13 #include <flint/flint.h>
14 #include <flint/fmpq_poly.h>
15 #include "factory/factory.h"
32 while (*
s >=
'0' && *
s <=
'9')
s++;
35 mpz_set_str(
i,start,10);
41 mpz_set_str(
i,start,10);
121 fmpq_poly_set_si(
res,
i);
128 fmpq_poly_set_mpz(
res,
i);
147 long nl=mpz_get_si(
num);
148 if (mpz_cmp_si(
num,nl)!=0) nl=0;
149 long dl=mpz_get_si(
den);
150 if ((dl!=1)||(mpz_cmp_si(
den,dl)!=0)) nl=0;
170 int dl=(int)mpz_get_si(
den);
171 if ((dl!=1)||(mpz_cmp_si(
den,(
long)dl)!=0)) mpz_set_ui(
result,0);
243 int l=mpz_sizeinbase(
num,10);
247 char *z=mpz_get_str(
s,10,
num);
249 ||(mpz_cmp_si(
num,1)!=0)
250 ||(mpz_cmp_si(
den,1)!=0))
253 if (mpz_cmp_si(
den,1)!=0)
256 z=mpz_get_str(
s,10,
den);
273 static const char*
Read(
const char * st, number * a,
const coeffs r)
278 *a=(number)
omAlloc(
sizeof(fmpq_poly_t));
281 if (*
s==
'-') { neg=
TRUE;
s++;}
296 else if(strncmp(
s,r->pParameterNames[0],strlen(r->pParameterNames[0]))==0)
299 s+=strlen(r->pParameterNames[0]);
351 int dl=(int)mpz_get_si(
den);
377 fmpq_poly_set_fmpz(
res,
den);
438 fmpq_poly_set_mpz(
res,
i->z);
447 WerrorS(
"not yet: ChineseRemainder");
457 fmpq_poly_set_coeff_si(
res,1,1);
464 int l=fmpq_poly_length(aa);
471 for(
int i=
l;
i>=0;
i--)
495 for (
int i=
l;
i>=0;
i--)
502 fmpq_poly_set_coeff_mpq(aa,
i,
m);
512 WerrorS(
"not yet: ConvFactoryNSingN");
516 WerrorS(
"not yet: ConvSingNFactoryN");
520 static char CoeffName_flint_Q[20];
521 sprintf(CoeffName_flint_Q,
"flint:QQ[%s]",r->pParameterNames[0]);
522 return (
char*)CoeffName_flint_Q;
527 char *
buf=(
char*)
omAlloc(12+strlen(r->pParameterNames[0]));
528 sprintf(
buf,
"flintQ(\"%s\")",r->pParameterNames[0]);
537 const char start[]=
"flint:QQ[";
538 const int start_len=strlen(start);
539 if (strncmp(
s,start,start_len)==0)
543 int l=sscanf(
s,
"%s",st);
546 while (st[strlen(st)-1]==
']') st[strlen(st)-1]=
'\0';
565 char *
pp=(
char*)infoStruct;
629 cf->iNumberOfParameters = 1;
630 char **pn=(
char**)
omAlloc0(
sizeof(
char*));
632 cf->pParameterNames = (
const char **)pn;
static int si_max(const int a, const int b)
Coefficient rings, fields and other domains suitable for Singular polynomials.
coeffs nInitChar(n_coeffType t, void *parameter)
one-time initialisations for new coeffs in case of an error return NULL
number(* nMapFunc)(number a, const coeffs src, const coeffs dst)
maps "a", which lives in src, into dst
const CanonicalForm int s
void WerrorS(const char *s)
static void WriteShort(number a, const coeffs r)
static number Lcm(number a, number b, const coeffs r)
static number ConvFactoryNSingN(const CanonicalForm n, const coeffs r)
static void MPZ(mpz_t result, number &n, const coeffs r)
static number Neg(number a, const coeffs r)
static BOOLEAN Greater(number a, number b, const coeffs r)
char * CoeffName(const coeffs r)
static number Mult(number a, number b, const coeffs c)
static number Init_bigint(number i, const coeffs dummy, const coeffs dst)
static number Sub(number a, number b, const coeffs c)
static long Int(number &n, const coeffs r)
static number GetDenom(number &n, const coeffs r)
static number Init(long i, const coeffs r)
static BOOLEAN CoeffIsEqual(const coeffs r, n_coeffType n, void *parameter)
static void Normalize(number &a, const coeffs r)
static number Gcd(number a, number b, const coeffs r)
BOOLEAN flintQ_InitChar(coeffs cf, void *infoStruct)
fmpq_poly_struct * fmpq_poly_ptr
static char * CoeffString(const coeffs r)
static number ExtGcd(number a, number b, number *s, number *t, const coeffs r)
static void WriteFd(number a, const ssiInfo *d, const coeffs)
static BOOLEAN GreaterZero(number k, const coeffs r)
static BOOLEAN DBTest(number a, const char *f, const int l, const coeffs r)
coeffs flintQInitCfByName(char *s, n_coeffType n)
static void Delete(number *a, const coeffs r)
static CanonicalForm ConvSingNFactoryN(number n, BOOLEAN setChar, const coeffs r)
static void KillChar(coeffs cf)
static number Copy(number a, const coeffs r)
static number GetNumerator(number &n, const coeffs r)
static number ReadFd(const ssiInfo *d, const coeffs)
static number InitMPZ(mpz_t i, const coeffs r)
static number Div(number a, number b, const coeffs c)
static void CoeffWrite(const coeffs r, BOOLEAN details)
static void Power(number a, int i, number *result, const coeffs r)
static BOOLEAN Equal(number a, number b, const coeffs r)
static number Add(number a, number b, const coeffs c)
static BOOLEAN IsOne(number a, const coeffs r)
static number Farey(number p, number n, const coeffs)
static BOOLEAN IsZero(number a, const coeffs r)
static int ParDeg(number x, const coeffs r)
static nMapFunc SetMap(const coeffs src, const coeffs dst)
static number ChineseRemainder(number *x, number *q, int rl, BOOLEAN sym, CFArray &inv_cache, const coeffs)
static BOOLEAN IsMOne(number k, const coeffs r)
static void SetChar(const coeffs r)
static number Parameter(const int i, const coeffs r)
static number Invers(number a, const coeffs r)
static number IntMod(number a, number b, const coeffs c)
static char * nlEatLong(char *s, mpz_ptr i)
static const char * Read(const char *st, number *a, const coeffs r)
static int Size(number n, const coeffs r)
static number ExactDiv(number a, number b, const coeffs c)
The main handler for Singular numbers which are suitable for Singular polynomials.
char * nEati(char *s, int *i, int m)
divide by the first (leading) number and return it, i.e. make monic
const char *const nDivBy0
#define omFreeSize(addr, size)
void StringAppendS(const char *st)
void PrintS(const char *s)
void s_readmpz_base(s_buff F, mpz_ptr a, int base)
int status int void * buf