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>

Go to the source code of this file.

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)
octave_value_list	Fbitand (const octave_value_list &args, int)
octave_value_list	Fbitor (const octave_value_list &args, int)
octave_value_list	Fbitshift (const octave_value_list &args, int)
octave_value_list	Fbitxor (const octave_value_list &args, int)
octave_value_list	Fflintmax (const octave_value_list &args, int)
octave_value_list	Fintmax (const octave_value_list &args, int)
octave_value_list	Fintmin (const octave_value_list &args, int)
octave_value_list	Fsizemax (const octave_value_list &args, int)

Macro Definition Documentation

DO_BITSHIFT

#define DO_BITSHIFT

(

T

)

Definition at line 467 of file bitfcns.cc.

DO_SBITSHIFT

#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)

Definition at line 522 of file bitfcns.cc.

DO_UBITSHIFT

#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 508 of file bitfcns.cc.

Function Documentation

bitop()

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

Definition at line 156 of file bitfcns.cc.

References octave_value_list::length(), print_usage(), octave_bool::static_class_name(), octave_float_scalar::static_class_name(), and octave_scalar::static_class_name().

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

bitopx()

template<typename T >

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

Definition at line 124 of file bitfcns.cc.

References bitopxx(), and x.

bitopxx()

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 84 of file bitfcns.cc.

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

Referenced by bitopx().

Fbitand()

octave_value_list Fbitand	(	const octave_value_list &	args,
		int
	)

Definition at line 370 of file bitfcns.cc.

References bitop().

Fbitor()

octave_value_list Fbitor	(	const octave_value_list &	args,
		int
	)

Definition at line 385 of file bitfcns.cc.

References bitop().

Fbitshift()

octave_value_list Fbitshift	(	const octave_value_list &	args,
		int
	)

Definition at line 568 of file bitfcns.cc.

References octave_value::array_value(), octave_value::class_name(), DO_BITSHIFT, DO_SBITSHIFT, DO_UBITSHIFT, error(), octave_value::float_array_value(), m, n, numel(), and print_usage().

Fbitxor()

octave_value_list Fbitxor	(	const octave_value_list &	args,
		int
	)

Definition at line 400 of file bitfcns.cc.

References bitop().

Fflintmax()

octave_value_list Fflintmax	(	const octave_value_list &	args,
		int
	)

Definition at line 686 of file bitfcns.cc.

References error(), ovl(), and print_usage().

Fintmax()

octave_value_list Fintmax	(	const octave_value_list &	args,
		int
	)

Definition at line 778 of file bitfcns.cc.

References error(), isinteger(), max(), and print_usage().

Fintmin()

octave_value_list Fintmin	(	const octave_value_list &	args,
		int
	)

Definition at line 892 of file bitfcns.cc.

References error(), isinteger(), min(), and print_usage().

Fsizemax()

octave_value_list Fsizemax	(	const octave_value_list &	args,
		int
	)

Definition at line 965 of file bitfcns.cc.

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