bitfcns.cc File Reference

#include <limits>
#include "str-vec.h"
#include "quit.h"
#include "defun.h"
#include "error.h"
#include "ov.h"
#include "ov-uint64.h"
#include "ov-uint32.h"
#include "ov-uint16.h"
#include "ov-uint8.h"
#include "ov-int64.h"
#include "ov-int32.h"
#include "ov-int16.h"
#include "ov-int8.h"
#include "ov-float.h"
#include "ov-scalar.h"
#include "ov-re-mat.h"
#include "ov-bool.h"
#include <functional>

Include dependency graph for bitfcns.cc:

Go to the source code of this file.

Classes
struct	std::bit_and< T >
struct	std::bit_or< T >
struct	std::bit_xor< T >

Macros
#define	DO_BITSHIFT(T)
#define	DO_SBITSHIFT(T, N)
#define	DO_UBITSHIFT(T, N)

Functions
octave_value	bitop (const std::string &fname, const octave_value_list &args)
template<typename T >
octave_value	bitopx (const std::string &fname, const Array< T > &x, const Array< T > &y)
template<typename OP , typename T >
octave_value	bitopxx (const OP &op, const std::string &fname, const Array< T > &x, const Array< T > &y)
static int64_t	bitshift (double a, int n, int64_t mask)
static int64_t	bitshift (float a, int n, int64_t mask)
OCTAVE_EXPORT octave_value_list	Fbitand (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fbitmax (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fbitor (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fbitshift (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fbitxor (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fflintmax (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fintmax (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fintmin (const octave_value_list &args, int)
OCTAVE_EXPORT octave_value_list	Fsizemax (const octave_value_list &args, int)
template<typename T >
static int64_t	max_mantissa_value ()

Macro Definition Documentation

#define DO_BITSHIFT

(

T

)

Definition at line 421 of file bitfcns.cc.

Referenced by Fbitshift().

#define DO_SBITSHIFT	(		T,
			N
	)

Value:

do \
    { \
      int bits_in_type = octave_ ## T :: nbits (); \
      T ## NDArray m = m_arg.T ## _array_value (); \
        octave_ ## T mask = octave_ ## T::max (); \
      if ((N) < bits_in_type) \
        mask = bitshift (mask, (N) - bits_in_type); \
      else if ((N) < 1) \
        mask = 0; \
      mask = mask | octave_ ## T :: min (); /* FIXME: 2's complement only? */ \
      DO_BITSHIFT (T); \
    } \
  while (0)

Definition at line 483 of file bitfcns.cc.

Referenced by Fbitshift().

#define DO_UBITSHIFT	(		T,
			N
	)

Value:

do \
    { \
      int bits_in_type = octave_ ## T :: nbits (); \
      T ## NDArray m = m_arg.T ## _array_value (); \
        octave_ ## T mask = octave_ ## T::max (); \
      if ((N) < bits_in_type) \
        mask = bitshift (mask, (N) - bits_in_type); \
      else if ((N) < 1) \
        mask = 0; \
      DO_BITSHIFT (T); \
    } \
  while (0)

Definition at line 469 of file bitfcns.cc.

Referenced by Fbitshift().

Function Documentation

octave_value bitop	(	const std::string &	fname,
		const octave_value_list &	args
	)

Definition at line 135 of file bitfcns.cc.

References octave_value_list::array_value(), octave_value::array_value(), bitopx(), error(), error_state, octave_value::float_array_value(), octave_value_list::length(), print_usage(), octave_bool::static_class_name(), octave_scalar::static_class_name(), octave_float_scalar::static_class_name(), and x.

Referenced by Fbitand(), Fbitor(), and Fbitxor().

template<typename T >

octave_value bitopx	(	const std::string &	fname,
		const Array< T > &	x,
		const Array< T > &	y
	)

Definition at line 123 of file bitfcns.cc.

References bitopxx().

Referenced by bitop().

template<typename OP , typename T >

octave_value bitopxx	(	const OP &	op,
		const std::string &	fname,
		const Array< T > &	x,
		const Array< T > &	y
	)

Definition at line 78 of file bitfcns.cc.

References Array< T >::dims(), error(), Array< T >::numel(), Array< T >::resize(), and x.

Referenced by bitopx().

static int64_t bitshift ( double  a, int  n, int64_t  mask  )

static

Definition at line 388 of file bitfcns.cc.

References bitshift().

static int64_t bitshift ( float  a, int  n, int64_t  mask  )

static

Definition at line 403 of file bitfcns.cc.

References bitshift().

OCTAVE_EXPORT octave_value_list Fbitand	(	const octave_value_list &	args,
		int
	)

Definition at line 353 of file bitfcns.cc.

References bitop().

OCTAVE_EXPORT octave_value_list Fbitmax	(	const octave_value_list &	args,
		int
	)

Definition at line 635 of file bitfcns.cc.

References error(), octave_value::length(), and print_usage().

OCTAVE_EXPORT octave_value_list Fbitor	(	const octave_value_list &	args,
		int
	)

Definition at line 364 of file bitfcns.cc.

References bitop().

OCTAVE_EXPORT octave_value_list Fbitshift	(	const octave_value_list &	args,
		int
	)

Definition at line 528 of file bitfcns.cc.

References octave_value::array_value(), octave_value::class_name(), DO_BITSHIFT, DO_SBITSHIFT, DO_UBITSHIFT, error(), error_state, octave_value::float_array_value(), octave_value::length(), and print_usage().

OCTAVE_EXPORT octave_value_list Fbitxor	(	const octave_value_list &	args,
		int
	)

Definition at line 375 of file bitfcns.cc.

References bitop().

OCTAVE_EXPORT octave_value_list Fflintmax	(	const octave_value_list &	args,
		int
	)

Definition at line 670 of file bitfcns.cc.

References error(), octave_value::length(), and print_usage().

OCTAVE_EXPORT octave_value_list Fintmax	(	const octave_value_list &	args,
		int
	)

Definition at line 728 of file bitfcns.cc.

References error(), octave_value::length(), max(), and print_usage().

OCTAVE_EXPORT octave_value_list Fintmin	(	const octave_value_list &	args,
		int
	)

Definition at line 798 of file bitfcns.cc.

References error(), octave_value::length(), min(), and print_usage().

OCTAVE_EXPORT octave_value_list Fsizemax	(	const octave_value_list &	args,
		int
	)

Definition at line 843 of file bitfcns.cc.

References dim_vector::dim_max(), and print_usage().

template<typename T >

static int64_t max_mantissa_value ( )

static

Definition at line 382 of file bitfcns.cc.