gr Namespace Reference

Include this header to use the message passing features. More...

Namespaces
namespace	analog
namespace	audio
namespace	blocks
namespace	channels
namespace	comedi
namespace	digital
namespace	fcd
namespace	fec
namespace	fft
namespace	filter
namespace	impl
namespace	messages
namespace	noaa
namespace	pager
namespace	qtgui
namespace	thread
namespace	trellis
namespace	uhd
namespace	video_sdl
namespace	vocoder
namespace	wavelet
namespace	wxgui
Classes
class	logger_config
	Class to control configuration of logger. This is a singleton that cna launch a thread to wathc a config file for changes. More...
class	logger
	Logger class for referencing loggers in python. Not needed in C++ (use macros) Wraps and manipulates loggers for python as python has no macros. More...
class	basic_block
	The abstract base class for all signal processing blocks.Basic blocks are the bare abstraction of an entity that has a name, a set of inputs and outputs, and a message queue. These are never instantiated directly; rather, this is the abstract parent class of both gr_hier_block, which is a recursive container, and block, which implements actual signal processing functions. More...
class	block
	The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed by creating a tree of hierarchical blocks, which at any level may also contain terminal nodes that actually implement signal processing functions. This is the base class for all such leaf nodes. More...
class	block_detail
	Implementation details to support the signal processing abstractionThis class contains implementation detail that should be "out of sight" of almost all users of GNU Radio. This decoupling also means that we can make changes to the guts without having to recompile everything. More...
struct	block_gw_message_type
class	block_gateway
class	block_registry
class	buffer
	Single writer, multiple reader fifo. More...
class	buffer_reader
	How we keep track of the readers of a gr::buffer. More...
class	feval_dd
	base class for evaluating a function: double -> doubleThis class is designed to be subclassed in Python or C++ and is callable from both places. It uses SWIG's "director" feature to implement the magic. More...
class	feval_cc
	base class for evaluating a function: complex -> complexThis class is designed to be subclassed in Python or C++ and is callable from both places. It uses SWIG's "director" feature to implement the magic. More...
class	feval_ll
	base class for evaluating a function: long -> longThis class is designed to be subclassed in Python or C++ and is callable from both places. It uses SWIG's "director" feature to implement the magic. More...
class	feval
	base class for evaluating a function: void -> voidThis class is designed to be subclassed in Python or C++ and is callable from both places. It uses SWIG's "director" feature to implement the magic. More...
class	feval_p
	base class for evaluating a function: pmt -> voidThis class is designed to be subclassed in Python or C++ and is callable from both places. It uses SWIG's "director" feature to implement the magic. More...
class	endpoint
	Class representing a specific input or output graph endpoint. More...
class	msg_endpoint
class	edge
	Class representing a connection between to graph endpoints. More...
class	msg_edge
	Class representing a msg connection between to graph msg endpoints. More...
class	flowgraph
	Class representing a directed, acyclic graph of basic blocks. More...
class	fxpt
	fixed point sine and cosine and friends.fixed pt radians More...
class	fxpt_nco
	Numerically Controlled Oscillator (NCO) More...
class	fxpt_vco
	Voltage Controlled Oscillator (VCO) More...
class	hier_block2
	Hierarchical container class for gr::block's and gr::hier_block2's. More...
class	io_signature
	i/o signature for input and output ports. More...
class	message
	Message class. More...
class	msg_accepter
	Accepts messages and inserts them into a message queue, then notifies subclass gr::basic_block there is a message pending. More...
class	msg_handler
	abstract class of message handlers More...
class	msg_queue
	thread-safe message queue More...
class	nco
	base class template for Numerically Controlled Oscillator (NCO) More...
class	prefs
	Base class for representing user preferences a la windows INI files.The real implementation is in Python, and is accessable from C++ via the magic of SWIG directors. More...
class	py_feval_dd
class	py_feval_cc
class	py_feval_ll
class	py_feval
class	py_feval_p
class	random
	pseudo random number generator More...
class	sync_block
	synchronous 1:1 input to output with historyOverride work to provide the signal processing implementation. More...
class	sync_decimator
	synchronous N:1 input to output with historyOverride work to provide the signal processing implementation. More...
class	sync_interpolator
	synchronous 1:N input to output with historyOverride work to provide the signal processing implementation. More...
struct	sys_pri
class	tagged_stream_block
	Block that operates on PDUs in form of tagged streamsOverride work to provide the signal processing implementation. More...
struct	tag_t
class	top_block
	Top-level hierarchical block representing a flowgraph. More...
struct	tpb_detail
	used by thread-per-block scheduler More...
Typedefs
typedef log4cpp::Category *	logger_ptr
	GR_LOG macrosThese macros wrap the standard LOG4CPP_LEVEL macros. The availablie macros are: LOG_DEBUG LOG_INFO LOG_WARN LOG_TRACE LOG_ERROR LOG_ALERT LOG_CRIT LOG_FATAL LOG_EMERG.
typedef std::vector < basic_block_sptr >	basic_block_vector_t
typedef std::vector < basic_block_sptr >::iterator	basic_block_viter_t
typedef std::vector< block_sptr >	block_vector_t
typedef std::vector < block_sptr >::iterator	block_viter_t
typedef std::vector< endpoint >	endpoint_vector_t
typedef std::vector< endpoint > ::iterator	endpoint_viter_t
typedef std::vector< edge >	edge_vector_t
typedef std::vector< edge > ::iterator	edge_viter_t
typedef std::vector< msg_edge >	msg_edge_vector_t
typedef std::vector< msg_edge > ::iterator	msg_edge_viter_t
typedef signed long long	high_res_timer_type
	Typedef for the timer tick count.
typedef std::map< std::string, std::map< std::string, std::string > >	config_map_t
typedef std::map< std::string, std::map< std::string, std::string > >::iterator	config_map_itr
typedef std::map< std::string, std::string >	config_map_elem_t
typedef std::map< std::string, std::string >::iterator	config_map_elem_itr
Enumerations
enum	block_gw_work_type { GR_BLOCK_GW_WORK_GENERAL, GR_BLOCK_GW_WORK_SYNC, GR_BLOCK_GW_WORK_DECIM, GR_BLOCK_GW_WORK_INTERP }
enum	tag_propagation_policy_t { TPP_DONT = 0, TPP_ALL_TO_ALL = 1, TPP_ONE_TO_ONE = 2 }
enum	endianness_t { GR_MSB_FIRST, GR_LSB_FIRST }
enum	rt_status_t { RT_OK = 0, RT_NOT_IMPLEMENTED, RT_NO_PRIVS, RT_OTHER_ERROR }
enum	rt_sched_policy { RT_SCHED_RR = 0, RT_SCHED_FIFO = 1 }
Functions
GR_RUNTIME_API logger_ptr	logger_get_logger (std::string name)
	Retrieve a pointer to a logger by name.
GR_RUNTIME_API bool	logger_load_config (const std::string &config_filename="")
	Load logger's configuration file.
GR_RUNTIME_API void	logger_reset_config (void)
	Reset logger's configuration file.
GR_RUNTIME_API void	logger_set_level (logger_ptr logger, const std::string &level)
	Set the logger's output level.
GR_RUNTIME_API void	logger_set_level (logger_ptr logger, log4cpp::Priority::Value level)
	Set the logger's output level.
GR_RUNTIME_API void	logger_get_level (logger_ptr logger, std::string &level)
	Get the logger's output level.
GR_RUNTIME_API void	logger_get_level (logger_ptr logger, log4cpp::Priority::Value &level)
	Get the logger's output level.
GR_RUNTIME_API void	logger_add_appender (logger_ptr logger, std::string appender)
	Add console appender to a given logger.
GR_RUNTIME_API void	logger_add_console_appender (logger_ptr logger, std::string target, std::string pattern)
	Add console appender to a given logger.
GR_RUNTIME_API void	logger_add_file_appender (logger_ptr logger, std::string filename, bool append, std::string pattern)
	Add file appender to a given logger.
GR_RUNTIME_API void	logger_add_rollingfile_appender (logger_ptr logger, std::string filename, size_t filesize, int bkup_index, bool append, mode_t mode, std::string pattern)
	Add rolling file appender to a given logger.
GR_RUNTIME_API std::vector < std::string >	logger_get_logger_names (void)
	Add rolling file appender to a given logger.
bool	operator< (basic_block_sptr lhs, basic_block_sptr rhs)
GR_RUNTIME_API long	basic_block_ncurrently_allocated ()
std::ostream &	operator<< (std::ostream &os, basic_block_sptr basic_block)
std::ostream &	operator<< (std::ostream &os, const block *m)
GR_RUNTIME_API block_detail_sptr	make_block_detail (unsigned int ninputs, unsigned int noutputs)
GR_RUNTIME_API long	block_detail_ncurrently_allocated ()
GR_RUNTIME_API buffer_sptr	make_buffer (int nitems, size_t sizeof_item, block_sptr link=block_sptr())
	Allocate a buffer that holds at least nitems of size sizeof_item.
GR_RUNTIME_API buffer_reader_sptr	buffer_add_reader (buffer_sptr buf, int nzero_preload, block_sptr link=block_sptr())
	Create a new gr::buffer_reader and attach it to buffer buf.
GR_RUNTIME_API long	buffer_ncurrently_allocated ()
	returns # of buffers currently allocated
GR_RUNTIME_API long	buffer_reader_ncurrently_allocated ()
	returns # of buffer_readers currently allocated
GR_RUNTIME_API const std::string	prefix ()
	return SYSCONFDIR. Typically ${CMAKE_INSTALL_PREFIX}/etc or /etc
GR_RUNTIME_API const std::string	sysconfdir ()
	return SYSCONFDIR. Typically ${CMAKE_INSTALL_PREFIX}/etc or /etc
GR_RUNTIME_API const std::string	prefsdir ()
	return preferences file directory. Typically ${SYSCONFDIR}/etc/conf.d
GR_RUNTIME_API const std::string	build_date ()
	return date/time of build, as set when 'cmake' is run
GR_RUNTIME_API const std::string	version ()
	return version string defined by cmake (GrVersion.cmake)
GR_RUNTIME_API double	feval_dd_example (feval_dd *f, double x)
	trivial examples / test cases showing C++ calling Python code
GR_RUNTIME_API gr_complex	feval_cc_example (feval_cc *f, gr_complex x)
GR_RUNTIME_API long	feval_ll_example (feval_ll *f, long x)
GR_RUNTIME_API void	feval_example (feval *f)
GR_RUNTIME_API flowgraph_sptr	make_flowgraph ()
std::ostream &	operator<< (std::ostream &os, const endpoint endp)
std::ostream &	operator<< (std::ostream &os, const edge edge)
std::ostream &	operator<< (std::ostream &os, const msg_endpoint endp)
std::ostream &	operator<< (std::ostream &os, const msg_edge edge)
GR_RUNTIME_API hier_block2_sptr	make_hier_block2 (const std::string &name, gr::io_signature::sptr input_signature, gr::io_signature::sptr output_signature)
	public constructor for hier_block2
high_res_timer_type	high_res_timer_now (void)
	Get the current time in ticks.
high_res_timer_type	high_res_timer_now_perfmon (void)
	Get the current time in ticks - for performance monitoring.
high_res_timer_type	high_res_timer_tps (void)
	Get the number of ticks per second.
high_res_timer_type	high_res_timer_epoch (void)
	Get the tick count at the epoch.
static bool	is_power_of_2 (long x)
GR_RUNTIME_API float	fast_atan2f (float y, float x)
	Fast arc tangent using table lookup and linear interpolation.
static float	fast_atan2f (gr_complex z)
static float	branchless_clip (float x, float clip)
static float	clip (float x, float clip)
static unsigned int	binary_slicer (float x)
static unsigned int	quad_45deg_slicer (float r, float i)
static unsigned int	quad_0deg_slicer (float r, float i)
static unsigned int	quad_45deg_slicer (gr_complex x)
static unsigned int	quad_0deg_slicer (gr_complex x)
static unsigned int	branchless_binary_slicer (float x)
static unsigned int	branchless_quad_0deg_slicer (float r, float i)
static unsigned int	branchless_quad_0deg_slicer (gr_complex x)
static unsigned int	branchless_quad_45deg_slicer (float r, float i)
static unsigned int	branchless_quad_45deg_slicer (gr_complex x)
static size_t	p2_round_down (size_t x, size_t pow2)
static size_t	p2_round_up (size_t x, size_t pow2)
static size_t	p2_modulo (size_t x, size_t pow2)
static size_t	p2_modulo_neg (size_t x, size_t pow2)
GR_RUNTIME_API long	message_ncurrently_allocated ()
GR_RUNTIME_API rt_status_t	enable_realtime_scheduling ()
	If possible, enable high-priority "real time" scheduling.
GR_RUNTIME_API void	sincos (double x, double *sin, double *cos)
GR_RUNTIME_API void	sincosf (float x, float *sin, float *cos)
GR_RUNTIME_API const char *	tmp_path ()
	directory to create temporary files
GR_RUNTIME_API const char *	appdata_path ()
	directory to store application data
GR_RUNTIME_API top_block_sptr	make_top_block (const std::string &name)

---

Detailed Description

Include this header to use the message passing features.

System independent way to ask for realtime scheduling.

See also:

sys_pri.h

---

Typedef Documentation

typedef std::vector<basic_block_sptr> gr::basic_block_vector_t

typedef std::vector<basic_block_sptr>::iterator gr::basic_block_viter_t

typedef std::vector<block_sptr> gr::block_vector_t

typedef std::vector<block_sptr>::iterator gr::block_viter_t

typedef std::map<std::string, std::string>::iterator gr::config_map_elem_itr

typedef std::map<std::string, std::string> gr::config_map_elem_t

typedef std::map< std::string, std::map<std::string, std::string> >::iterator gr::config_map_itr

typedef std::map< std::string, std::map<std::string, std::string> > gr::config_map_t

typedef std::vector<edge> gr::edge_vector_t

typedef std::vector<edge>::iterator gr::edge_viter_t

typedef std::vector<endpoint> gr::endpoint_vector_t

typedef std::vector<endpoint>::iterator gr::endpoint_viter_t

typedef signed long long gr::high_res_timer_type

Typedef for the timer tick count.

typedef log4cpp::Category* gr::logger_ptr

GR_LOG macrosThese macros wrap the standard LOG4CPP_LEVEL macros. The availablie macros are: LOG_DEBUG LOG_INFO LOG_WARN LOG_TRACE LOG_ERROR LOG_ALERT LOG_CRIT LOG_FATAL LOG_EMERG.

typedef std::vector<msg_edge> gr::msg_edge_vector_t

typedef std::vector<msg_edge>::iterator gr::msg_edge_viter_t

---

Enumeration Type Documentation

enum gr::block_gw_work_type

The work type enum tells the gateway what kind of block to implement. The choices are familiar gnuradio block overloads (sync, decim, interp).

Enumerator:

GR_BLOCK_GW_WORK_GENERAL
GR_BLOCK_GW_WORK_SYNC
GR_BLOCK_GW_WORK_DECIM
GR_BLOCK_GW_WORK_INTERP

enum gr::endianness_t

Enumerator:

GR_MSB_FIRST
GR_LSB_FIRST

enum gr::rt_sched_policy

Enumerator:

RT_SCHED_RR
RT_SCHED_FIFO

enum gr::rt_status_t

Enumerator:

RT_OK
RT_NOT_IMPLEMENTED
RT_NO_PRIVS
RT_OTHER_ERROR

enum gr::tag_propagation_policy_t

Enumerator:

TPP_DONT
TPP_ALL_TO_ALL
TPP_ONE_TO_ONE

---

Function Documentation

GR_RUNTIME_API const char* gr::appdata_path

(

)

directory to store application data

GR_RUNTIME_API long gr::basic_block_ncurrently_allocated

(

)

static unsigned int gr::binary_slicer

(

float

x

)

[inline, static]

GR_RUNTIME_API long gr::block_detail_ncurrently_allocated

(

)

static unsigned int gr::branchless_binary_slicer

(

float

x

)

[inline, static]

static float gr::branchless_clip	(	float	x,
		float	clip
	)		[inline, static]

static unsigned int gr::branchless_quad_0deg_slicer	(	float	r,
		float	i
	)		[inline, static]

Referenced by branchless_quad_0deg_slicer().

static unsigned int gr::branchless_quad_0deg_slicer

(

gr_complex

x

)

[inline, static]

References branchless_quad_0deg_slicer().

static unsigned int gr::branchless_quad_45deg_slicer	(	float	r,
		float	i
	)		[inline, static]

Referenced by branchless_quad_45deg_slicer().

static unsigned int gr::branchless_quad_45deg_slicer

(

gr_complex

x

)

[inline, static]

References branchless_quad_45deg_slicer().

GR_RUNTIME_API buffer_reader_sptr gr::buffer_add_reader	(	buffer_sptr	buf,
		int	nzero_preload,
		block_sptr	link = block_sptr()
	)

Create a new gr::buffer_reader and attach it to buffer buf.

Parameters:

buf	is the buffer the gr::buffer_reader reads from.
nzero_preload	-- number of zero items to "preload" into buffer.
link	is the block that reads from the buffer using this gr::buffer_reader.

GR_RUNTIME_API long gr::buffer_ncurrently_allocated

(

)

returns # of buffers currently allocated

GR_RUNTIME_API long gr::buffer_reader_ncurrently_allocated

(

)

returns # of buffer_readers currently allocated

GR_RUNTIME_API const std::string gr::build_date

(

)

return date/time of build, as set when 'cmake' is run

static float gr::clip	(	float	x,
		float	clip
	)		[inline, static]

static float gr::fast_atan2f

(

gr_complex

z

)

[inline, static]

References fast_atan2f().

GR_RUNTIME_API gr_complex gr::feval_cc_example	(	feval_cc *	f,
		gr_complex	x
	)

GR_RUNTIME_API double gr::feval_dd_example	(	feval_dd *	f,
		double	x
	)

trivial examples / test cases showing C++ calling Python code

GR_RUNTIME_API void gr::feval_example

(

feval *

f

)

GR_RUNTIME_API long gr::feval_ll_example	(	feval_ll *	f,
		long	x
	)

gr::high_res_timer_type gr::high_res_timer_epoch

(

void

)

[inline]

Get the tick count at the epoch.

References high_res_timer_now(), and high_res_timer_tps().

Referenced by TimeScaleData::setZeroTime().

gr::high_res_timer_type gr::high_res_timer_now

(

void

)

[inline]

Get the current time in ticks.

Referenced by high_res_timer_epoch(), and high_res_timer_now_perfmon().

gr::high_res_timer_type gr::high_res_timer_now_perfmon

(

void

)

[inline]

Get the current time in ticks - for performance monitoring.

References high_res_timer_now().

gr::high_res_timer_type gr::high_res_timer_tps

(

void

)

[inline]

Get the number of ticks per second.

Referenced by high_res_timer_epoch().

static bool gr::is_power_of_2

(

long

x

)

[inline, static]

GR_RUNTIME_API void gr::logger_add_appender	(	logger_ptr	logger,
		std::string	appender
	)

Add console appender to a given logger.

Add console appender to a given logger

Parameters:

logger	Logger to which appender will be added
appender	Name of appender to add to logger

GR_RUNTIME_API void gr::logger_add_console_appender	(	logger_ptr	logger,
		std::string	target,
		std::string	pattern
	)

Add console appender to a given logger.

Add console appender to a given logger

Parameters:

logger	Logger to which appender will be added
target	Std target to write 'cout' or 'cerr' (default is cout)
pattern	Formating pattern for log messages

GR_RUNTIME_API void gr::logger_add_file_appender	(	logger_ptr	logger,
		std::string	filename,
		bool	append,
		std::string	pattern
	)

Add file appender to a given logger.

Add file appender to a given logger

Parameters:

logger	Logger to which appender will be added
filename	File to which log will be written
append	Overwrite or append to log file
pattern	Formating pattern for log messages

GR_RUNTIME_API void gr::logger_add_rollingfile_appender	(	logger_ptr	logger,
		std::string	filename,
		size_t	filesize,
		int	bkup_index,
		bool	append,
		mode_t	mode,
		std::string	pattern
	)

Add rolling file appender to a given logger.

Add rolling file appender to a given logger

Parameters:

logger	Logger to which appender will be added
filename	File to which log will be written
filesize	Sizez of files to write
bkup_index	Number of files to write
append	Overwrite or append to log file
mode	Permissions to set on log file
pattern	Formating pattern for log messages

GR_RUNTIME_API void gr::logger_get_level	(	logger_ptr	logger,
		std::string &	level
	)

Get the logger's output level.

Gets the level of the logger. This returns a string that corresponds to the standard levels and can be (case insensitive):

• notset
• debug
• info
• notice
• warn
• error
• crit
• alert
• fatal
• emerg

Parameters:

logger	the logger to get the level of.
level	string to get the level into.

GR_RUNTIME_API void gr::logger_get_level	(	logger_ptr	logger,
		log4cpp::Priority::Value &	level
	)

Get the logger's output level.

Gets the level of the logger. This returns the actual Log4cpp::Level data type, which can be:

• log4cpp::Priority::NOTSET
• log4cpp::Priority::DEBUG
• log4cpp::Priority::INFO
• log4cpp::Priority::NOTICE
• log4cpp::Priority::WARN
• log4cpp::Priority::ERROR
• log4cpp::Priority::CRIT
• log4cpp::Priority::ALERT
• log4cpp::Priority::FATAL
• log4cpp::Priority::EMERG

Parameters:

logger	the logger to get the level of.
level	of the logger.

GR_RUNTIME_API logger_ptr gr::logger_get_logger

(

std::string

name

)

Retrieve a pointer to a logger by name.

Retrives a logger pointer name.

Parameters:

name	Name of the logger for which a pointer is requested

GR_RUNTIME_API std::vector<std::string> gr::logger_get_logger_names

(

void

)

Add rolling file appender to a given logger.

Add rolling file appender to a given logger

Returns:

vector of string names of loggers

GR_RUNTIME_API bool gr::logger_load_config

(

const std::string &

config_filename = ""

)

Load logger's configuration file.

Initialize the GNU Radio logger by loading the configuration file config_filename.

Parameters:

config_filename

The configuration file. Set to "" for the basic logger that outputs to the console.

GR_RUNTIME_API void gr::logger_reset_config

(

void

)

Reset logger's configuration file.

Remove all appenders from loggers

GR_RUNTIME_API void gr::logger_set_level	(	logger_ptr	logger,
		const std::string &	level
	)

Set the logger's output level.

Sets the level of the logger. This takes a string that is translated to the standard levels and can be (case insensitive):

• off , notset
• debug
• info
• notice
• warn
• error
• crit
• alert
• fatal
• emerg

Parameters:

logger	the logger to set the level of.
level	string to set the level to.

GR_RUNTIME_API void gr::logger_set_level	(	logger_ptr	logger,
		log4cpp::Priority::Value	level
	)

Set the logger's output level.

Sets the level of the logger. This takes the actual Log4cpp::Priority data type, which can be:

• log4cpp::Priority::NOTSET
• log4cpp::Priority::DEBUG
• log4cpp::Priority::INFO
• log4cpp::Priority::NOTICE
• log4cpp::Priority::WARN
• log4cpp::Priority::ERROR
• log4cpp::Priority::CRIT
• log4cpp::Priority::ALERT
• log4cpp::Priority::FATAL
• log4cpp::Priority::EMERG

Parameters:

logger	the logger to set the level of.
level	new logger level of type Log4cpp::Priority

GR_RUNTIME_API block_detail_sptr gr::make_block_detail	(	unsigned int	ninputs,
		unsigned int	noutputs
	)

GR_RUNTIME_API buffer_sptr gr::make_buffer	(	int	nitems,
		size_t	sizeof_item,
		block_sptr	link = block_sptr()
	)

Allocate a buffer that holds at least nitems of size sizeof_item.

The total size of the buffer will be rounded up to a system dependent boundary. This is typically the system page size, but under MS windows is 64KB.

Parameters:

nitems	is the minimum number of items the buffer will hold.
sizeof_item	is the size of an item in bytes.
link	is the block that writes to this buffer.

GR_RUNTIME_API flowgraph_sptr gr::make_flowgraph

(

)

GR_RUNTIME_API hier_block2_sptr gr::make_hier_block2	(	const std::string &	name,
		gr::io_signature::sptr	input_signature,
		gr::io_signature::sptr	output_signature
	)

public constructor for hier_block2

GR_RUNTIME_API top_block_sptr gr::make_top_block

(

const std::string &

name

)

GR_RUNTIME_API long gr::message_ncurrently_allocated

(

)

bool gr::operator<	(	basic_block_sptr	lhs,
		basic_block_sptr	rhs
	)		[inline]

std::ostream& gr::operator<<	(	std::ostream &	os,
		const endpoint	endp
	)		[inline]

References gr::endpoint::block(), and gr::endpoint::port().

std::ostream& gr::operator<<	(	std::ostream &	os,
		const edge	edge
	)		[inline]

References gr::edge::dst(), and gr::edge::src().

std::ostream& gr::operator<<	(	std::ostream &	os,
		const msg_endpoint	endp
	)		[inline]

References gr::msg_endpoint::block(), gr::msg_endpoint::port(), and pmt::symbol_to_string().

std::ostream& gr::operator<<	(	std::ostream &	os,
		const msg_edge	edge
	)		[inline]

References gr::msg_edge::dst(), and gr::msg_edge::src().

std::ostream& gr::operator<<	(	std::ostream &	os,
		basic_block_sptr	basic_block
	)		[inline]

std::ostream& gr::operator<<	(	std::ostream &	os,
		const block *	m
	)

static size_t gr::p2_modulo	(	size_t	x,
		size_t	pow2
	)		[inline, static]

Parameters:

x	any value
pow2	must be a power of 2

Returns:

x modulo pow2.

Referenced by p2_modulo_neg().

static size_t gr::p2_modulo_neg	(	size_t	x,
		size_t	pow2
	)		[inline, static]

Parameters:

x	any value
pow2	must be a power of 2

Returns:

pow2 - (x modulo pow2).

References p2_modulo().

static size_t gr::p2_round_down	(	size_t	x,
		size_t	pow2
	)		[inline, static]

Parameters:

x	any value
pow2	must be a power of 2

Returns:

x rounded down to a multiple of pow2.

Referenced by p2_round_up().

static size_t gr::p2_round_up	(	size_t	x,
		size_t	pow2
	)		[inline, static]

Parameters:

x	any value
pow2	must be a power of 2

Returns:

x rounded up to a multiple of pow2.

References p2_round_down().

GR_RUNTIME_API const std::string gr::prefix

(

)

return SYSCONFDIR. Typically ${CMAKE_INSTALL_PREFIX}/etc or /etc

GR_RUNTIME_API const std::string gr::prefsdir

(

)

return preferences file directory. Typically ${SYSCONFDIR}/etc/conf.d

static unsigned int gr::quad_0deg_slicer	(	float	r,
		float	i
	)		[inline, static]

Referenced by quad_0deg_slicer().

static unsigned int gr::quad_0deg_slicer

(

gr_complex

x

)

[inline, static]

References quad_0deg_slicer().

static unsigned int gr::quad_45deg_slicer	(	float	r,
		float	i
	)		[inline, static]

Referenced by quad_45deg_slicer().

static unsigned int gr::quad_45deg_slicer

(

gr_complex

x

)

[inline, static]

References quad_45deg_slicer().

GR_RUNTIME_API void gr::sincos	(	double	x,
		double *	sin,
		double *	cos
	)

GR_RUNTIME_API void gr::sincosf	(	float	x,
		float *	sin,
		float *	cos
	)

Referenced by gr_expj(), and gr::nco< o_type, i_type >::sincos().

GR_RUNTIME_API const std::string gr::sysconfdir

(

)

return SYSCONFDIR. Typically ${CMAKE_INSTALL_PREFIX}/etc or /etc

GR_RUNTIME_API const char* gr::tmp_path

(

)

directory to create temporary files

GR_RUNTIME_API const std::string gr::version

(

)

return version string defined by cmake (GrVersion.cmake)