rlPlcMem Class Reference

#include <rlplc.h>

List of all members.

Public Member Functions
	rlPlcMem ()
virtual	~rlPlcMem ()
void	rememberState ()
int	intChanged ()
int	floatChanged ()
int	doubleChanged ()
int	intHasIncreased ()
int	floatHasIncreased ()
int	doubleHasIncreased ()
int	intHasDecreased ()
int	floatHasDecreased ()
int	doubleHasDecreased ()
int	deltaInt ()
float	deltaFloat ()
double	deltaDouble ()
void	set (int bit)
void	clear (int bit)
int	isSet (int bit)
int	isClear (int bit)
int	hasBeenSet (int bit)
int	hasBeenCleared (int bit)
Public Attributes
int	i
int	i_old
float	f
float	f_old
double	d
double	d_old

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Detailed Description

Definition at line 56 of file rlplc.h.

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Constructor & Destructor Documentation

rlPlcMem::rlPlcMem

(

)

Definition at line 204 of file rlplc.cpp.

{
  i     = 0;
  i_old = 0;
  f     = 0.0f;
  f_old = 0.0f;
  d     = 0.0;
  d_old = 0.0;
}

rlPlcMem::~rlPlcMem

(

)

[virtual]

Definition at line 214 of file rlplc.cpp.

{
}

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Member Function Documentation

void rlPlcMem::clear

(

int

bit

)

Definition at line 299 of file rlplc.cpp.

{
  i = i & ~bit;
}

double rlPlcMem::deltaDouble

(

)

Definition at line 289 of file rlplc.cpp.

{
  return d - d_old;
}

float rlPlcMem::deltaFloat

(

)

Definition at line 284 of file rlplc.cpp.

{
  return f - f_old;
}

int rlPlcMem::deltaInt

(

)

Definition at line 279 of file rlplc.cpp.

{
  return i - i_old;
}

int rlPlcMem::doubleChanged

(

)

Definition at line 237 of file rlplc.cpp.

{
  if(d == d_old) return 0;
  else           return 1;
}

int rlPlcMem::doubleHasDecreased

(

)

Definition at line 273 of file rlplc.cpp.

{
  if(d < d_old) return 1;
  else          return 0;
}

int rlPlcMem::doubleHasIncreased

(

)

Definition at line 255 of file rlplc.cpp.

{
  if(d > d_old) return 1;
  else          return 0;
}

int rlPlcMem::floatChanged

(

)

Definition at line 231 of file rlplc.cpp.

{
  if(f == f_old) return 0;
  else           return 1;
}

int rlPlcMem::floatHasDecreased

(

)

Definition at line 267 of file rlplc.cpp.

{
  if(f < f_old) return 1;
  else          return 0;
}

int rlPlcMem::floatHasIncreased

(

)

Definition at line 249 of file rlplc.cpp.

{
  if(f > f_old)  return 1;
  else           return 0;
}

int rlPlcMem::hasBeenCleared

(

int

bit

)

Definition at line 326 of file rlplc.cpp.

{
  if((i & bit) == 0) // is bit clear ?
  {
    if((i_old & bit) == 0) return 0; // both are clear
    else                   return 1; // old one was set
  }
  return 0;
}

int rlPlcMem::hasBeenSet

(

int

bit

)

Definition at line 316 of file rlplc.cpp.

{
  if(i & bit) // is bit set ?
  {
    if(i_old & bit) return 0; // both are set
    else            return 1; // old one was not set
  }
  return 0;
}

int rlPlcMem::intChanged

(

)

Definition at line 225 of file rlplc.cpp.

{
  if(i == i_old) return 0;
  else           return 1;
}

int rlPlcMem::intHasDecreased

(

)

Definition at line 261 of file rlplc.cpp.

{
  if(i < i_old) return 1;
  else          return 0;
}

int rlPlcMem::intHasIncreased

(

)

Definition at line 243 of file rlplc.cpp.

{
  if(i > i_old)  return 1;
  else           return 0;
}

int rlPlcMem::isClear

(

int

bit

)

Definition at line 310 of file rlplc.cpp.

{
  if(i & bit) return 0;
  else        return 1;
}

int rlPlcMem::isSet

(

int

bit

)

Definition at line 304 of file rlplc.cpp.

{
  if(i & bit) return 1;
  else        return 0;
}

void rlPlcMem::rememberState

(

)

Definition at line 218 of file rlplc.cpp.

{
  i_old = i;
  f_old = f;
  d_old = d;
}

void rlPlcMem::set

(

int

bit

)

Definition at line 294 of file rlplc.cpp.

{
  i = i | bit;
}

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Member Data Documentation

double rlPlcMem::d

Definition at line 63 of file rlplc.h.

double rlPlcMem::d_old

Definition at line 63 of file rlplc.h.

float rlPlcMem::f

Definition at line 62 of file rlplc.h.

float rlPlcMem::f_old

Definition at line 62 of file rlplc.h.

int rlPlcMem::i

Definition at line 61 of file rlplc.h.

int rlPlcMem::i_old

Definition at line 61 of file rlplc.h.

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

• rlplc.h
• rlplc.cpp