Ruby  2.4.2p198(2017-09-14revision59899)
Data Structures | Macros | Functions | Variables
missing.h File Reference
#include "ruby/config.h"
#include <stddef.h>
#include <math.h>
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Data Structures

struct  timeval
 
struct  timespec
 
struct  timezone
 
union  bytesequence4_or_float
 

Macros

#define M_PI   3.14159265358979323846
 
#define M_PI_2   (M_PI/2)
 
#define RUBY_SYMBOL_EXPORT_BEGIN   /* begin */
 
#define RUBY_SYMBOL_EXPORT_END   /* end */
 
#define RUBY_EXTERN   extern
 
#define INFINITY   (rb_infinity.float_value)
 
#define NAN   (rb_nan.float_value)
 
#define HAVE_ISFINITE   1
 
#define isfinite(x)   finite(x)
 

Functions

RUBY_SYMBOL_EXPORT_BEGIN RUBY_EXTERN double acosh (double)
 
RUBY_EXTERN double asinh (double)
 
RUBY_EXTERN double atanh (double)
 
RUBY_EXTERN char * crypt (const char *, const char *)
 
RUBY_EXTERN int dup2 (int, int)
 
RUBY_EXTERN int eaccess (const char *, int)
 
RUBY_EXTERN double round (double)
 
RUBY_EXTERN int finite (double)
 
RUBY_EXTERN int flock (int, int)
 
RUBY_EXTERN double hypot (double, double)
 
RUBY_EXTERN double erf (double)
 
RUBY_EXTERN double erfc (double)
 
RUBY_EXTERN double tgamma (double)
 
RUBY_EXTERN double lgamma_r (double, int *)
 
RUBY_EXTERN double cbrt (double)
 
RUBY_EXTERN int isinf (double)
 
RUBY_EXTERN int isnan (double)
 
RUBY_EXTERN double nextafter (double x, double y)
 
RUBY_EXTERN void * memmove (void *, const void *, size_t)
 
RUBY_EXTERN char * strchr (const char *, int)
 
RUBY_EXTERN char * strrchr (const char *, int)
 
RUBY_EXTERN char * strerror (int)
 
RUBY_EXTERN char * strstr (const char *, const char *)
 
RUBY_EXTERN size_t strlcpy (char *, const char *, size_t)
 
RUBY_EXTERN size_t strlcat (char *, const char *, size_t)
 
RUBY_EXTERN int signbit (double x)
 
RUBY_EXTERN int ffs (int)
 
RUBY_EXTERN void setproctitle (const char *fmt,...)
 
RUBY_EXTERN void explicit_bzero (void *b, size_t len)
 

Variables

RUBY_EXTERN const union bytesequence4_or_float rb_infinity
 
RUBY_EXTERN const union bytesequence4_or_float rb_nan
 

Macro Definition Documentation

◆ HAVE_ISFINITE

#define HAVE_ISFINITE   1

Definition at line 179 of file missing.h.

◆ INFINITY

#define INFINITY   (rb_infinity.float_value)

◆ isfinite

#define isfinite (   x)    finite(x)

Definition at line 180 of file missing.h.

Referenced by BigDecimal_new(), flo_is_finite_p(), flo_round(), and GetVpValueWithPrec().

◆ M_PI

#define M_PI   3.14159265358979323846

Definition at line 41 of file missing.h.

Referenced by exp1(), f_complex_polar(), math_atan2(), and numeric_arg().

◆ M_PI_2

#define M_PI_2   (M_PI/2)

Definition at line 44 of file missing.h.

Referenced by f_complex_polar().

◆ NAN

#define NAN   (rb_nan.float_value)

Definition at line 155 of file missing.h.

Referenced by Init_Numeric(), nurat_expt(), r_object0(), and rb_int_fdiv_double().

◆ RUBY_EXTERN

#define RUBY_EXTERN   extern

Definition at line 77 of file missing.h.

Referenced by Init_dbm().

◆ RUBY_SYMBOL_EXPORT_BEGIN

#define RUBY_SYMBOL_EXPORT_BEGIN   /* begin */

Definition at line 48 of file missing.h.

Referenced by Init_Cont(), Init_vm_backtrace(), and is_global_name_punct().

◆ RUBY_SYMBOL_EXPORT_END

#define RUBY_SYMBOL_EXPORT_END   /* end */

Definition at line 49 of file missing.h.

Referenced by Init_vm_backtrace(), is_global_name_punct(), and ruby_Init_Fiber_as_Coroutine().

Function Documentation

◆ acosh()

RUBY_SYMBOL_EXPORT_BEGIN RUBY_EXTERN double acosh ( double  )

Definition at line 36 of file acosh.c.

References BIG_CRITERIA.

Referenced by math_acosh().

◆ asinh()

RUBY_EXTERN double asinh ( double  )

Definition at line 52 of file acosh.c.

References BIG_CRITERIA, DBL_MANT_DIG, neg, and SMALL_CRITERIA.

Referenced by math_asinh().

◆ atanh()

RUBY_EXTERN double atanh ( double  )

Definition at line 75 of file acosh.c.

References errno, isinf(), neg, and SMALL_CRITERIA.

Referenced by math_atanh().

◆ cbrt()

RUBY_EXTERN double cbrt ( double  )

Definition at line 4 of file cbrt.c.

Referenced by math_cbrt().

◆ crypt()

RUBY_EXTERN char* crypt ( const char *  ,
const char *   
)

Referenced by rb_str_crypt().

◆ dup2()

RUBY_EXTERN int dup2 ( int  ,
int   
)

◆ eaccess()

RUBY_EXTERN int eaccess ( const char *  ,
int   
)

◆ erf()

RUBY_EXTERN double erf ( double  )

Definition at line 71 of file erf.c.

References finite(), isnan, LOG_PI_OVER_2, and p_gamma().

Referenced by math_erf().

◆ erfc()

RUBY_EXTERN double erfc ( double  )

Definition at line 81 of file erf.c.

References finite(), isnan, LOG_PI_OVER_2, p_gamma(), and q_gamma().

Referenced by math_erfc().

◆ explicit_bzero()

RUBY_EXTERN void explicit_bzero ( void *  b,
size_t  len 
)

Definition at line 71 of file explicit_bzero.c.

Referenced by init_randomseed(), Init_RandomSeedCore(), rand_init(), and random_seed().

◆ ffs()

RUBY_EXTERN int ffs ( int  )

Definition at line 6 of file ffs.c.

Referenced by big2str_base_poweroftwo(), and rb_str_format().

◆ finite()

RUBY_EXTERN int finite ( double  )

Definition at line 6 of file finite.c.

References isinf(), and isnan.

◆ flock()

RUBY_EXTERN int flock ( int  ,
int   
)

Definition at line 125 of file flock.c.

◆ hypot()

RUBY_EXTERN double hypot ( double  ,
double   
)

Definition at line 6 of file hypot.c.

Referenced by math_hypot().

◆ isinf()

RUBY_EXTERN int isinf ( double  )

◆ isnan()

RUBY_EXTERN int isnan ( double  )

Definition at line 22 of file isnan.c.

References double_ne().

◆ lgamma_r()

RUBY_EXTERN double lgamma_r ( double  ,
int *   
)

Definition at line 63 of file lgamma_r.c.

References errno, f, LOG_PI, loggamma(), PI, and signbit().

Referenced by math_erfc(), and math_lgamma().

◆ memmove()

RUBY_EXTERN void* memmove ( void *  ,
const void *  ,
size_t   
)

◆ nextafter()

RUBY_EXTERN double nextafter ( double  x,
double  y 
)

Definition at line 9 of file nextafter.c.

References DBL_EPSILON, DBL_MANT_DIG, DBL_MAX, DBL_MIN, DBL_MIN_EXP, isinf(), and isnan.

Referenced by flo_next_float(), and flo_prev_float().

◆ round()

RUBY_EXTERN double round ( double  )

◆ setproctitle()

RUBY_EXTERN void setproctitle ( const char *  fmt,
  ... 
)

Definition at line 139 of file setproctitle.c.

References len, NULL, SPT_PADCHAR, strlcpy(), strlen(), and vsnprintf.

Referenced by proc_setproctitle().

◆ signbit()

RUBY_EXTERN int signbit ( double  x)

◆ strchr()

RUBY_EXTERN char* strchr ( const char *  ,
int   
)

Definition at line 8 of file strchr.c.

References strlen().

◆ strerror()

RUBY_EXTERN char* strerror ( int  )

◆ strlcat()

RUBY_EXTERN size_t strlcat ( char *  ,
const char *  ,
size_t   
)

Definition at line 31 of file strlcat.c.

References strlen().

Referenced by rb_file_expand_path_internal(), and w32_aspawn_flags().

◆ strlcpy()

RUBY_EXTERN size_t strlcpy ( char *  ,
const char *  ,
size_t   
)

◆ strrchr()

RUBY_EXTERN char* strrchr ( const char *  ,
int   
)

Definition at line 20 of file strchr.c.

References strlen().

◆ strstr()

RUBY_EXTERN char* strstr ( const char *  ,
const char *   
)

Definition at line 8 of file strstr.c.

References strlen().

Referenced by load_file_internal(), and Messaging_HandleMessage().

◆ tgamma()

RUBY_EXTERN double tgamma ( double  )

Definition at line 72 of file tgamma.c.

References errno, f, loggamma(), PI, and zero().

Referenced by math_erfc(), and math_gamma().

Variable Documentation

◆ rb_infinity

Definition at line 148 of file missing.h.

◆ rb_nan

Definition at line 154 of file missing.h.