This commit is contained in:
nilspolek
2024-01-28 10:54:17 +01:00
parent 84dcb63ea7
commit 221a08e7dc
19 changed files with 0 additions and 2616 deletions

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/*
* bigint.h -- big integer library
*/
#ifndef _BIGINT_H_
#define _BIGINT_H_
/* object representation */
typedef void* BigObjRef;
#include <stdio.h>
typedef struct {
int nd; /* number of digits; array may be bigger */
/* nd = 0 exactly when number = 0 */
unsigned char sign; /* one of BIG_NEGATIVE or BIG_POSITIVE */
/* zero always has BIG_POSITIVE here */
unsigned char digits[1]; /* the digits proper; number base is 256 */
/* LS digit first; MS digit is not zero */
} Big;
#include "support.h"
/* big integer processor registers */
typedef struct {
BigObjRef op1; /* first (or single) operand */
BigObjRef op2; /* second operand (if present) */
BigObjRef res; /* result of operation */
BigObjRef rem; /* remainder in case of division */
} BIP;
extern BIP bip; /* registers of the processor */
/* big integer processor functions */
int bigSgn(void); /* sign */
int bigCmp(void); /* comparison */
void bigNeg(void); /* negation */
void bigAdd(void); /* addition */
void bigSub(void); /* subtraction */
void bigMul(void); /* multiplication */
void bigDiv(void); /* division */
void bigFromInt(int n); /* conversion int --> big */
int bigToInt(void); /* conversion big --> int */
void bigRead(FILE *in); /* read a big integer */
void bigPrint(FILE *out); /* print a big integer */
void bigDump(FILE *out, BigObjRef bigObjRef); /* dump a big integer object */
#endif /* _BIGINT_H_ */

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/*
* support.h -- object representation and support functions
*/
#ifndef _SUPPORT_H_
#define _SUPPORT_H_
/* support functions */
void fatalError(char *msg); /* print a message and exit */
void * newPrimObject(int dataSize); /* create a new primitive object */
void * getPrimObjectDataPointer(void * primObject);
#endif /* _SUPPORT_H_ */

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