org.apache.sysds.parser

## Class DoubleIdentifier

- java.lang.Object
- - org.apache.sysds.parser.Expression
  - - org.apache.sysds.parser.Identifier
    - - org.apache.sysds.parser.ConstIdentifier
      - - org.apache.sysds.parser.DoubleIdentifier

- All Implemented Interfaces:
    ParseInfo

      public class DoubleIdentifier
      extends ConstIdentifier

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.sysds.parser.Expression

      `Expression.BinaryOp, Expression.BooleanOp, Expression.DataOp, Expression.FunctCallOp, Expression.RelationalOp`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `DoubleIdentifier(double val)`
    `DoubleIdentifier(DoubleIdentifier d, ParseInfo parseInfo)`
    `DoubleIdentifier(double val, ParseInfo parseInfo)`
    `DoubleIdentifier(org.antlr.v4.runtime.ParserRuleContext ctx, double val, String filename)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `getLongValue()`
    `double` | `getValue()`
    `void` | `multiplyByMinusOne()`
    `Expression` | `rewriteExpression(String prefix)`
    `void` | `setValue(double v)`
    `String` | `toString()`
    `VariableSet` | `variablesRead()`
    `VariableSet` | `variablesUpdated()`

    - ### Methods inherited from class org.apache.sysds.parser.Identifier

      `computeDataType, dimsKnown, getBlocksize, getDataType, getDim1, getDim2, getFileFormat, getNnz, getPrivacy, getValueType, isScalarBoolean, setBlocksize, setBooleanProperties, setDataType, setDimensions, setDimensionValueProperties, setFileFormat, setIntProperties, setNnz, setPrivacy, setPrivacy, setProperties, setValueType, validateExpression`

    - ### Methods inherited from class org.apache.sysds.parser.Expression

      `computeDataType, computeDataType, computeValueType, computeValueType, computeValueType, convertFormatType, equals, getBeginColumn, getBeginLine, getBinaryMatrixCharacteristics, getBinaryOp, getBooleanOp, getEndColumn, getEndLine, getFilename, getOutput, getOutputs, getParseExceptionList, getRelationalOp, getTempName, getText, hashCode, printErrorLocation, printInfoLocation, printWarningLocation, raiseValidateError, raiseValidateError, raiseValidateError, setBeginColumn, setBeginLine, setCtxValues, setCtxValuesAndFilename, setEndColumn, setEndLine, setFilename, setOutput, setParseExceptionList, setParseInfo, setText, validateExpression`

    - ### Methods inherited from class java.lang.Object

      `getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface org.apache.sysds.parser.ParseInfo

      `ctxAndFilenameToParseInfo`

- - ### Constructor Detail

    - #### DoubleIdentifier

          public DoubleIdentifier(double val)

    - #### DoubleIdentifier

          public DoubleIdentifier(double val,
                                  ParseInfo parseInfo)

    - #### DoubleIdentifier

          public DoubleIdentifier(DoubleIdentifier d,
                                  ParseInfo parseInfo)

    - #### DoubleIdentifier

          public DoubleIdentifier(org.antlr.v4.runtime.ParserRuleContext ctx,
                                  double val,
                                  String filename)

  - ### Method Detail

    - #### rewriteExpression

          public Expression rewriteExpression(String prefix)

      Specified by:
        `rewriteExpression` in class `Expression`

    - #### multiplyByMinusOne

          public void multiplyByMinusOne()

    - #### getValue

          public double getValue()

    - #### setValue

          public void setValue(double v)

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### variablesRead

          public VariableSet variablesRead()

      Specified by:
        `variablesRead` in class `Expression`

    - #### variablesUpdated

          public VariableSet variablesUpdated()

      Specified by:
        `variablesUpdated` in class `Expression`

    - #### getLongValue

          public long getLongValue()

      Specified by:
        `getLongValue` in class `ConstIdentifier`

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