t_cpu_i Class Reference

#include <cpu.h>

Public Member Functions
	t_cpu_i ()
bool	big_endian () const
bool	little_endian () const
sys_float	min_float () const
double	min_double () const
void	set_signal_handlers ()
void	set_nCPU (long n)
long	nCPU () const
void	set_used_nCPU (long n)
long	used_nCPU () const
bool	lgMPI () const
void	set_MPIMode (MPI_state mode)
MPI_state	MPIMode () const
void	set_nRANK (long n)
long	nRANK () const
bool	lgMaster () const
bool	lgMPI_talk () const
void	set_ExecName (const string &name)
void	disableBacktrace ()
void	enableBacktrace ()
void	GenerateBacktrace (void *ptr)
void	PrintBacktrace (const string &s, bool lgPrintSeed=true)
const string &	ExecName () const
const char *	host_name () const
void	printDataPath () const
string	chDirSeparator () const
void	appendDirSeparator (char *path) const
bool	firstOpen () const
bool	foundCSMismatch () const
const string &	chExitStatus (exit_type s) const
void	initPath ()

Private Member Functions
void	p_assertValidPath ()
void	enable_traps () const
void	getPathList (const string &fname, vector< string > &PathList, access_scheme scheme, bool lgRead) const
void	getchecksums (const string &fname)

Static Private Member Functions
static void	signal_handler (int sig, siginfo_t *, void *ptr)

Private Attributes
union {
char   c [4]
int32   i
}	endian
sys_float	test_float
double	test_double
int32	Float_SNaN_Value
int64	Double_SNaN_Value
long	n_avail_CPU
long	n_use_CPU
bool	p_lgMPI
MPI_state	p_MPIMode
long	n_rank
string	p_ExecName
vector< string >	chTraceback
char	HostName [STDLEN]
vector< string >	chSearchPath
string	p_chCloudyRoot
char	p_chDirSeparator
int	nFileDone
int	nCSMismatch
map< string, string >	checksum_expct
bool	lgPathInitialized
bool	p_suppressBacktrace
vector< string >	p_exit_status

Friends
FILE *	open_data (const string &fname, const string &mode, access_scheme scheme=AS_DEFAULT, string *rpath=nullptr)
void	open_data (fstream &stream, const string &fname, ios_base::openmode mode, access_scheme scheme=AS_DEFAULT, string *rpath=nullptr)
MPI_File	open_data (const string &fname, int mode, access_scheme scheme=AS_DEFAULT, string *rpath=nullptr)
void	check_data (const string &fpath, const string &fname)
void	set_NaN (sys_float &x)
void	set_NaN (sys_float x[], long n)
void	set_NaN (double &x)
void	set_NaN (double x[], long n)

Constructor & Destructor Documentation

t_cpu_i()

t_cpu_i::t_cpu_i

(

)

References big_endian(), DEBUG_ENTRY, Double_SNaN_Value, enable_traps(), endian, ES_BAD_ALLOC, ES_BAD_ASSERT, ES_BOTCHES, ES_BUS_ERROR, ES_CLOUDY_ABORT, ES_DOMAIN_ERROR, ES_FAILURE, ES_FP_EXCEPTION, ES_ILLEGAL_INSTRUCTION, ES_OUT_OF_RANGE, ES_SEGFAULT, ES_SUCCESS, ES_TOP, ES_UNKNOWN_EXCEPTION, ES_UNKNOWN_SIGNAL, ES_WARNINGS, Float_SNaN_Value, HostName, ioPrnErr, ioQQQ, ioStdin, lgPathInitialized, lgPrnErr, little_endian(), MS_DEFAULT, n_avail_CPU, n_rank, nCSMismatch, nFileDone, NULL, p_chDirSeparator, p_ExecName, p_exit_status, p_lgMPI, p_MPIMode, p_suppressBacktrace, set_signal_handlers(), STDLEN, test_double, and test_float.

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Member Function Documentation

appendDirSeparator()

void t_cpu_i::appendDirSeparator ( char * path ) const

inline

References i, and p_chDirSeparator.

big_endian()

bool t_cpu_i::big_endian ( ) const

inline

References endian.

Referenced by t_cpu_i().

chDirSeparator()

string t_cpu_i::chDirSeparator ( ) const

inline

References p_chDirSeparator.

chExitStatus()

const string & t_cpu_i::chExitStatus ( exit_type s ) const

inline

References p_exit_status.

disableBacktrace()

void t_cpu_i::disableBacktrace ( )

inline

References p_suppressBacktrace.

enable_traps()

void t_cpu_i::enable_traps ( ) const

private

Referenced by t_cpu_i().

enableBacktrace()

void t_cpu_i::enableBacktrace ( )

inline

References p_suppressBacktrace.

ExecName()

const string & t_cpu_i::ExecName ( ) const

inline

References p_ExecName.

firstOpen()

bool t_cpu_i::firstOpen ( ) const

inline

References nFileDone.

foundCSMismatch()

bool t_cpu_i::foundCSMismatch ( ) const

inline

References nCSMismatch.

GenerateBacktrace()

void t_cpu_i::GenerateBacktrace

(

void *

ptr

)

getchecksums()

void t_cpu_i::getchecksums ( const string & fname )

private

References checksum_expct, DEBUG_ENTRY, FindAndReplace(), mode_r, open_data, and p_chDirSeparator.

Referenced by initPath().

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getPathList()

void t_cpu_i::getPathList ( const string & fname, vector< string > & PathList, access_scheme scheme, bool lgRead ) const

private

References AS_LOCAL_ONLY, AS_LOCAL_ONLY_TRY, cdEXIT, chSearchPath, DEBUG_ENTRY, EXIT_FAILURE, fprintf(), i, ioQQQ, and p_chDirSeparator.

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host_name()

const char * t_cpu_i::host_name ( ) const

inline

References HostName.

initPath()

void t_cpu_i::initPath

(

)

References chSearchPath, DEBUG_ENTRY, FindAndReplace(), getchecksums(), lgPathInitialized, NULL, p_chCloudyRoot, p_chDirSeparator, Split(), and SPM_RELAX.

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lgMaster()

bool t_cpu_i::lgMaster ( ) const

inline

References n_rank.

Referenced by lgMPI_talk().

lgMPI()

bool t_cpu_i::lgMPI ( ) const

inline

References p_lgMPI.

lgMPI_talk()

bool t_cpu_i::lgMPI_talk ( ) const

inline

References lgMaster(), MS_GRID, and p_MPIMode.

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little_endian()

bool t_cpu_i::little_endian ( ) const

inline

References endian.

Referenced by t_cpu_i().

min_double()

double t_cpu_i::min_double ( ) const

inline

References test_double.

min_float()

sys_float t_cpu_i::min_float ( ) const

inline

References test_float.

MPIMode()

MPI_state t_cpu_i::MPIMode ( ) const

inline

References p_MPIMode.

nCPU()

long t_cpu_i::nCPU ( ) const

inline

References n_avail_CPU.

nRANK()

long t_cpu_i::nRANK ( ) const

inline

References n_rank.

p_assertValidPath()

void t_cpu_i::p_assertValidPath ( )

private

aborts if search path is not set up

References EXIT_FAILURE, fprintf(), and lgPathInitialized.

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PrintBacktrace()

void t_cpu_i::PrintBacktrace	(	const string &	s,
		bool	lgPrintSeed = true )

References chTraceback, fprintf(), i, ioQQQ, and ran.

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printDataPath()

void t_cpu_i::printDataPath

(

)

const

References chSearchPath, fprintf(), i, ioQQQ, and lgPathInitialized.

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set_ExecName()

void t_cpu_i::set_ExecName ( const string & name )

inline

References p_ExecName.

set_MPIMode()

void t_cpu_i::set_MPIMode ( MPI_state mode )

inline

References p_MPIMode.

set_nCPU()

void t_cpu_i::set_nCPU ( long n )

inline

References n_avail_CPU.

set_nRANK()

void t_cpu_i::set_nRANK ( long n )

inline

References n_rank.

set_signal_handlers()

void t_cpu_i::set_signal_handlers

(

)

References DEBUG_ENTRY, NULL, and signal_handler().

Referenced by t_cpu_i().

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set_used_nCPU()

void t_cpu_i::set_used_nCPU ( long n )

inline

References n_use_CPU.

signal_handler()

void t_cpu_i::signal_handler ( int sig, siginfo_t * , void * ptr )

staticprivate

References cpu, and signal_handler().

Referenced by set_signal_handlers(), and signal_handler().

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used_nCPU()

long t_cpu_i::used_nCPU ( ) const

inline

References n_use_CPU.

Friends And Related Symbol Documentation

check_data

void check_data ( const string & fpath, const string & fname )

friend

References cpu, DEBUG_ENTRY, fprintf(), Singleton< t_version >::Inst(), ioQQQ, NULL, prt, sys_fopen(), and VHstream().

open_data [1/3]

FILE * open_data ( const string & fname, const string & mode, access_scheme scheme = AS_DEFAULT, string * rpath = nullptr )

friend

References AS_DEFAULT, AS_LOCAL_ONLY, AS_OPTIONAL, check_data(), check_mult_path(), cpu, DEBUG_ENTRY, ErrorMessage(), NULL, and sys_fopen().

Referenced by getchecksums().

open_data [2/3]

MPI_File open_data ( const string & fname, int mode, access_scheme scheme = AS_DEFAULT, string * rpath = nullptr )

friend

References AS_DEFAULT, AS_LOCAL_ONLY, AS_OPTIONAL, check_data(), check_mult_path(), cpu, DEBUG_ENTRY, ErrorMessage(), MPI_ERR_INTERN, MPI_FILE_NULL, MPI_File_open, mpi_mode_r, and MPI_SUCCESS.

open_data [3/3]

void open_data ( fstream & stream, const string & fname, ios_base::openmode mode, access_scheme scheme = AS_DEFAULT, string * rpath = nullptr )

friend

References AS_DEFAULT, AS_LOCAL_ONLY, AS_OPTIONAL, ASSERT, check_data(), check_mult_path(), cpu, DEBUG_ENTRY, and ErrorMessage().

set_NaN [1/4]

void set_NaN ( double & x )

friend

References cpu.

set_NaN [2/4]

void set_NaN ( double x[], long n )

friend

References cpu, and i.

set_NaN [3/4]

void set_NaN ( sys_float & x )

friend

define routines for setting single and double precision signaling NaN The bit pattern for an SNaN is implementation defined, but this should work on most modern CPU's. The system definition is preferred, so in C++ this should be replaced by numeric_limits<TYPE>::signaling_NaN()

set_NaN - set variable or array to SNaN

References cpu.

set_NaN [4/4]

void set_NaN ( sys_float x[], long n )

friend

References cpu, and i.

Member Data Documentation

c

char t_cpu_i::c[4]

checksum_expct

map<string,string> t_cpu_i::checksum_expct

private

the map of the checksums of all the data files

Referenced by getchecksums().

chSearchPath

vector<string> t_cpu_i::chSearchPath

private

the default search path to the data files

Referenced by getPathList(), initPath(), and printDataPath().

chTraceback

vector<string> t_cpu_i::chTraceback

private

the generated traceback will be stored here to be printed later

Referenced by PrintBacktrace().

Double_SNaN_Value

int64 t_cpu_i::Double_SNaN_Value

private

Referenced by t_cpu_i().

[union]

union { ... } t_cpu_i::endian

alias an int32 to 4 chars to test if we are on a big-endian or little-endian CPU the array cpu.endian.c[] is initialized in cdInit()

Referenced by big_endian(), little_endian(), and t_cpu_i().

Float_SNaN_Value

int32 t_cpu_i::Float_SNaN_Value

private

Referenced by t_cpu_i().

HostName

char t_cpu_i::HostName[STDLEN]

private

the name of the computer, not detected on all systems

Referenced by host_name(), and t_cpu_i().

i

int32 t_cpu_i::i

Referenced by appendDirSeparator(), getPathList(), PrintBacktrace(), printDataPath(), set_NaN, and set_NaN.

lgPathInitialized

bool t_cpu_i::lgPathInitialized

private

is the search path initialized?

Referenced by initPath(), p_assertValidPath(), printDataPath(), and t_cpu_i().

n_avail_CPU

long t_cpu_i::n_avail_CPU

private

the number of available CPUs on the system, not detected on all systems

Referenced by nCPU(), set_nCPU(), and t_cpu_i().

n_rank

long t_cpu_i::n_rank

private

the rank number in an MPI run, -1 otherwise

Referenced by lgMaster(), nRANK(), set_nRANK(), and t_cpu_i().

n_use_CPU

long t_cpu_i::n_use_CPU

private

the number of used CPUs

Referenced by set_used_nCPU(), and used_nCPU().

nCSMismatch

int t_cpu_i::nCSMismatch

private

how many modified data files were found?

Referenced by foundCSMismatch(), and t_cpu_i().

nFileDone

int t_cpu_i::nFileDone

private

how many data files have been opened?

Referenced by firstOpen(), and t_cpu_i().

p_chCloudyRoot

string t_cpu_i::p_chCloudyRoot

private

the path to the root of the Cloudy installation

Referenced by initPath().

p_chDirSeparator

char t_cpu_i::p_chDirSeparator

private

the directory separator character for this OS

Referenced by appendDirSeparator(), chDirSeparator(), getchecksums(), getPathList(), initPath(), and t_cpu_i().

p_ExecName

string t_cpu_i::p_ExecName

private

command used to start up Cloudy

Referenced by ExecName(), set_ExecName(), and t_cpu_i().

p_exit_status

vector<string> t_cpu_i::p_exit_status

private

Referenced by chExitStatus(), and t_cpu_i().

p_lgMPI

bool t_cpu_i::p_lgMPI

private

flag whether we are doing an MPI run or not

Referenced by lgMPI(), and t_cpu_i().

p_MPIMode

MPI_state t_cpu_i::p_MPIMode

private

flag indicating whether each rank runs its own model true means that each rank runs a different sim (e.g. in a grid) false means that all ranks cooperate on the same sim this flag is moot in a non-MPI run

Referenced by lgMPI_talk(), MPIMode(), set_MPIMode(), and t_cpu_i().

p_suppressBacktrace

bool t_cpu_i::p_suppressBacktrace

private

option to suppress backtrace

Referenced by disableBacktrace(), enableBacktrace(), and t_cpu_i().

test_double

double t_cpu_i::test_double

private

Referenced by min_double(), and t_cpu_i().

test_float

sys_float t_cpu_i::test_float

private

Referenced by min_float(), and t_cpu_i().

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The documentation for this class was generated from the following files:

• cpu.h
• cpu.cpp