Akos Kiss
b39474c746
* Made helper functions static. * Changed the signature of __kernel_rem_pio2 not to require the ipio2 argument JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
|
|
/* @(#)fdlibm.h 1.5 04/04/22 */
|
|
/*
|
|
* ====================================================
|
|
* Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
|
|
but these catch some common cases. */
|
|
|
|
#if defined(i386) || defined(__i386) || defined(__i386__) || \
|
|
defined(i486) || defined(__i486) || defined(__i486__) || \
|
|
defined(intel) || defined(x86) || defined(i86pc) || \
|
|
defined(__alpha) || defined(__osf__) || \
|
|
defined(__x86_64__) || defined(__arm__)
|
|
#define __LITTLE_ENDIAN
|
|
#endif
|
|
|
|
#ifdef __LITTLE_ENDIAN
|
|
#define __HI(x) *(1+(int*)&x)
|
|
#define __LO(x) *(int*)&x
|
|
#else
|
|
#define __HI(x) *(int*)&x
|
|
#define __LO(x) *(1+(int*)&x)
|
|
#endif
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
|
|
#define MAXFLOAT ((float)3.40282346638528860e+38)
|
|
|
|
#define HUGE MAXFLOAT
|
|
|
|
/*
|
|
* set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
|
|
* (one may replace the following line by "#include <values.h>")
|
|
*/
|
|
|
|
#define X_TLOSS 1.41484755040568800000e+16
|
|
|
|
#define DOMAIN 1
|
|
#define SING 2
|
|
#define OVERFLOW 3
|
|
#define UNDERFLOW 4
|
|
#define TLOSS 5
|
|
#define PLOSS 6
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
extern double acos (double);
|
|
extern double asin (double);
|
|
extern double atan (double);
|
|
extern double atan2 (double, double);
|
|
extern double cos (double);
|
|
extern double sin (double);
|
|
extern double tan (double);
|
|
|
|
extern double exp (double);
|
|
extern double log (double);
|
|
|
|
extern double pow (double, double);
|
|
extern double sqrt (double);
|
|
|
|
extern double ceil (double);
|
|
extern double fabs (double);
|
|
extern double floor (double);
|
|
extern double fmod (double, double);
|
|
|
|
extern int isnan (double);
|
|
extern int finite (double);
|
|
|
|
/*
|
|
* Functions callable from C, intended to support IEEE arithmetic.
|
|
*/
|
|
extern double copysign (double, double);
|
|
extern double scalbn (double, int);
|