mirror of https://github.com/GnoConsortium/gno.git
185 lines
5.4 KiB
C
185 lines
5.4 KiB
C
/*
|
|
* File: SANE.h
|
|
*
|
|
* Declarations, macros and prototypes for the SANE glue functions
|
|
* in library lsaneglue.
|
|
*
|
|
* Written in 1997 by Soenke Behrens.
|
|
* This code is hereby placed into the Public Domain.
|
|
*
|
|
* $Id: sane.h,v 1.2 1997/09/21 21:51:02 gdr Exp $
|
|
*/
|
|
|
|
#ifndef __SANE__
|
|
#define __SANE__
|
|
|
|
#ifndef __TYPES__
|
|
#include <types.h>
|
|
#endif
|
|
|
|
/* Decimal representation constants */
|
|
#define SIGDIGLEN 0x001C
|
|
#define DECSTROUTLEN 0x0050
|
|
|
|
/* IEEE default environment constant */
|
|
#define IEEEDEFAULTENV 0x0000
|
|
typedef short environment;
|
|
|
|
/* Decimal formatting styles */
|
|
#define FLOATDECIMAL 0x0000
|
|
#define FIXEDDECIMAL 0x0001
|
|
|
|
/* Exceptions */
|
|
#define INVALID 0x0001
|
|
#define UNDERFLOW 0x0002
|
|
#define OVERFLOW 0x0004
|
|
#define DIVBYZERO 0x0008
|
|
#define INEXACT 0x0010
|
|
typedef short exception;
|
|
|
|
/* Ordering relations */
|
|
#define GREATERTHAN 0
|
|
#define LESSTHAN 1
|
|
#define EQUALTO 2
|
|
#define UNORDERED 3
|
|
typedef short relop;
|
|
|
|
/* Inquiry classes */
|
|
#define SNAN 0
|
|
#define QNAN 1
|
|
#define INFINITE 2
|
|
#define ZERONUM 3
|
|
#define NORMALNUM 4
|
|
#define DENORMALNUM 5
|
|
typedef short numclass;
|
|
|
|
/* Environmental control */
|
|
|
|
/* Rounding directions */
|
|
#define TONEAREST 0
|
|
#define UPWARD 1
|
|
#define DOWNWARD 2
|
|
#define TOWARDZERO 3
|
|
typedef short rounddir;
|
|
|
|
/* Rounding precisions */
|
|
#define EXTPRECISION 0
|
|
#define DBLPRECISION 1
|
|
#define FLOATPRECISION 2
|
|
typedef short roundpre;
|
|
|
|
/* NAN codes */
|
|
#define NANSQRT 1 /* Invalid square root such as sqrt(-1) */
|
|
#define NANADD 2 /* Invalid addition such as +INF - +INF */
|
|
#define NANDIV 4 /* Invalid division such as 0/0 */
|
|
#define NANMUL 8 /* Invalid multiply such as 0 * INF */
|
|
#define NANREM 9 /* Invalid rem or mod such as x REM 0 */
|
|
#define NANASCBIN 17 /* Conversion of invalid ASCII string */
|
|
#define NANCOMP 20 /* Comp NaN converted to floating */
|
|
#define NANZERO 21 /* Attempt to create a NaN with zero code */
|
|
#define NANTRIG 33 /* Invalid argument to trig routine */
|
|
#define NANINVTRIG 34 /* Invalid arg to inverse trig routine */
|
|
#define NANLOG 36 /* Invalid argument to log routine */
|
|
#define NANPOWER 37 /* Invalid argument to x^i or x^y routine */
|
|
#define NANFINAN 38 /* Invalid argument to financial function */
|
|
|
|
typedef struct decimal
|
|
{
|
|
short sgn; /* sign 0 for +, 1 for - */
|
|
short exp; /* decimal exponent */
|
|
struct
|
|
{
|
|
unsigned char length, text[SIGDIGLEN], unused;
|
|
}sig; /* significant digits */
|
|
} decimal, Decimal;
|
|
|
|
typedef struct decform
|
|
{
|
|
short style; /* FLOATDECIMAL or FIXEDDECIMAL */
|
|
short digits;
|
|
} decform, DecForm;
|
|
|
|
typedef void (*haltvector)(void);
|
|
|
|
/* SANE types are:
|
|
* float -- IEEE single precision
|
|
* double -- IEEE double precision
|
|
* extended -- IEEE extended precision
|
|
* comp -- SANE comp type
|
|
* Decimal -- SANE decimal string
|
|
* DecForm -- Controls formatting of decimal strings
|
|
*/
|
|
|
|
/* Function declarations */
|
|
|
|
void s_num2dec(DecForm *, extended, Decimal *);
|
|
extended s_dec2num(Decimal *);
|
|
void s_str2dec(char *, short *, Decimal *, short *);
|
|
void s_dec2str(DecForm *, Decimal *, char *);
|
|
extended s_fabs(extended);
|
|
extended s_fneg(extended);
|
|
extended s_remainder(extended, extended, short *);
|
|
extended s_sqrt(extended);
|
|
extended s_rint(extended);
|
|
extended s_scalb(short, extended);
|
|
extended s_logb(extended);
|
|
extended s_copysign(extended, extended);
|
|
extended s_nextfloat(extended, extended);
|
|
extended s_nextdouble(extended, extended);
|
|
extended s_nextextended(extended, extended);
|
|
extended s_log2(extended);
|
|
extended s_log(extended);
|
|
extended s_log1(extended);
|
|
extended s_exp2(extended);
|
|
extended s_exp(extended);
|
|
extended s_exp1(extended);
|
|
extended s_power(extended, extended);
|
|
extended s_ipower(extended, short);
|
|
extended s_compound(extended, extended);
|
|
extended s_annuity(extended, extended);
|
|
extended s_tan(extended);
|
|
extended s_sin(extended);
|
|
extended s_cos(extended);
|
|
extended s_atan(extended);
|
|
extended s_randomx(extended *);
|
|
numclass s_classfloat(extended);
|
|
numclass s_classdouble(extended);
|
|
numclass s_classcomp(extended);
|
|
numclass s_classextended(extended);
|
|
long s_signnum(extended);
|
|
void s_setexception(exception, long);
|
|
long s_testexception(exception);
|
|
void s_sethalt(exception, long);
|
|
long s_testhalt(exception);
|
|
void s_setround(rounddir);
|
|
rounddir s_getround(void);
|
|
void s_setprecision(roundpre);
|
|
roundpre s_getprecision(void);
|
|
void s_setenvironment(environment);
|
|
void s_getenvironment(environment *);
|
|
void s_procentry(environment *);
|
|
void s_procexit(environment);
|
|
haltvector s_gethaltvector(void);
|
|
void s_sethaltvector(haltvector);
|
|
relop s_relation(extended, extended);
|
|
extended s_nan(unsigned char);
|
|
extended s_inf(void);
|
|
extended s_pi(void);
|
|
|
|
/* SANE tool calls */
|
|
|
|
extern pascal void SANEBootInit(void) inline(0x010A,dispatcher);
|
|
extern pascal void SANEStartUp(Word) inline(0x020A,dispatcher);
|
|
extern pascal void SANEShutDown(void) inline(0x030A,dispatcher);
|
|
extern pascal Word SANEVersion(void) inline(0x040A,dispatcher);
|
|
extern pascal void SANEReset(void) inline(0x050A,dispatcher);
|
|
extern pascal Boolean SANEStatus(void) inline(0x060A,dispatcher);
|
|
extern pascal void SANEFP816(Word, ...) inline(0x090A,dispatcher);
|
|
extern pascal void SANEDecStr816(Word, ...) inline(0x0A0A,dispatcher);
|
|
extern pascal void SANEElems816(Word, ...) inline(0x0B0A,dispatcher);
|
|
|
|
/* FPCP find routine, not part of SANE tool set, found in lsaneglue */
|
|
int findfpcp(void); /* Returns slot number of FPCP card or -1 if not found */
|
|
|
|
#endif
|