gnu.trove.list

Interface TDoubleList

    • Method Summary

      Modifier and Type Method and Description
      boolean add(double val)
      Adds val to the end of the list, growing as needed.
      void add(double[] vals)
      Adds the values in the array vals to the end of the list, in order.
      void add(double[] vals, int offset, int length)
      Adds a subset of the values in the array vals to the end of the list, in order.
      int binarySearch(double value)
      Performs a binary search for value in the entire list.
      int binarySearch(double value, int fromIndex, int toIndex)
      Performs a binary search for value in the specified range.
      void clear()
      Flushes the internal state of the list, resetting the capacity to the default.
      boolean contains(double value)
      Searches the list for value
      void fill(double val)
      Fills every slot in the list with the specified value.
      void fill(int fromIndex, int toIndex, double val)
      Fills a range in the list with the specified value.
      boolean forEach(TDoubleProcedure procedure)
      Applies the procedure to each value in the list in ascending (front to back) order.
      boolean forEachDescending(TDoubleProcedure procedure)
      Applies the procedure to each value in the list in descending (back to front) order.
      double get(int offset)
      Returns the value at the specified offset.
      double getNoEntryValue()
      Returns the value that is used to represent null.
      TDoubleList grep(TDoubleProcedure condition)
      Searches the list for values satisfying condition in the manner of the *nix grep utility.
      int indexOf(double value)
      Searches the list front to back for the index of value.
      int indexOf(int offset, double value)
      Searches the list front to back for the index of value, starting at offset.
      void insert(int offset, double value)
      Inserts value into the list at offset.
      void insert(int offset, double[] values)
      Inserts the array of values into the list at offset.
      void insert(int offset, double[] values, int valOffset, int len)
      Inserts a slice of the array of values into the list at offset.
      TDoubleList inverseGrep(TDoubleProcedure condition)
      Searches the list for values which do not satisfy condition.
      boolean isEmpty()
      Tests whether this list contains any values.
      int lastIndexOf(double value)
      Searches the list back to front for the last index of value.
      int lastIndexOf(int offset, double value)
      Searches the list back to front for the last index of value, starting at offset.
      double max()
      Finds the maximum value in the list.
      double min()
      Finds the minimum value in the list.
      boolean remove(double value)
      Removes value from the list.
      void remove(int offset, int length)
      Removes length values from the list, starting at offset
      double removeAt(int offset)
      Removes value at a given offset from the list.
      double replace(int offset, double val)
      Sets the value at the specified offset and returns the previously stored value.
      void reverse()
      Reverse the order of the elements in the list.
      void reverse(int from, int to)
      Reverse the order of the elements in the range of the list.
      double set(int offset, double val)
      Sets the value at the specified offset.
      void set(int offset, double[] values)
      Replace the values in the list starting at offset with the contents of the values array.
      void set(int offset, double[] values, int valOffset, int length)
      Replace the values in the list starting at offset with length values from the values array, starting at valOffset.
      void shuffle(Random rand)
      Shuffle the elements of the list using the specified random number generator.
      int size()
      Returns the number of values in the list.
      void sort()
      Sort the values in the list (ascending) using the Sun quicksort implementation.
      void sort(int fromIndex, int toIndex)
      Sort a slice of the list (ascending) using the Sun quicksort implementation.
      TDoubleList subList(int begin, int end)
      Returns a sublist of this list.
      double sum()
      Calculates the sum of all the values in the list.
      double[] toArray()
      Copies the contents of the list into a native array.
      double[] toArray(double[] dest)
      Copies a slice of the list into a native array.
      double[] toArray(double[] dest, int offset, int len)
      Copies a slice of the list into a native array.
      double[] toArray(double[] dest, int source_pos, int dest_pos, int len)
      Copies a slice of the list into a native array.
      double[] toArray(int offset, int len)
      Copies a slice of the list into a native array.
      void transformValues(TDoubleFunction function)
      Transform each value in the list using the specified function.

    • Method Detail

      • getNoEntryValue

        double getNoEntryValue()
        Returns the value that is used to represent null. The default value is generally zero, but can be changed during construction of the collection.
        Specified by:
        getNoEntryValue in interface  TDoubleCollection
        Returns:
        the value that represents null

      • size

        int size()
        Returns the number of values in the list.
        Specified by:
        size in interface  TDoubleCollection
        Returns:
        the number of values in the list.

      • isEmpty

        boolean isEmpty()
        Tests whether this list contains any values.
        Specified by:
        isEmpty in interface  TDoubleCollection
        Returns:
        true if the list is empty.

      • add

        boolean add(double val)
        Adds val to the end of the list, growing as needed.
        Specified by:
        add in interface  TDoubleCollection
        Parameters:
        val - an double value
        Returns:
        true if the list was modified by the add operation

      • add

        void add(double[] vals)
        Adds the values in the array vals to the end of the list, in order.
        Parameters:
        vals - an double[] value

      • add

        void add(double[] vals,
         int offset,
         int length)
        Adds a subset of the values in the array vals to the end of the list, in order.
        Parameters:
        vals - an double[] value
        offset - the offset at which to start copying
        length - the number of values to copy.

      • insert

        void insert(int offset,
            double value)
        Inserts value into the list at offset. All values including and to the right of offset are shifted to the right.
        Parameters:
        offset - an int value
        value - an double value

      • insert

        void insert(int offset,
            double[] values)
        Inserts the array of values into the list at offset. All values including and to the right of offset are shifted to the right.
        Parameters:
        offset - an int value
        values - an double[] value

      • insert

        void insert(int offset,
            double[] values,
            int valOffset,
            int len)
        Inserts a slice of the array of values into the list at offset. All values including and to the right of offset are shifted to the right.
        Parameters:
        offset - an int value
        values - an double[] value
        valOffset - the offset in the values array at which to start copying.
        len - the number of values to copy from the values array

      • get

        double get(int offset)
        Returns the value at the specified offset.
        Parameters:
        offset - an int value
        Returns:
        an double value

      • set

        double set(int offset,
           double val)
        Sets the value at the specified offset.
        Parameters:
        offset - an int value
        val - an double value
        Returns:
        The value previously at the given index.

      • set

        void set(int offset,
         double[] values)
        Replace the values in the list starting at offset with the contents of the values array.
        Parameters:
        offset - the first offset to replace
        values - the source of the new values

      • set

        void set(int offset,
         double[] values,
         int valOffset,
         int length)
        Replace the values in the list starting at offset with length values from the values array, starting at valOffset.
        Parameters:
        offset - the first offset to replace
        values - the source of the new values
        valOffset - the first value to copy from the values array
        length - the number of values to copy

      • replace

        double replace(int offset,
               double val)
        Sets the value at the specified offset and returns the previously stored value.
        Parameters:
        offset - an int value
        val - an double value
        Returns:
        the value previously stored at offset.

      • clear

        void clear()
        Flushes the internal state of the list, resetting the capacity to the default.

      • remove

        boolean remove(double value)
        Removes value from the list.
        Specified by:
        remove in interface  TDoubleCollection
        Parameters:
        value - an double value
        Returns:
        true if the list was modified by the remove operation.

      • removeAt

        double removeAt(int offset)
        Removes value at a given offset from the list.
        Parameters:
        offset - an int value that represents the offset to the element to be removed
        Returns:
        an double that is the value removed.

      • remove

        void remove(int offset,
            int length)
        Removes length values from the list, starting at offset
        Parameters:
        offset - an int value
        length - an int value

      • transformValues

        void transformValues(TDoubleFunction function)
        Transform each value in the list using the specified function.
        Parameters:
        function - a TDoubleFunction value

      • reverse

        void reverse()
        Reverse the order of the elements in the list.

      • reverse

        void reverse(int from,
             int to)
        Reverse the order of the elements in the range of the list.
        Parameters:
        from - the inclusive index at which to start reversing
        to - the exclusive index at which to stop reversing

      • shuffle

        void shuffle(Random rand)
        Shuffle the elements of the list using the specified random number generator.
        Parameters:
        rand - a Random value

      • subList

        TDoubleList subList(int begin,
                    int end)
        Returns a sublist of this list.
        Parameters:
        begin - low endpoint (inclusive) of the subList.
        end - high endpoint (exclusive) of the subList.
        Returns:
        sublist of this list from begin, inclusive to end, exclusive.
        Throws:
        IndexOutOfBoundsException - - endpoint out of range
        IllegalArgumentException - - endpoints out of order (end > begin)

      • toArray

        double[] toArray()
        Copies the contents of the list into a native array.
        Specified by:
        toArray in interface  TDoubleCollection
        Returns:
        an double[] value

      • toArray

        double[] toArray(int offset,
                 int len)
        Copies a slice of the list into a native array.
        Parameters:
        offset - the offset at which to start copying
        len - the number of values to copy.
        Returns:
        an double[] value

      • toArray

        double[] toArray(double[] dest)
        Copies a slice of the list into a native array.

        If the list fits in the specified array with room to spare (i.e., the array has more elements than the list), the element in the array immediately following the end of the list is set to getNoEntryValue(). (This is useful in determining the length of the list only if the caller knows that the list does not contain any "null" elements.)

        NOTE: Trove does not allocate a new array if the array passed in is not large enough to hold all of the data elements. It will instead fill the array passed in.

        Specified by:
        toArray in interface  TDoubleCollection
        Parameters:
        dest - the array to copy into.
        Returns:
        the array passed in.

      • toArray

        double[] toArray(double[] dest,
                 int offset,
                 int len)
        Copies a slice of the list into a native array.
        Parameters:
        dest - the array to copy into.
        offset - the offset where the first value should be copied
        len - the number of values to copy.
        Returns:
        the array passed in.

      • toArray

        double[] toArray(double[] dest,
                 int source_pos,
                 int dest_pos,
                 int len)
        Copies a slice of the list into a native array.
        Parameters:
        dest - the array to copy into.
        source_pos - the offset of the first value to copy
        dest_pos - the offset where the first value should be copied
        len - the number of values to copy.
        Returns:
        the array passed in.

      • forEach

        boolean forEach(TDoubleProcedure procedure)
        Applies the procedure to each value in the list in ascending (front to back) order.
        Specified by:
        forEach in interface  TDoubleCollection
        Parameters:
        procedure - a TDoubleProcedure value
        Returns:
        true if the procedure did not terminate prematurely.

      • forEachDescending

        boolean forEachDescending(TDoubleProcedure procedure)
        Applies the procedure to each value in the list in descending (back to front) order.
        Parameters:
        procedure - a TDoubleProcedure value
        Returns:
        true if the procedure did not terminate prematurely.

      • sort

        void sort()
        Sort the values in the list (ascending) using the Sun quicksort implementation.
        See Also:
        Arrays.sort(int[])

      • sort

        void sort(int fromIndex,
          int toIndex)
        Sort a slice of the list (ascending) using the Sun quicksort implementation.
        Parameters:
        fromIndex - the index at which to start sorting (inclusive)
        toIndex - the index at which to stop sorting (exclusive)
        See Also:
        Arrays.sort(int[])

      • fill

        void fill(double val)
        Fills every slot in the list with the specified value.
        Parameters:
        val - the value to use when filling

      • fill

        void fill(int fromIndex,
          int toIndex,
          double val)
        Fills a range in the list with the specified value.
        Parameters:
        fromIndex - the offset at which to start filling (inclusive)
        toIndex - the offset at which to stop filling (exclusive)
        val - the value to use when filling

      • binarySearch

        int binarySearch(double value)
        Performs a binary search for value in the entire list. Note that you must @{link #sort sort} the list before doing a search.
        Parameters:
        value - the value to search for
        Returns:
        the absolute offset in the list of the value, or its negative insertion point into the sorted list.

      • binarySearch

        int binarySearch(double value,
                 int fromIndex,
                 int toIndex)
        Performs a binary search for value in the specified range. Note that you must @{link #sort sort} the list or the range before doing a search.
        Parameters:
        value - the value to search for
        fromIndex - the lower boundary of the range (inclusive)
        toIndex - the upper boundary of the range (exclusive)
        Returns:
        the absolute offset in the list of the value, or its negative insertion point into the sorted list.

      • indexOf

        int indexOf(double value)
        Searches the list front to back for the index of value.
        Parameters:
        value - an double value
        Returns:
        the first offset of the value, or -1 if it is not in the list.
        See Also:
        for faster searches on sorted lists

      • indexOf

        int indexOf(int offset,
            double value)
        Searches the list front to back for the index of value, starting at offset.
        Parameters:
        offset - the offset at which to start the linear search (inclusive)
        value - an double value
        Returns:
        the first offset of the value, or -1 if it is not in the list.
        See Also:
        for faster searches on sorted lists

      • lastIndexOf

        int lastIndexOf(double value)
        Searches the list back to front for the last index of value.
        Parameters:
        value - an double value
        Returns:
        the last offset of the value, or -1 if it is not in the list.
        See Also:
        for faster searches on sorted lists

      • lastIndexOf

        int lastIndexOf(int offset,
                double value)
        Searches the list back to front for the last index of value, starting at offset.
        Parameters:
        offset - the offset at which to start the linear search (exclusive)
        value - an double value
        Returns:
        the last offset of the value, or -1 if it is not in the list.
        See Also:
        for faster searches on sorted lists

      • contains

        boolean contains(double value)
        Searches the list for value
        Specified by:
        contains in interface  TDoubleCollection
        Parameters:
        value - an double value
        Returns:
        true if value is in the list.

      • grep

        TDoubleList grep(TDoubleProcedure condition)
        Searches the list for values satisfying condition in the manner of the *nix grep utility.
        Parameters:
        condition - a condition to apply to each element in the list
        Returns:
        a list of values which match the condition.

      • inverseGrep

        TDoubleList inverseGrep(TDoubleProcedure condition)
        Searches the list for values which do not satisfy condition. This is akin to *nix grep -v.
        Parameters:
        condition - a condition to apply to each element in the list
        Returns:
        a list of values which do not match the condition.

      • max

        double max()
        Finds the maximum value in the list.
        Returns:
        the largest value in the list.
        Throws:
        IllegalStateException - if the list is empty

      • min

        double min()
        Finds the minimum value in the list.
        Returns:
        the smallest value in the list.
        Throws:
        IllegalStateException - if the list is empty

      • sum

        double sum()
        Calculates the sum of all the values in the list.
        Returns:
        the sum of the values in the list (zero if the list is empty).