casacore
Public Types | Public Member Functions | Static Public Member Functions | Private Member Functions | Static Private Member Functions | Private Attributes | List of all members
casacore::TableExprFuncNode Class Reference

Class representing a function in table select expression. More...

#include <ExprFuncNode.h>

Public Types

enum  FunctionType {
  piFUNC,
  eFUNC,
  cFUNC,
  near2FUNC,
  near3FUNC,
  nearabs2FUNC,
  nearabs3FUNC,
  sinFUNC,
  sinhFUNC,
  cosFUNC,
  coshFUNC,
  expFUNC,
  logFUNC,
  log10FUNC,
  sqrtFUNC,
  powFUNC,
  conjFUNC,
  squareFUNC,
  cubeFUNC,
  minFUNC,
  maxFUNC,
  normFUNC,
  absFUNC,
  argFUNC,
  realFUNC,
  imagFUNC,
  intFUNC,
  asinFUNC,
  acosFUNC,
  atanFUNC,
  atan2FUNC,
  tanFUNC,
  tanhFUNC,
  signFUNC,
  roundFUNC,
  floorFUNC,
  ceilFUNC,
  fmodFUNC,
  complexFUNC,
  arrsumFUNC,
  arrsumsFUNC,
  arrproductFUNC,
  arrproductsFUNC,
  arrsumsqrFUNC,
  arrsumsqrsFUNC,
  arrminFUNC,
  arrminsFUNC,
  runminFUNC,
  boxminFUNC,
  arrmaxFUNC,
  arrmaxsFUNC,
  runmaxFUNC,
  boxmaxFUNC,
  arrmeanFUNC,
  arrmeansFUNC,
  runmeanFUNC,
  boxmeanFUNC,
  arrvarianceFUNC,
  arrvariancesFUNC,
  runvarianceFUNC,
  boxvarianceFUNC,
  arrstddevFUNC,
  arrstddevsFUNC,
  runstddevFUNC,
  boxstddevFUNC,
  arravdevFUNC,
  arravdevsFUNC,
  runavdevFUNC,
  boxavdevFUNC,
  arrrmsFUNC,
  arrrmssFUNC,
  runrmsFUNC,
  boxrmsFUNC,
  arrmedianFUNC,
  arrmediansFUNC,
  runmedianFUNC,
  boxmedianFUNC,
  arrfractileFUNC,
  arrfractilesFUNC,
  anyFUNC,
  anysFUNC,
  runanyFUNC,
  boxanyFUNC,
  allFUNC,
  allsFUNC,
  runallFUNC,
  boxallFUNC,
  ntrueFUNC,
  ntruesFUNC,
  nfalseFUNC,
  nfalsesFUNC,
  arrayFUNC,
  transposeFUNC,
  resizeFUNC,
  isnanFUNC,
  isinfFUNC,
  isfiniteFUNC,
  isdefFUNC,
  ndimFUNC,
  nelemFUNC,
  shapeFUNC,
  strlengthFUNC,
  upcaseFUNC,
  downcaseFUNC,
  capitalizeFUNC,
  trimFUNC,
  ltrimFUNC,
  rtrimFUNC,
  substrFUNC,
  replaceFUNC,
  regexFUNC,
  patternFUNC,
  sqlpatternFUNC,
  datetimeFUNC,
  mjdtodateFUNC,
  mjdFUNC,
  dateFUNC,
  timeFUNC,
  yearFUNC,
  monthFUNC,
  dayFUNC,
  cmonthFUNC,
  weekdayFUNC,
  cdowFUNC,
  weekFUNC,
  ctodFUNC,
  cdateFUNC,
  ctimeFUNC,
  stringFUNC,
  hmsFUNC,
  dmsFUNC,
  hdmsFUNC,
  randFUNC,
  rownrFUNC,
  rowidFUNC,
  iifFUNC,
  angdistFUNC,
  angdistxFUNC,
  conesFUNC,
  cones3FUNC,
  anyconeFUNC,
  anycone3FUNC,
  findconeFUNC,
  findcone3FUNC,
  FirstAggrFunc,
  countallFUNC,
  gcountFUNC,
  gfirstFUNC,
  glastFUNC,
  gminFUNC,
  gmaxFUNC,
  gsumFUNC,
  gproductFUNC,
  gsumsqrFUNC,
  gmeanFUNC,
  gvarianceFUNC,
  gstddevFUNC,
  grmsFUNC,
  ganyFUNC,
  gallFUNC,
  gntrueFUNC,
  gnfalseFUNC,
  FirstAggrArrayFunc,
  gminsFUNC,
  gmaxsFUNC,
  gsumsFUNC,
  gproductsFUNC,
  gsumsqrsFUNC,
  gmeansFUNC,
  gvariancesFUNC,
  gstddevsFUNC,
  grmssFUNC,
  ganysFUNC,
  gallsFUNC,
  gntruesFUNC,
  gnfalsesFUNC,
  LastAggrArrayFunc,
  ghistFUNC,
  gaggrFUNC,
  growidFUNC,
  gmedianFUNC,
  gfractileFUNC,
  gexpridFUNC,
  NRFUNC
}
 
- Public Types inherited from casacore::TableExprNodeRep
enum  NodeDataType {
  NTBool,
  NTInt,
  NTDouble,
  NTComplex,
  NTString,
  NTRegex,
  NTDate,
  NTReal,
  NTDouCom,
  NTNumeric,
  NTAny
}
 Define the data types of a node. More...
 
enum  ValueType {
  VTScalar,
  VTArray,
  VTRecord,
  VTSetElem,
  VTSet,
  VTIndex
}
 Define the value types. More...
 
enum  OperType {
  OtPlus,
  OtMinus,
  OtTimes,
  OtDivide,
  OtModulo,
  OtBitAnd,
  OtBitOr,
  OtBitXor,
  OtBitNegate,
  OtEQ,
  OtGE,
  OtGT,
  OtNE,
  OtIN,
  OtAND,
  OtOR,
  OtNOT,
  OtMIN,
  OtColumn,
  OtField,
  OtLiteral,
  OtFunc,
  OtSlice,
  OtUndef,
  OtRownr,
  OtRandom
}
 Define the operator types. More...
 
enum  ArgType {
  NoArr,
  ArrArr,
  ArrSca,
  ScaArr
}
 Define the value types of the 2 arguments when arrays are involved. More...
 
enum  ExprType {
  Constant,
  Variable
}
 Define (sub-)expression type. More...
 

Public Member Functions

 TableExprFuncNode (FunctionType, NodeDataType, ValueType, const TableExprNodeSet &source)
 Constructor. More...
 
 ~TableExprFuncNode ()
 Destructor. More...
 
Bool getBool (const TableExprId &id)
 'get' Functions to get the desired result of a function More...
 
Int64 getInt (const TableExprId &id)
 
Double getDouble (const TableExprId &id)
 
DComplex getDComplex (const TableExprId &id)
 
String getString (const TableExprId &id)
 
TaqlRegex getRegex (const TableExprId &id)
 
MVTime getDate (const TableExprId &id)
 
void setScale (Double scale)
 Set unit scale factor (needed for sqrt). More...
 
Double getScale () const
 Get possible unit scale factor (needed for sqrt). More...
 
const PtrBlock< TableExprNodeRep * > & operands () const
 Some functions to be used by TableExprNodeFuncArray. More...
 
PtrBlock< TableExprNodeRep * > & rwOperands ()
 
FunctionType funcType () const
 
NodeDataType argDataType () const
 
- Public Member Functions inherited from casacore::TableExprNodeMulti
 TableExprNodeMulti (NodeDataType, ValueType, OperType, const TableExprNodeRep &source)
 Constructor. More...
 
virtual ~TableExprNodeMulti ()
 Destructor. More...
 
virtual void show (ostream &, uInt indent) const
 Show the expression tree. More...
 
virtual void getAggrNodes (vector< TableExprNodeRep *> &aggr)
 Get the nodes representing an aggregate function. More...
 
virtual void getColumnNodes (vector< TableExprNodeRep *> &cols)
 Get the nodes representing a table column. More...
 
const PtrBlock< TableExprNodeRep * > & getChildren () const
 Get the child nodes. More...
 
- Public Member Functions inherited from casacore::TableExprNodeRep
 TableExprNodeRep (NodeDataType, ValueType, OperType, ArgType, ExprType, Int ndim, const IPosition &shape, const Table &table)
 Construct a node. More...
 
 TableExprNodeRep (NodeDataType, ValueType, OperType, const Table &)
 This constructor is called from the derived TableExprNodeRep. More...
 
 TableExprNodeRep (const TableExprNodeRep &)
 Copy constructor. More...
 
virtual ~TableExprNodeRep ()
 The destructor deletes all the underlying TableExprNode objects. More...
 
TableExprNodeReplink ()
 Link to this object, i.e. More...
 
virtual void disableApplySelection ()
 Do not apply the selection. More...
 
virtual void applySelection (const Vector< uInt > &rownrs)
 Re-create the column object for a selection of rows. More...
 
virtual Double getUnitFactor () const
 Get the unit conversion factor. More...
 
virtual CountedPtr< TableExprGroupFuncBasemakeGroupAggrFunc ()
 Create the correct immediate aggregate function object. More...
 
virtual Bool isLazyAggregate () const
 Is the aggregate function a lazy or an immediate one? The default implementation returns True (because all UDF aggregate functions have to be lazy). More...
 
virtual Array< BoolgetArrayBool (const TableExprId &id)
 Get an array value for this node in the given row. More...
 
virtual Array< Int64getArrayInt (const TableExprId &id)
 
virtual Array< DoublegetArrayDouble (const TableExprId &id)
 
virtual Array< DComplex > getArrayDComplex (const TableExprId &id)
 
virtual Array< StringgetArrayString (const TableExprId &id)
 
virtual Array< MVTimegetArrayDate (const TableExprId &id)
 
void get (const TableExprId &id, Bool &value)
 General get functions for template purposes. More...
 
void get (const TableExprId &id, Int64 &value)
 
void get (const TableExprId &id, Double &value)
 
void get (const TableExprId &id, DComplex &value)
 
void get (const TableExprId &id, MVTime &value)
 
void get (const TableExprId &id, String &value)
 
void get (const TableExprId &id, Array< Bool > &value)
 
void get (const TableExprId &id, Array< Int64 > &value)
 
void get (const TableExprId &id, Array< Double > &value)
 
void get (const TableExprId &id, Array< DComplex > &value)
 
void get (const TableExprId &id, Array< MVTime > &value)
 
void get (const TableExprId &id, Array< String > &value)
 
Array< BoolgetBoolAS (const TableExprId &id)
 Get a value as an array, even it it is a scalar. More...
 
Array< Int64getIntAS (const TableExprId &id)
 
Array< DoublegetDoubleAS (const TableExprId &id)
 
Array< DComplex > getDComplexAS (const TableExprId &id)
 
Array< StringgetStringAS (const TableExprId &id)
 
Array< MVTimegetDateAS (const TableExprId &id)
 
virtual Bool hasBool (const TableExprId &id, Bool value)
 Does a value occur in an array or set? The default implementation tests if it is in an array. More...
 
virtual Bool hasInt (const TableExprId &id, Int64 value)
 
virtual Bool hasDouble (const TableExprId &id, Double value)
 
virtual Bool hasDComplex (const TableExprId &id, const DComplex &value)
 
virtual Bool hasString (const TableExprId &id, const String &value)
 
virtual Bool hasDate (const TableExprId &id, const MVTime &value)
 
virtual Array< BoolhasArrayBool (const TableExprId &id, const Array< Bool > &value)
 
virtual Array< BoolhasArrayInt (const TableExprId &id, const Array< Int64 > &value)
 
virtual Array< BoolhasArrayDouble (const TableExprId &id, const Array< Double > &value)
 
virtual Array< BoolhasArrayDComplex (const TableExprId &id, const Array< DComplex > &value)
 
virtual Array< BoolhasArrayString (const TableExprId &id, const Array< String > &value)
 
virtual Array< BoolhasArrayDate (const TableExprId &id, const Array< MVTime > &value)
 
uInt nrow () const
 Get the number of rows in the table associated with this expression. More...
 
virtual Bool getColumnDataType (DataType &) const
 Get the data type of the column. More...
 
virtual Array< BoolgetColumnBool (const Vector< uInt > &rownrs)
 Get the value of the expression evaluated for the entire column. More...
 
virtual Array< uChargetColumnuChar (const Vector< uInt > &rownrs)
 
virtual Array< ShortgetColumnShort (const Vector< uInt > &rownrs)
 
virtual Array< uShortgetColumnuShort (const Vector< uInt > &rownrs)
 
virtual Array< IntgetColumnInt (const Vector< uInt > &rownrs)
 
virtual Array< uIntgetColumnuInt (const Vector< uInt > &rownrs)
 
virtual Array< FloatgetColumnFloat (const Vector< uInt > &rownrs)
 
virtual Array< DoublegetColumnDouble (const Vector< uInt > &rownrs)
 
virtual Array< Complex > getColumnComplex (const Vector< uInt > &rownrs)
 
virtual Array< DComplex > getColumnDComplex (const Vector< uInt > &rownrs)
 
virtual Array< StringgetColumnString (const Vector< uInt > &rownrs)
 
virtual void ranges (Block< TableExprRange > &)
 Convert the tree to a number of range vectors which at least select the same things. More...
 
NodeDataType dataType () const
 Get the data type of the derived TableExprNode object. More...
 
ValueType valueType () const
 Get the value type. More...
 
void setValueType (ValueType vtype)
 Set the value type. More...
 
OperType operType () const
 Get the operator type. More...
 
ExprType exprType () const
 Get the expression type. More...
 
Bool isConstant () const
 Is the expression a constant? More...
 
const Unitunit () const
 Get the unit. More...
 
void setUnit (const Unit &unit)
 Set the unit. More...
 
Int ndim () const
 Get the fixed dimensionality (same for all rows). More...
 
const IPositionshape () const
 Get the fixed shape (same for all rows). More...
 
const IPositionshape (const TableExprId &id)
 Get the shape for the given row. More...
 
virtual Bool isDefined (const TableExprId &id)
 Is the value in the given row defined? The default implementation returns True. More...
 
Tabletable ()
 Get table. More...
 
const Tabletable () const
 
virtual void adaptSetUnits (const Unit &)
 Let a set node convert itself to the given unit. More...
 

Static Public Member Functions

static NodeDataType checkOperands (Block< Int > &dtypeOper, ValueType &resVT, Block< Int > &vtypeOper, FunctionType, PtrBlock< TableExprNodeRep *> &)
 Check the data and value types of the operands. More...
 
static Double fillUnits (TableExprNodeRep *node, PtrBlock< TableExprNodeRep *> &nodes, FunctionType func)
 Fill the result unit in the node. More...
 
static TableExprNodeRepfillNode (TableExprFuncNode *thisNode, PtrBlock< TableExprNodeRep *> &nodes, const Block< Int > &dtypeOper)
 Link the children to the node and convert the children to constants if possible. More...
 
static void fillChildNodes (TableExprFuncNode *thisNode, PtrBlock< TableExprNodeRep *> &nodes, const Block< Int > &dtypeOper)
 Link the children to the node and convert the children to constants if possible. More...
 
static void getPrintFormat (String &fmt, Int &width, Int &prec, const PtrBlock< TableExprNodeRep *> &operands, const TableExprId &id)
 Get the possible print format, width, and/or precision. More...
 
static String stringDT (const MVTime &dt, Int prec, MVTime::formatTypes)
 Convert the date and/or time to a string. More...
 
static String stringDateTime (const MVTime &dt, Int prec)
 
static String stringDate (const MVTime &dt)
 
static String stringTime (const MVTime &dt, Int prec)
 
static String stringValue (Bool val, const String &fmt, Int width)
 Convert a value to a string. More...
 
static String stringValue (Int64 val, const String &fmt, Int width)
 
static String stringValue (Double val, const String &fmt, Int width, Int prec, const std::pair< int, int > &mvFormat, const Unit &unit)
 
static String stringValue (const DComplex &val, const String &fmt, Int width, Int prec)
 
static String stringValue (const String &val, const String &fmt, Int width)
 
static String stringValue (const MVTime &val, const String &fmt, Int width, const std::pair< int, int > &mvFormat)
 
static String stringAngle (double val, Int prec, MVAngle::formatTypes type)
 Convert angle to a string (hms or dms). More...
 
static String stringHMS (double val, Int prec)
 
static String stringDMS (double val, Int prec)
 
static std::pair< int, int > getMVFormat (const String &fmt)
 Get the MVTime/Angle format and optional precision. More...
 
static double angdist (double ra1, double dec1, double ra2, double dec2)
 Get the angular distance between two positions on a sphere. More...
 
- Static Public Member Functions inherited from casacore::TableExprNodeMulti
static uInt checkNumOfArg (uInt low, uInt high, const PtrBlock< TableExprNodeRep *> &nodes)
 Check number of arguments low <= number_of_args <= high It throws an exception if wrong number of arguments. More...
 
static NodeDataType checkDT (Block< Int > &dtypeOper, NodeDataType dtIn, NodeDataType dtOut, const PtrBlock< TableExprNodeRep *> &nodes)
 Check datatype of nodes and return output type. More...
 
- Static Public Member Functions inherited from casacore::TableExprNodeRep
static void unlink (TableExprNodeRep *)
 Unlink from the given object. More...
 
static void checkAggrFuncs (const TableExprNodeRep *node)
 Throw an exception if an aggregate function is used in the expression node. More...
 
static void createRange (Block< TableExprRange > &, TableExprNodeColumn *, Double start, Double end)
 Create a range object from a column and an interval. More...
 
static void createRange (Block< TableExprRange > &)
 Create a empty range object. More...
 
static String typeString (NodeDataType)
 Convert a NodeDataType to a string. More...
 
static String typeString (ValueType)
 Convert a ValueType to a string. More...
 

Private Member Functions

void tryToConst ()
 Try if the function gives a constant result. More...
 

Static Private Member Functions

static const UnitmakeEqualUnits (PtrBlock< TableExprNodeRep *> &nodes, uInt starg, uInt endarg)
 Make the units of nodes from starg till endarg equal. More...
 

Private Attributes

FunctionType funcType_p
 
NodeDataType argDataType_p
 
Double scale_p
 

Additional Inherited Members

- Protected Member Functions inherited from casacore::TableExprNodeRep
virtual const IPositiongetShape (const TableExprId &id)
 Get the shape for the given row. More...
 
virtual void convertConstChild ()
 When one of the children is a constant, convert its data type to that of the other operand. More...
 
void checkTablePtr (const TableExprNodeRep *node)
 Check if this node uses the same table pointer. More...
 
void fillExprType (const TableExprNodeRep *node)
 Set expression type to Variable if node is Variable. More...
 
- Static Protected Member Functions inherited from casacore::TableExprNodeRep
static TableExprNodeRepgetRep (TableExprNode &)
 Get pointer to REPresentation object. More...
 
static void checkTablePtr (Table &table, const TableExprNodeRep *node)
 
static void fillExprType (ExprType &, const TableExprNodeRep *node)
 
static TableExprNodeRepconvertNode (TableExprNodeRep *thisNode, Bool convertConstType)
 When the node is constant, it is evaluated and replaced by the appropriate TableExprNodeConst object. More...
 
- Protected Attributes inherited from casacore::TableExprNodeMulti
PtrBlock< TableExprNodeRep * > operands_p
 
- Protected Attributes inherited from casacore::TableExprNodeRep
uInt count_p
 
Table table_p
 
NodeDataType dtype_p
 
ValueType vtype_p
 
OperType optype_p
 
ArgType argtype_p
 
ExprType exprtype_p
 
Int ndim_p
 
IPosition shape_p
 
Unit unit_p
 

Detailed Description

Class representing a function in table select expression.

Intended use:

Internal

Review Status

Reviewed By:
UNKNOWN
Date Reviewed:
before2004/08/25

Prerequisite

Synopsis

This class represents a function in a table select tree. The rownumber function is represented by class TableExprNodeRownr . The rowid function is represented by class TableExprNodeRowid . The rand function is represented by class TableExprNodeRandom .

When one wants to add a function to the table selection grammar, the following has to be done:

Definition at line 76 of file ExprFuncNode.h.

Member Enumeration Documentation

§ FunctionType

Enumerator
piFUNC 
eFUNC 
cFUNC 
near2FUNC 

for Int, or Double or Complex returning Bool (2 is with default tolerance)

near3FUNC 
nearabs2FUNC 
nearabs3FUNC 
sinFUNC 

for Int, Double or DComplex returning Double or Complex

sinhFUNC 
cosFUNC 
coshFUNC 
expFUNC 
logFUNC 
log10FUNC 
sqrtFUNC 
powFUNC 
conjFUNC 
squareFUNC 

for Int, Double or DComplex returning Int, Double or Complex

cubeFUNC 
minFUNC 
maxFUNC 
normFUNC 

for Int, Double or DComplex returning Int or Double

absFUNC 
argFUNC 
realFUNC 

for Int, Double or DComplex returning Double

imagFUNC 
intFUNC 

for Int or Double returning Int (using floor)

asinFUNC 

for Int or Double returning Double

acosFUNC 
atanFUNC 
atan2FUNC 
tanFUNC 
tanhFUNC 
signFUNC 

for Int or Double returning Int or Double

roundFUNC 
floorFUNC 
ceilFUNC 
fmodFUNC 
complexFUNC 

for Int, Double or DComplex returning DComplex

arrsumFUNC 

for Int, Double or Complex array returning the same

arrsumsFUNC 
arrproductFUNC 
arrproductsFUNC 
arrsumsqrFUNC 
arrsumsqrsFUNC 
arrminFUNC 

for Int or Double array returning Int or Double

arrminsFUNC 
runminFUNC 
boxminFUNC 
arrmaxFUNC 
arrmaxsFUNC 
runmaxFUNC 
boxmaxFUNC 
arrmeanFUNC 

for Int or Double array returning Double

arrmeansFUNC 
runmeanFUNC 
boxmeanFUNC 
arrvarianceFUNC 
arrvariancesFUNC 
runvarianceFUNC 
boxvarianceFUNC 
arrstddevFUNC 
arrstddevsFUNC 
runstddevFUNC 
boxstddevFUNC 
arravdevFUNC 
arravdevsFUNC 
runavdevFUNC 
boxavdevFUNC 
arrrmsFUNC 
arrrmssFUNC 
runrmsFUNC 
boxrmsFUNC 
arrmedianFUNC 
arrmediansFUNC 
runmedianFUNC 
boxmedianFUNC 
arrfractileFUNC 
arrfractilesFUNC 
anyFUNC 

for Bool array returning Bool

anysFUNC 
runanyFUNC 
boxanyFUNC 
allFUNC 
allsFUNC 
runallFUNC 
boxallFUNC 
ntrueFUNC 

for Bool array returning Int scalar

ntruesFUNC 
nfalseFUNC 
nfalsesFUNC 
arrayFUNC 

for any type returning array of that type

transposeFUNC 
resizeFUNC 
isnanFUNC 

for Int, Double or DComplex array returning Bool

isinfFUNC 
isfiniteFUNC 
isdefFUNC 

for any array returning Bool scalar

ndimFUNC 

for any array returning Int scalar

nelemFUNC 
shapeFUNC 

for any array returning Int array

strlengthFUNC 

for String

upcaseFUNC 
downcaseFUNC 
capitalizeFUNC 
trimFUNC 
ltrimFUNC 
rtrimFUNC 
substrFUNC 
replaceFUNC 
regexFUNC 
patternFUNC 
sqlpatternFUNC 
datetimeFUNC 

for Date

mjdtodateFUNC 
mjdFUNC 
dateFUNC 
timeFUNC 
yearFUNC 
monthFUNC 
dayFUNC 
cmonthFUNC 
weekdayFUNC 
cdowFUNC 
weekFUNC 
ctodFUNC 
cdateFUNC 
ctimeFUNC 
stringFUNC 

return values as strings

hmsFUNC 

return angles as hms strings

dmsFUNC 

return angles as dms strings

hdmsFUNC 

return angles as hms/dms strings

randFUNC 

special function returning a random Double number

rownrFUNC 

special function returning Int row number

rowidFUNC 

special function returning Int row id (meant for GIVING)

iifFUNC 

special function resembling if statement

angdistFUNC 

angular distance returning radians

angdistxFUNC 
conesFUNC 

other functions, implemented in derived class

cones3FUNC 
anyconeFUNC 
anycone3FUNC 
findconeFUNC 
findcone3FUNC 
FirstAggrFunc 
countallFUNC 
gcountFUNC 
gfirstFUNC 
glastFUNC 
gminFUNC 
gmaxFUNC 
gsumFUNC 
gproductFUNC 
gsumsqrFUNC 
gmeanFUNC 
gvarianceFUNC 
gstddevFUNC 
grmsFUNC 
ganyFUNC 
gallFUNC 
gntrueFUNC 
gnfalseFUNC 
FirstAggrArrayFunc 
gminsFUNC 
gmaxsFUNC 
gsumsFUNC 
gproductsFUNC 
gsumsqrsFUNC 
gmeansFUNC 
gvariancesFUNC 
gstddevsFUNC 
grmssFUNC 
ganysFUNC 
gallsFUNC 
gntruesFUNC 
gnfalsesFUNC 
LastAggrArrayFunc 
ghistFUNC 
gaggrFUNC 
growidFUNC 
gmedianFUNC 
gfractileFUNC 
gexpridFUNC 
NRFUNC 

Definition at line 80 of file ExprFuncNode.h.

Constructor & Destructor Documentation

§ TableExprFuncNode()

casacore::TableExprFuncNode::TableExprFuncNode ( FunctionType  ,
NodeDataType  ,
ValueType  ,
const TableExprNodeSet source 
)

Constructor.

§ ~TableExprFuncNode()

casacore::TableExprFuncNode::~TableExprFuncNode ( )

Destructor.

Member Function Documentation

§ angdist()

static double casacore::TableExprFuncNode::angdist ( double  ra1,
double  dec1,
double  ra2,
double  dec2 
)
inlinestatic

Get the angular distance between two positions on a sphere.

Definition at line 416 of file ExprFuncNode.h.

References casacore::acos(), casacore::cos(), makeEqualUnits(), casacore::sin(), and tryToConst().

§ argDataType()

NodeDataType casacore::TableExprFuncNode::argDataType ( ) const
inline

§ checkOperands()

static NodeDataType casacore::TableExprFuncNode::checkOperands ( Block< Int > &  dtypeOper,
ValueType resVT,
Block< Int > &  vtypeOper,
FunctionType  ,
PtrBlock< TableExprNodeRep *> &   
)
static

Check the data and value types of the operands.

It sets the exptected data and value types of the operands. Set the value type of the function result and returns the data type of the function result.

§ fillChildNodes()

static void casacore::TableExprFuncNode::fillChildNodes ( TableExprFuncNode thisNode,
PtrBlock< TableExprNodeRep *> &  nodes,
const Block< Int > &  dtypeOper 
)
static

Link the children to the node and convert the children to constants if possible.

§ fillNode()

static TableExprNodeRep* casacore::TableExprFuncNode::fillNode ( TableExprFuncNode thisNode,
PtrBlock< TableExprNodeRep *> &  nodes,
const Block< Int > &  dtypeOper 
)
static

Link the children to the node and convert the children to constants if possible.

Also convert the node to constant if possible.

§ fillUnits()

static Double casacore::TableExprFuncNode::fillUnits ( TableExprNodeRep node,
PtrBlock< TableExprNodeRep *> &  nodes,
FunctionType  func 
)
static

Fill the result unit in the node.

Adapt the children nodes if their units need to be converted. It returns a possible scale factor in case result unit is SI (for sqrt).

§ funcType()

FunctionType casacore::TableExprFuncNode::funcType ( ) const
inline

Definition at line 365 of file ExprFuncNode.h.

References funcType_p.

Referenced by casacore::TableExprFuncNodeArray::funcType().

§ getBool()

Bool casacore::TableExprFuncNode::getBool ( const TableExprId id)
virtual

'get' Functions to get the desired result of a function

Reimplemented from casacore::TableExprNodeRep.

§ getDate()

MVTime casacore::TableExprFuncNode::getDate ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ getDComplex()

DComplex casacore::TableExprFuncNode::getDComplex ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ getDouble()

Double casacore::TableExprFuncNode::getDouble ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ getInt()

Int64 casacore::TableExprFuncNode::getInt ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ getMVFormat()

static std::pair<int,int> casacore::TableExprFuncNode::getMVFormat ( const String fmt)
static

Get the MVTime/Angle format and optional precision.

0,0 is returned if empty or unknown format.

Referenced by argDataType().

§ getPrintFormat()

static void casacore::TableExprFuncNode::getPrintFormat ( String fmt,
Int width,
Int prec,
const PtrBlock< TableExprNodeRep *> &  operands,
const TableExprId id 
)
static

Get the possible print format, width, and/or precision.

Referenced by argDataType().

§ getRegex()

TaqlRegex casacore::TableExprFuncNode::getRegex ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ getScale()

Double casacore::TableExprFuncNode::getScale ( ) const
inline

Get possible unit scale factor (needed for sqrt).

Definition at line 356 of file ExprFuncNode.h.

References scale_p.

§ getString()

String casacore::TableExprFuncNode::getString ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

§ makeEqualUnits()

static const Unit& casacore::TableExprFuncNode::makeEqualUnits ( PtrBlock< TableExprNodeRep *> &  nodes,
uInt  starg,
uInt  endarg 
)
staticprivate

Make the units of nodes from starg till endarg equal.

Return the unit found.

Referenced by angdist().

§ operands()

const PtrBlock<TableExprNodeRep*>& casacore::TableExprFuncNode::operands ( ) const
inline

Some functions to be used by TableExprNodeFuncArray.

Definition at line 361 of file ExprFuncNode.h.

References casacore::TableExprNodeMulti::operands_p.

Referenced by argDataType(), casacore::TableExprAggrNode::operand(), and casacore::TableExprFuncNodeArray::operands().

§ rwOperands()

PtrBlock<TableExprNodeRep*>& casacore::TableExprFuncNode::rwOperands ( )
inline

§ setScale()

void casacore::TableExprFuncNode::setScale ( Double  scale)
inline

Set unit scale factor (needed for sqrt).

Definition at line 352 of file ExprFuncNode.h.

References scale_p.

Referenced by casacore::TableExprFuncNodeArray::setScale().

§ stringAngle()

static String casacore::TableExprFuncNode::stringAngle ( double  val,
Int  prec,
MVAngle::formatTypes  type 
)
static

Convert angle to a string (hms or dms).

Referenced by argDataType().

§ stringDate()

static String casacore::TableExprFuncNode::stringDate ( const MVTime dt)
static

Referenced by argDataType().

§ stringDateTime()

static String casacore::TableExprFuncNode::stringDateTime ( const MVTime dt,
Int  prec 
)
static

Referenced by argDataType().

§ stringDMS()

static String casacore::TableExprFuncNode::stringDMS ( double  val,
Int  prec 
)
static

Referenced by argDataType().

§ stringDT()

static String casacore::TableExprFuncNode::stringDT ( const MVTime dt,
Int  prec,
MVTime::formatTypes   
)
static

Convert the date and/or time to a string.

Referenced by argDataType().

§ stringHMS()

static String casacore::TableExprFuncNode::stringHMS ( double  val,
Int  prec 
)
static

Referenced by argDataType().

§ stringTime()

static String casacore::TableExprFuncNode::stringTime ( const MVTime dt,
Int  prec 
)
static

Referenced by argDataType().

§ stringValue() [1/6]

static String casacore::TableExprFuncNode::stringValue ( Bool  val,
const String fmt,
Int  width 
)
static

Convert a value to a string.

If fmt is empty, ostringstream is used. Otherwise the printf-like format is used. If possible, a double value is converted to radians if formatted as angle.

Referenced by argDataType().

§ stringValue() [2/6]

static String casacore::TableExprFuncNode::stringValue ( Int64  val,
const String fmt,
Int  width 
)
static

§ stringValue() [3/6]

static String casacore::TableExprFuncNode::stringValue ( Double  val,
const String fmt,
Int  width,
Int  prec,
const std::pair< int, int > &  mvFormat,
const Unit unit 
)
static

§ stringValue() [4/6]

static String casacore::TableExprFuncNode::stringValue ( const DComplex &  val,
const String fmt,
Int  width,
Int  prec 
)
static

§ stringValue() [5/6]

static String casacore::TableExprFuncNode::stringValue ( const String val,
const String fmt,
Int  width 
)
static

§ stringValue() [6/6]

static String casacore::TableExprFuncNode::stringValue ( const MVTime val,
const String fmt,
Int  width,
const std::pair< int, int > &  mvFormat 
)
static

§ tryToConst()

void casacore::TableExprFuncNode::tryToConst ( )
private

Try if the function gives a constant result.

If so, set the expression type to Constant.

Referenced by angdist().

Member Data Documentation

§ argDataType_p

NodeDataType casacore::TableExprFuncNode::argDataType_p
private

Definition at line 431 of file ExprFuncNode.h.

Referenced by argDataType().

§ funcType_p

FunctionType casacore::TableExprFuncNode::funcType_p
private

Definition at line 430 of file ExprFuncNode.h.

Referenced by funcType().

§ scale_p

Double casacore::TableExprFuncNode::scale_p
private

Definition at line 432 of file ExprFuncNode.h.

Referenced by getScale(), and setScale().


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