Package gnu.trove.list
Interface TDoubleList
- All Superinterfaces:
TDoubleCollection
- All Known Implementing Classes:
TDoubleArrayList
,TSynchronizedDoubleList
,TSynchronizedRandomAccessDoubleList
,TUnmodifiableDoubleList
,TUnmodifiableRandomAccessDoubleList
Interface for Trove list implementations.
-
Field Summary
Fields inherited from interface gnu.trove.TDoubleCollection
serialVersionUID
-
Method Summary
Modifier and TypeMethodDescriptionboolean
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 valuevoid
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
Returns the value that is used to represent null.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.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 offsetdouble
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 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.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.Methods inherited from interface gnu.trove.TDoubleCollection
addAll, addAll, addAll, containsAll, containsAll, containsAll, equals, hashCode, iterator, removeAll, removeAll, removeAll, retainAll, retainAll, retainAll
-
Method Details
-
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 interfaceTDoubleCollection
- Returns:
- the value that represents null
-
size
int size()Returns the number of values in the list.- Specified by:
size
in interfaceTDoubleCollection
- Returns:
- the number of values in the list.
-
isEmpty
boolean isEmpty()Tests whether this list contains any values.- Specified by:
isEmpty
in interfaceTDoubleCollection
- 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 interfaceTDoubleCollection
- Parameters:
val
- andouble
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
- andouble[]
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
- andouble[]
valueoffset
- the offset at which to start copyinglength
- 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
- anint
valuevalue
- andouble
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
- anint
valuevalues
- andouble[]
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
- anint
valuevalues
- andouble[]
valuevalOffset
- 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
- anint
value- Returns:
- an
double
value
-
set
double set(int offset, double val) Sets the value at the specified offset.- Parameters:
offset
- anint
valueval
- andouble
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 replacevalues
- 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 replacevalues
- the source of the new valuesvalOffset
- the first value to copy from the values arraylength
- 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
- anint
valueval
- andouble
value- Returns:
- the value previously stored at offset.
-
clear
void clear()Flushes the internal state of the list, resetting the capacity to the default.- Specified by:
clear
in interfaceTDoubleCollection
-
remove
boolean remove(double value) Removes value from the list.- Specified by:
remove
in interfaceTDoubleCollection
- Parameters:
value
- andouble
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
- anint
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
- anint
valuelength
- anint
value
-
transformValues
Transform each value in the list using the specified function.- Parameters:
function
- aTDoubleFunction
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 reversingto
- the exclusive index at which to stop reversing
-
shuffle
Shuffle the elements of the list using the specified random number generator.- Parameters:
rand
- aRandom
value
-
subList
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 rangeIllegalArgumentException
- - endpoints out of order (end > begin)
-
toArray
double[] toArray()Copies the contents of the list into a native array.- Specified by:
toArray
in interfaceTDoubleCollection
- 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 copyinglen
- 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 interfaceTDoubleCollection
- 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 copiedlen
- 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 copydest_pos
- the offset where the first value should be copiedlen
- the number of values to copy.- Returns:
- the array passed in.
-
forEach
Applies the procedure to each value in the list in ascending (front to back) order.- Specified by:
forEach
in interfaceTDoubleCollection
- Parameters:
procedure
- aTDoubleProcedure
value- Returns:
- true if the procedure did not terminate prematurely.
-
forEachDescending
Applies the procedure to each value in the list in descending (back to front) order.- Parameters:
procedure
- aTDoubleProcedure
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:
-
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:
-
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 forfromIndex
- 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
- andouble
value- Returns:
- the first offset of the value, or -1 if it is not in the list.
- See Also:
-
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
- andouble
value- Returns:
- the first offset of the value, or -1 if it is not in the list.
- See Also:
-
lastIndexOf
int lastIndexOf(double value) Searches the list back to front for the last index of value.- Parameters:
value
- andouble
value- Returns:
- the last offset of the value, or -1 if it is not in the list.
- See Also:
-
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
- andouble
value- Returns:
- the last offset of the value, or -1 if it is not in the list.
- See Also:
-
contains
boolean contains(double value) Searches the list for value- Specified by:
contains
in interfaceTDoubleCollection
- Parameters:
value
- andouble
value- Returns:
- true if value is in the list.
-
grep
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
Searches the list for values which do not satisfy condition. This is akin to *nixgrep -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).
-