isnan.c File Reference

#include <config.h>
#include <float.h>
#include <string.h>
#include "float+.h"

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Data Structures
union	memory_double

Macros
#define	FUNC   rpl_isnand
#define	DOUBLE   double
#define	MAX_EXP   DBL_MAX_EXP
#define	MIN_EXP   DBL_MIN_EXP
#define	SIZE   SIZEOF_DBL
#define	L_(literal)   literal
#define	EXP_MASK   ((MAX_EXP - MIN_EXP) | 7)
#define	NWORDS   ((sizeof (DOUBLE) + sizeof (unsigned int) - 1) / sizeof (unsigned int))
#define	IEEE_FLOATING_POINT

Functions
int	rpl_isnand (double x)
int	FUNC (DOUBLE x)

Macro Definition Documentation

DOUBLE

#define DOUBLE   double

Referenced by FUNC().

EXP_MASK

#define EXP_MASK   ((MAX_EXP - MIN_EXP) | 7)

Referenced by FUNC().

FUNC

#define FUNC   rpl_isnand

IEEE_FLOATING_POINT

#define IEEE_FLOATING_POINT

Value:

(FLT_RADIX == 2 && FLT_MANT_DIG == 24 \
                             && FLT_MIN_EXP == -125 && FLT_MAX_EXP == 128)

L_

#define L_

(

literal

)

literal

Referenced by FUNC().

MAX_EXP

#define MAX_EXP   DBL_MAX_EXP

MIN_EXP

#define MIN_EXP   DBL_MIN_EXP

NWORDS

#define NWORDS   ((sizeof (DOUBLE) + sizeof (unsigned int) - 1) / sizeof (unsigned int))

SIZE

#define SIZE   SIZEOF_DBL

Referenced by FUNC().

Function Documentation

FUNC()

int FUNC

(

DOUBLE

x

)

rpl_isnand()

int rpl_isnand

(

double

x

)