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)
static int	bitop_arg_is_bool (const octave_value &arg)
static int	bitop_arg_is_float (const octave_value &arg)
static int	bitop_arg_is_int (const octave_value &arg)
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)
OCTAVE_EXPORT octave_value_list	Fbitand (const octave_value_list &args, int) ar

Macro Definition Documentation

#define DO_BITSHIFT

(

T

)

#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;                                       \
      /* FIXME: 2's complement only? */                 \
      mask = mask | octave_ ## T :: min ();             \
      DO_BITSHIFT (T);                                  \
    }                                                   \
  while (0)

#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)

Function Documentation

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

Definition at line 150 of file bitfcns.cc.

References octave_value::array_value(), bitop_arg_is_bool(), bitop_arg_is_float(), bitop_arg_is_int(), bitopx(), octave_value::bool_array_value(), error(), octave_value::float_array_value(), octave_value_list::length(), p, print_usage(), retval, octave_bool::static_class_name(), octave_scalar::static_class_name(), octave_float_scalar::static_class_name(), x, and y.

Referenced by Fbitand().

static int bitop_arg_is_bool ( const octave_value &  arg )

inlinestatic

Definition at line 138 of file bitfcns.cc.

References octave_value::class_name(), and octave_bool::static_class_name().

Referenced by bitop().

static int bitop_arg_is_float ( const octave_value &  arg )

inlinestatic

Definition at line 144 of file bitfcns.cc.

References octave_value::class_name(), and octave_float_scalar::static_class_name().

Referenced by bitop().

static int bitop_arg_is_int ( const octave_value &  arg )

inlinestatic

Definition at line 130 of file bitfcns.cc.

References octave_value::class_name(), octave_bool::static_class_name(), octave_scalar::static_class_name(), and octave_float_scalar::static_class_name().

Referenced by bitop().

template<typename T >

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

Definition at line 118 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(), k, Array< T >::numel(), result, x, and y.

Referenced by bitopx().

OCTAVE_EXPORT octave_value_list Fbitand	(	const octave_value_list &	args,
		int
	)

Definition at line 364 of file bitfcns.cc.

References bitop().

Referenced by install_bitfcns_fcns().