util.h File Reference

This graph shows which files directly or indirectly include this file:

Macros
#define	_qrcode_util_H
#define	QR_CLAMP255(_x)
#define	QR_CLAMPI(_a, _b, _c)
#define	QR_COPYSIGNI(_a, _b)
#define	QR_DIVROUND(_x, _y)
#define	QR_EXTMUL(_a, _b, _r)
#define	QR_FIXMUL(_a, _b, _r, _s)
#define	QR_FLIPSIGNI(_a, _b)
#define	QR_ILOG(_v)
#define	QR_ILOG0(_v)
#define	QR_ILOG1(_v)
#define	QR_ILOG2(_v)
#define	QR_ILOG3(_v)
#define	QR_ILOG4(_v)
#define	QR_MAXI(_a, _b)
#define	QR_MINI(_a, _b)
#define	QR_SIGNI(_x)
#define	QR_SIGNMASK(_x)
#define	QR_SORT2I(_a, _b)

Functions
unsigned	qr_ihypot (int _x, int _y)
int	qr_ilog (unsigned _val)
unsigned	qr_isqrt (unsigned _val)

Macro Definition Documentation

#define _qrcode_util_H

#define QR_CLAMP255

(

_x

)

#define QR_CLAMPI	(		_a,
			_b,
			_c
	)

Referenced by qr_img_get_bit(), qr_sampling_grid_clear(), and qr_sampling_grid_init().

#define QR_COPYSIGNI	(		_a,
			_b
	)

#define QR_DIVROUND	(		_x,
			_y
	)

Referenced by qr_aff_init(), qr_aff_line_step(), qr_alignment_pattern_search(), qr_finder_estimate_module_size_and_version(), qr_hom_cell_fproject(), qr_hom_cell_init(), qr_hom_fit(), qr_hom_fproject(), qr_hom_unproject(), and qr_line_isect().

#define QR_EXTMUL	(		_a,
			_b,
			_r
	)

Referenced by qr_hom_fit(), and qr_hom_init().

#define QR_FIXMUL	(		_a,
			_b,
			_r,
			_s
	)

Referenced by qr_hom_cell_init(), and qr_hom_init().

#define QR_FLIPSIGNI	(		_a,
			_b
	)

Referenced by qr_hom_cell_init().

#define QR_ILOG

(

_v

)

#define QR_ILOG0

(

_v

)

#define QR_ILOG1

(

_v

)

#define QR_ILOG2

(

_v

)

#define QR_ILOG3

(

_v

)

#define QR_ILOG4

(

_v

)

#define QR_MAXI	(		_a,
			_b
	)

Referenced by qr_aff_line_step(), qr_alignment_pattern_search(), qr_binarize(), qr_code_data_list_extract_text(), qr_hom_cell_init(), qr_hom_fit(), qr_hom_init(), qr_ihypot(), qr_line_fit(), qr_line_fit_finder_pair(), qr_line_fit_points(), qr_reader_try_configuration(), and qr_sampling_grid_init().

#define QR_MINI	(		_a,
			_b
	)

Referenced by qr_binarize(), qr_finder_centers_locate(), qr_hom_fit(), qr_line_fit_points(), qr_samples_unpack(), and qr_sampling_grid_init().

#define QR_SIGNI

(

_x

)

#define QR_SIGNMASK

(

_x

)

Referenced by qr_hom_fit().

#define QR_SORT2I	(		_a,
			_b
	)

Referenced by qr_sampling_grid_init().

Function Documentation

unsigned qr_ihypot	(	int	_x,
		int	_y
	)

References qr_ilog(), QR_MAXI, x, and y.

Referenced by qr_line_fit().

Here is the call graph for this function:

Here is the caller graph for this function:

int qr_ilog

(

unsigned

_val

)

References main(), and qr_isqrt().

Referenced by qr_aff_line_step(), qr_hom_cell_init(), qr_hom_fit(), qr_hom_init(), qr_ihypot(), qr_img_get_bit(), qr_line_fit(), qr_line_fit_points(), and qr_reader_try_configuration().

Here is the call graph for this function:

unsigned qr_isqrt

(

unsigned

_val

)

References g.

Referenced by qr_finder_ransac(), and qr_ilog().

Here is the caller graph for this function: