FreeNOS
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Compute prime numbers using the Sieve of Eratosthenes algorithm. More...
#include <SievePrime.h>
Public Member Functions | |
SievePrime (int argc, char **argv) | |
Constructor. More... | |
virtual | ~SievePrime () |
Destructor. More... | |
virtual Result | exec () |
Execute the application. More... | |
Public Member Functions inherited from POSIXApplication | |
POSIXApplication (int argc, char **argv) | |
Class constructor. More... | |
virtual | ~POSIXApplication () |
Class destructor. More... | |
Public Member Functions inherited from Application | |
Application (int argc, char **argv) | |
Class constructor. More... | |
virtual | ~Application () |
Class destructor. More... | |
virtual int | run () |
Run the application. More... | |
Protected Member Functions | |
Result | reportResult (const int n, const u8 *map, Size &resultsWritten, const Size offsetNumber=0) const |
Report the calculated results. More... | |
Result | searchSequential (const int n, u8 *map) const |
Perform sequential search for prime numbers. More... | |
Protected Member Functions inherited from POSIXApplication | |
virtual Result | output (const char *string) const |
Print text to output. More... | |
int | runProgram (const char *path, const char **argv) |
Runs an external program. More... | |
Protected Member Functions inherited from Application | |
virtual Result | initialize () |
Initialize the application. More... | |
virtual Result | output (String &string) const |
Print string to output. More... | |
ArgumentParser & | parser () |
Get program arguments parser. More... | |
const ArgumentParser & | parser () const |
Get constant program arguments parser. More... | |
const ArgumentContainer & | arguments () const |
Get program arguments. More... | |
void | setVersion (const String &version) |
Set program version. More... | |
Additional Inherited Members | |
Public Types inherited from Application | |
enum | Result { Success, NotFound, IOError, InvalidArgument, ShowUsage, TimedOut, OutOfMemory } |
Result codes. More... | |
Protected Attributes inherited from Application | |
int | m_argc |
Input argument count. More... | |
char ** | m_argv |
Input argument values. More... | |
Compute prime numbers using the Sieve of Eratosthenes algorithm.
Definition at line 31 of file SievePrime.h.
SievePrime::SievePrime | ( | int | argc, |
char ** | argv | ||
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Constructor.
Definition at line 27 of file SievePrime.cpp.
References Application::parser(), ArgumentParser::registerFlag(), ArgumentParser::registerPositional(), and ArgumentParser::setDescription().
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virtual |
Destructor.
Definition at line 35 of file SievePrime.cpp.
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virtual |
Execute the application.
Implements Application.
Reimplemented in MpiPrime.
Definition at line 39 of file SievePrime.cpp.
References Application::arguments(), atoi(), errno, ERROR, Application::IOError, malloc(), NULL, reportResult(), searchSequential(), sqrt(), strerror(), Application::Success, and write().
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protected |
Report the calculated results.
n | Maximum number to search for prime numbers |
map | Pointer to array with prime numbers |
resultsWritten | Number of results written to the output |
offsetNumber | Add this constant offset value to each result |
Definition at line 96 of file SievePrime.cpp.
References Application::arguments(), POSIXApplication::output(), Application::Success, and write().
Referenced by MpiPrime::collect(), and exec().
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protected |
Perform sequential search for prime numbers.
n | Maximum number to search for prime numbers |
map | Pointer to array with prime numbers marked |
Definition at line 132 of file SievePrime.cpp.
References Application::Success.
Referenced by exec(), and MpiPrime::searchParallel().