nrnRead(const char *s, number *a, const coeffs r)
Definition: rmodulon.cc:890
static BOOLEAN nrnCoeffsEqual(const coeffs r, n_coeffType n, void *parameter)
Definition: rmodulon.cc:67
static number nrnQuotRem(number a, number b, number *rem, const coeffs r)
Definition: rmodulon.cc:618
static number nrnSub(number a, number b, const coeffs r)
Definition: rmodulon.cc:207
static number nrnAnn(number k, const coeffs r)
Definition: rmodulon.cc:494
static BOOLEAN nrnIsUnit(number a, const coeffs r)
Definition: rmodulon.cc:486
const ring r
Definition: syzextra.cc:208
static char * nrnCoeffString(const coeffs r)
Definition: rmodulon.cc:73
only used if HAVE_RINGS is defined
Definition: coeffs.h:45
#define assume(x)
Definition: mod2.h:394
const ExtensionInfo & info
< [in] sqrfree poly
static number nrnLcm(number a, number b, const coeffs r)
Definition: rmodulon.cc:264
BOOLEAN nrnDBTest(number a, const char *f, const int l, const coeffs r)
Definition: rmodulon.cc:852
static number nrnDiv(number a, number b, const coeffs r)
Definition: rmodulon.cc:529
static long nrnInt(number &n, const coeffs)
Definition: rmodulon.cc:173
static void nrnDelete(number *a, const coeffs)
Definition: rmodulon.cc:156
(mpz_ptr), see rmodulon,h
Definition: coeffs.h:115
static number nrnExtGcd(number a, number b, number *s, number *t, const coeffs r)
Definition: rmodulon.cc:297
static FORCE_INLINE n_coeffType getCoeffType(const coeffs r)
Returns the type of coeffs domain.
Definition: coeffs.h:425
static BOOLEAN nrnGreater(number a, number b, const coeffs)
Definition: rmodulon.cc:476
static BOOLEAN nrnIsMOne(number a, const coeffs r)
Definition: rmodulon.cc:463
static void nrnKillChar(coeffs r)
Definition: rmodulon.cc:85
static coeffs nrnQuot1(number c, const coeffs r)
Definition: rmodulon.cc:93
static char * nrnCoeffName(const coeffs r)
Definition: rmodulon.cc:51
static number nrnCopy(number a, const coeffs)
Definition: rmodulon.cc:138
nMapFunc nrnSetMap(const coeffs src, const coeffs dst)
Definition: rmodulon.cc:744
static number nrnInit(long i, const coeffs r)
Definition: rmodulon.cc:148
#define nrnWrite
Definition: rmodulon.cc:28
static void nrnCoeffWrite(const coeffs r, BOOLEAN)
Definition: rmodulon.cc:38
static number nrnNeg(number c, const coeffs r)
Definition: rmodulon.cc:224
static number nrnMult(number a, number b, const coeffs r)
Definition: rmodulon.cc:181
static int nrnDivComp(number a, number b, const coeffs r)
Definition: rmodulon.cc:521
static int nrnSize(number a, const coeffs)
Definition: rmodulon.cc:164

◆ nrnMapGMP()

number nrnMapGMP ( number  from,
const coeffs  ,
const coeffs  dst 
)

Definition at line 680 of file rmodulon.cc.

681 {
682  mpz_ptr erg = (mpz_ptr)omAllocBin(gmp_nrz_bin);
683  mpz_init(erg);
684  mpz_mod(erg, (mpz_ptr)from, dst->modNumber);
685  return (number)erg;
686 }
#define omAllocBin(bin)
Definition: omAllocDecl.h:205
omBin gmp_nrz_bin
Definition: rintegers.cc:31

◆ nrnSetMap()

nMapFunc nrnSetMap ( const coeffs  src,
const coeffs  dst 
)

Definition at line 744 of file rmodulon.cc.

745 {
746  /* dst = nrn */
747  if ((src->rep==n_rep_gmp) && nCoeff_is_Ring_Z(src))
748  {
749  return nrnMapZ;
750  }
751  if ((src->rep==n_rep_gap_gmp) /*&& nCoeff_is_Ring_Z(src)*/)
752  {
753  return nrnMapZ;
754  }
755  if (src->rep==n_rep_gap_rat) /*&& nCoeff_is_Q(src)) or Z*/
756  {
757  return nrnMapQ;
758  }
759  // Some type of Z/n ring / field
760  if (nCoeff_is_Ring_ModN(src) || nCoeff_is_Ring_PtoM(src) ||
761  nCoeff_is_Ring_2toM(src) || nCoeff_is_Zp(src))
762  {
763  if ( (!nCoeff_is_Zp(src))
764  && (mpz_cmp(src->modBase, dst->modBase) == 0)
765  && (src->modExponent == dst->modExponent)) return nrnMapGMP;
766  else
767  {
768  mpz_ptr nrnMapModul = (mpz_ptr) omAllocBin(gmp_nrz_bin);
769  // Computing the n of Z/n
770  if (nCoeff_is_Zp(src))
771  {
772  mpz_init_set_si(nrnMapModul, src->ch);
773  }
774  else
775  {
776  mpz_init(nrnMapModul);
777  mpz_set(nrnMapModul, src->modNumber);
778  }
779  // nrnMapCoef = 1 in dst if dst is a subring of src
780  // nrnMapCoef = 0 in dst / src if src is a subring of dst
781  if (nrnMapCoef == NULL)
782  {
783  nrnMapCoef = (mpz_ptr) omAllocBin(gmp_nrz_bin);
784  mpz_init(nrnMapCoef);
785  }
786  if (mpz_divisible_p(nrnMapModul, dst->modNumber))
787  {
788  mpz_set_si(nrnMapCoef, 1);
789  }
790  else
791  if (nrnDivBy(NULL, (number) nrnMapModul,dst))
792  {
793  mpz_divexact(nrnMapCoef, dst->modNumber, nrnMapModul);
794  mpz_ptr tmp = dst->modNumber;
795  dst->modNumber = nrnMapModul;
796  if (!nrnIsUnit((number) nrnMapCoef,dst))
797  {
798  dst->modNumber = tmp;
799  nrnDelete((number*) &nrnMapModul, dst);
800  return NULL;
801  }
802  mpz_ptr inv = (mpz_ptr) nrnInvers((number) nrnMapCoef,dst);
803  dst->modNumber = tmp;
804  mpz_mul(nrnMapCoef, nrnMapCoef, inv);
805  mpz_mod(nrnMapCoef, nrnMapCoef, dst->modNumber);
806  nrnDelete((number*) &inv, dst);
807  }
808  else
809  {
810  nrnDelete((number*) &nrnMapModul, dst);
811  return NULL;
812  }
813  nrnDelete((number*) &nrnMapModul, dst);
814  if (nCoeff_is_Ring_2toM(src))
815  return nrnMap2toM;
816  else if (nCoeff_is_Zp(src))
817  return nrnMapZp;
818  else
819  return nrnMapModN;
820  }
821  }
822  return NULL; // default
823 }
#define omAllocBin(bin)
Definition: omAllocDecl.h:205
static FORCE_INLINE BOOLEAN nCoeff_is_Ring_ModN(const coeffs r)
Definition: coeffs.h:753
static number nrnMapZp(number from, const coeffs, const coeffs dst)
Definition: rmodulon.cc:670
static BOOLEAN nrnDivBy(number a, number b, const coeffs r)
Definition: rmodulon.cc:507
static FORCE_INLINE BOOLEAN nCoeff_is_Zp(const coeffs r)
Definition: coeffs.h:834
static number nrnInvers(number c, const coeffs r)
Definition: rmodulon.cc:232
static FORCE_INLINE BOOLEAN nCoeff_is_Ring_Z(const coeffs r)
Definition: coeffs.h:759
static FORCE_INLINE BOOLEAN nCoeff_is_Ring_2toM(const coeffs r)
Definition: coeffs.h:750
(), see rinteger.h, new impl.
Definition: coeffs.h:112
static mpz_ptr nrnMapCoef
Definition: rmodulon.cc:654
static number nrnMap2toM(number from, const coeffs, const coeffs dst)
Definition: rmodulon.cc:661
static BOOLEAN nrnIsUnit(number a, const coeffs r)
Definition: rmodulon.cc:486
static number nrnMapQ(number from, const coeffs src, const coeffs dst)
Definition: rmodulon.cc:688
omBin gmp_nrz_bin
Definition: rintegers.cc:31
static FORCE_INLINE BOOLEAN nCoeff_is_Ring_PtoM(const coeffs r)
Definition: coeffs.h:756
number nrnMapGMP(number from, const coeffs, const coeffs dst)
Definition: rmodulon.cc:680
static void nrnDelete(number *a, const coeffs)
Definition: rmodulon.cc:156
static number nrnMapZ(number from, const coeffs src, const coeffs dst)
Definition: rmodulon.cc:710
(mpz_ptr), see rmodulon,h
Definition: coeffs.h:115
(number), see longrat.h
Definition: coeffs.h:111
static number nrnMapModN(number from, const coeffs, const coeffs dst)
Definition: rmodulon.cc:656
#define NULL
Definition: omList.c:10