gcd.cc File Reference

#include "dNDArray.h"
#include "CNDArray.h"
#include "fNDArray.h"
#include "fCNDArray.h"
#include "lo-mappers.h"
#include "oct-binmap.h"
#include "defun.h"
#include "error.h"
#include "ovl.h"

Include dependency graph for gcd.cc:

Go to the source code of this file.

Macros
#define	MAKE_INT_BRANCH(X)
#define	MAKE_INT_BRANCH(X)

Functions
template<typename FP >
static void	divide (const std::complex< FP > &a, const std::complex< FP > &b, std::complex< FP > &q, std::complex< FP > &r)
template<typename NDA >
static octave_value	do_extended_gcd (const octave_value &a, const octave_value &b, octave_value &x, octave_value &y)
template<typename NDA >
static octave_value	do_simple_gcd (const octave_value &a, const octave_value &b)
template<typename T >
static octave_int< T >	extended_gcd (const octave_int< T > &a, const octave_int< T > &b, octave_int< T > &x, octave_int< T > &y)
template<typename FP >
static std::complex< FP >	extended_gcd (const std::complex< FP > &a, const std::complex< FP > &b, std::complex< FP > &x, std::complex< FP > &y)
static double	extended_gcd (double a, double b, double &x, double &y)
OCTAVE_EXPORT octave_value_list	Fgcd (const octave_value_list &args, int nargout)
template<typename T >
static octave_int< T >	simple_gcd (const octave_int< T > &a, const octave_int< T > &b)
template<typename FP >
static std::complex< FP >	simple_gcd (const std::complex< FP > &a, const std::complex< FP > &b)
static double	simple_gcd (double a, double b)

Macro Definition Documentation

MAKE_INT_BRANCH [1/2]

#define MAKE_INT_BRANCH

(

X

)

Value:

    case btyp_ ## X:                                  \
      retval = do_simple_gcd<X ## NDArray> (a, b);    \
      break

MAKE_INT_BRANCH [2/2]

#define MAKE_INT_BRANCH

(

X

)

Value:

    case btyp_ ## X:                                          \
      retval = do_extended_gcd<X ## NDArray> (a, b, x, y);    \
      break

Function Documentation

divide()

template<typename FP >

static void divide ( const std::complex< FP > &  a, const std::complex< FP > &  b, std::complex< FP > &  q, std::complex< FP > &  r  )

static

Definition at line 65 of file gcd.cc.

References octave::math::floor(), imag(), r, and real().

Referenced by extended_gcd(), and simple_gcd().

do_extended_gcd()

template<typename NDA >

static octave_value do_extended_gcd ( const octave_value &  a, const octave_value &  b, octave_value &  x, octave_value &  y  )

static

Definition at line 320 of file gcd.cc.

References octave_value::dims(), octave::err_nonconformant(), extended_gcd(), octave_value::is_scalar_type(), n, retval, and x.

Referenced by Fgcd().

do_simple_gcd()

template<typename NDA >

static octave_value do_simple_gcd ( const octave_value &  a, const octave_value &  b  )

static

Definition at line 240 of file gcd.cc.

References octave_value::is_scalar_type(), retval, and simple_gcd().

Referenced by Fgcd().

extended_gcd() [1/3]

template<typename T >

static octave_int<T> extended_gcd ( const octave_int< T > &  a, const octave_int< T > &  b, octave_int< T > &  x, octave_int< T > &  y  )

static

Definition at line 207 of file gcd.cc.

References octave_int< T >::abs(), octave_int< T >::signum(), and x.

extended_gcd() [2/3]

template<typename FP >

static std::complex<FP> extended_gcd ( const std::complex< FP > &  a, const std::complex< FP > &  b, std::complex< FP > &  x, std::complex< FP > &  y  )

static

Definition at line 158 of file gcd.cc.

References abs(), divide(), error(), octave::math::isinteger(), and x.

extended_gcd() [3/3]

static double extended_gcd ( double  a, double  b, double &  x, double &  y  )

static

Definition at line 121 of file gcd.cc.

References error(), octave::math::floor(), octave::math::isinteger(), and x.

Referenced by do_extended_gcd().

Fgcd()

OCTAVE_EXPORT octave_value_list Fgcd	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 478 of file gcd.cc.

References Array< T >::assign(), do_extended_gcd(), do_simple_gcd(), octave_value::op_el_mul_eq, print_usage(), Array< T >::resize(), retval, and x.

simple_gcd() [1/3]

template<typename T >

static octave_int<T> simple_gcd ( const octave_int< T > &  a, const octave_int< T > &  b  )

static

Definition at line 105 of file gcd.cc.

References octave_int< T >::abs().

simple_gcd() [2/3]

template<typename FP >

static std::complex<FP> simple_gcd ( const std::complex< FP > &  a, const std::complex< FP > &  b  )

static

Definition at line 78 of file gcd.cc.

References abs(), divide(), error(), and octave::math::isinteger().

simple_gcd() [3/3]

static double simple_gcd ( double  a, double  b  )

static

Definition at line 42 of file gcd.cc.

References error(), and octave::math::isinteger().

Referenced by do_simple_gcd().