Reports:Tasks not implemented in Factor
From Rosetta Code
Awareness
If Factor is a language you like, or are interested in, please inform your fellow members of the Factor community; this page can't be emptied without your and their participation.
If Factor is a language you like, or are interested in, please inform your fellow members of the Factor community; this page can't be emptied without your and their participation.
Contents
Not implemented[edit]
These are currently not implemented in Factor. Please implement some if you can. If any tasks are not possible or too complex in Factor, they should not be on this list. To mark a task as such, add {{omit from|Factor}}, preserving the capitalization of the language, to that task. It will appear below under the "Not Considered" section.
2
A
- ABC Problem
- AKS test for primes
- AVL tree
- Active Directory/Connect
- Active Directory/Search for a user
- Add a variable to a class instance at runtime
- Aliquot sequence classifications
- Angle difference between two bearings
- Append a record to the end of a text file
- Apply a digital filter (direct form II transposed)
- Archimedean spiral
- Arena storage pool
- Arithmetic-geometric mean/Calculate Pi
- Atomic updates
- Average loop length
- Averages/Mean angle
- Averages/Mean time of day
- Averages/Simple moving average
B
- Babbage problem
- Balanced ternary
- Barnsley fern
- Best shuffle
- Bitmap/Flood fill
- Bitmap/Histogram
- Bitmap/Midpoint circle algorithm
- Bitmap/PPM conversion through a pipe
- Bitmap/Read a PPM file
- Bitmap/Read an image through a pipe
- Bitmap/Write a PPM file
- Bitwise IO
- Box the compass
- Brace expansion
- Brownian tree
- Bulls and cows/Player
C
- CUSIP
- Calendar
- Calendar - for "REAL" programmers
- Call a function in a shared library
- Call an object method
- Canny edge detector
- Carmichael 3 strong pseudoprimes
- Casting out nines
- Catmull–Clark subdivision surface
- Chaos game
- Chat server
- Check Machin-like formulas
- Checkpoint synchronization
- Chinese zodiac
- Cholesky decomposition
- Circles of given radius through two points
- Closest-pair problem
- Collections
- Color of a screen pixel
- Color quantization
- Colour pinstripe/Display
- Colour pinstripe/Printer
- Combinations and permutations
- Combinations with repetitions
- Commatizing numbers
- Compare sorting algorithms' performance
- Compiler/AST interpreter
- Compiler/code generator
- Compiler/lexical analyzer
- Compiler/syntax analyzer
- Compiler/virtual machine interpreter
- Constrained random points on a circle
- Continued fraction/Arithmetic/Construct from rational number
- Conway's Game of Life
- Cramer's rule
- Create a file on magnetic tape
- Create an HTML table
- Create an object at a given address
- Cut a rectangle
D
- DNS query
- Date manipulation
- Deal cards for FreeCell
- Death Star
- Deconvolution/1D
- Deconvolution/2D+
- Deepcopy
- Define a primitive data type
- Delegates
- Determine if only one instance is running
- Dining philosophers
- Discordian date
- Doubly-linked list/Definition
- Doubly-linked list/Element definition
- Doubly-linked list/Element insertion
- Doubly-linked list/Traversal
- Draw a clock
- Draw a cuboid
- Draw a pixel
- Draw a rotating cube
- Draw a sphere
- Dutch national flag problem
E
- Eertree
- Egyptian division
- Egyptian fractions
- Element-wise operations
- Elementary cellular automaton
- Euler's sum of powers conjecture
- Euler method
- Events
- Exceptions/Catch an exception thrown in a nested call
- Execute Brain****
- Execute HQ9+
- Execute SNUSP
- Execute a Markov algorithm
- Extensible prime generator
F
- FASTA format
- FTP
- Factors of a Mersenne number
- Farey sequence
- Fibonacci n-step number sequences
- Fibonacci word/fractal
- Find largest left truncatable prime in a given base
- Find limit of recursion
- Find palindromic numbers in both binary and ternary bases
- Find the intersection of two lines
- First class environments
- Five weekends
- Flipping bits game
- Flow-control structures
- Floyd's triangle
- Floyd-Warshall algorithm
- Forest fire
- Formal power series
- Four bit adder
- Fractal tree
- Fractran
- Function frequency
- Function prototype
G
- GUI/Maximum window dimensions
- GUI component interaction
- GUI enabling/disabling of controls
- Galton box animation
- Gamma function
- Gaussian elimination
- General FizzBuzz
- Generate Chess960 starting position
- Generator/Exponential
- Get system command output
- Globally replace text in several files
- Go Fish
- Grayscale image
- Greyscale bars/Display
- Guess the number/With feedback (player)
H
- HTTPS
- HTTPS/Authenticated
- HTTPS/Client-authenticated
- Handle a signal
- Hash join
- Hello world/Newbie
- Hello world/Web server
- Heronian triangles
- Hickerson series of almost integers
- History variables
- Hofstadter-Conway $10,000 sequence
- Holidays related to Easter
- Honeycombs
- Horizontal sundial calculations
- Hough transform
- Huffman coding
- Hunt The Wumpus
K
L
- LU decomposition
- LZW compression
- Langton's ant
- Last letter-first letter
- Linear congruential generator
- List comprehensions
- Literals/Floating point
- Literals/String
- Longest common subsequence
- Longest increasing subsequence
- Longest string challenge
- Lucas-Lehmer test
- Lucky and even lucky numbers
- Ludic numbers
- Lychrel numbers
M
- MAC Vendor Lookup
- MD4
- MD5/Implementation
- Machine code
- Mad Libs
- Magic squares of doubly even order
- Magic squares of odd order
- Magic squares of singly even order
- Main step of GOST 28147-89
- Make directory path
- Man or boy test
- Matrix arithmetic
- Maximum triangle path sum
- Maze generation
- Maze solving
- Median filter
- Memory layout of a data structure
- Metaprogramming
- Metered concurrency
- Miller–Rabin primality test
- Minesweeper game
- Monty Hall problem
- Morse code
- Move-to-front algorithm
- Multiple regression
- Multiplicative order
- Multisplit
N
O
P
- Paraffins
- Parallel Brute Force
- Parametrized SQL statement
- Parse an IP Address
- Parsing/RPN to infix conversion
- Parsing/Shunting-yard algorithm
- Partition an integer X into N primes
- Pascal's triangle/Puzzle
- Pascal matrix generation
- Password generator
- Pathological floating point problems
- Pattern matching
- Pentagram
- Percentage difference between images
- Percolation/Bond percolation
- Percolation/Mean cluster density
- Percolation/Mean run density
- Percolation/Site percolation
- Permutation test
- Permutations/Derangements
- Permutations/Rank of a permutation
- Permutations by swapping
- Pi
- Pig the dice game
- Pig the dice game/Player
- Pinstripe/Display
- Pinstripe/Printer
- Plasma effect
- Play recorded sounds
- Plot coordinate pairs
- Pointers and references
- Poker hand analyser
- Polynomial long division
- Polynomial regression
- Polyspiral
- Pragmatic directives
- Primes - allocate descendants to their ancestors
- Problem of Apollonius
- Program termination
- Pythagoras tree
- Pythagorean quadruples
R
- RCRPG
- RIPEMD-160
- RSA code
- Ramer-Douglas-Peucker line simplification
- Random number generator (device)
- Range expansion
- Ranking methods
- Rate counter
- Read a configuration file
- Read a specific line from a file
- Record sound
- Reduced row echelon form
- Reflection/Get source
- Reflection/List properties
- Remove lines from a file
- Rendezvous
- Rep-string
- Resistor mesh
- Respond to an unknown method call
- Retrieve and search chat history
- Rock-paper-scissors
- Roman numerals/Decode
- Roots of a function
- Roots of unity
- Rosetta Code/Find bare lang tags
- Rosetta Code/Find unimplemented tasks
- Rosetta Code/Fix code tags
- Rosetta Code/Rank languages by popularity
- Run-length encoding
- Runge-Kutta method
- Runtime evaluation/In an environment
S
- S-Expressions
- SEDOLs
- SHA-256
- SOAP
- SQL-based authentication
- Safe addition
- Sailors, coconuts and a monkey problem
- Same Fringe
- Scope/Function names and labels
- Scope modifiers
- Secure temporary file
- Self-referential sequence
- Semordnilap
- Send an unknown method call
- Sequence of primes by trial division
- Sequence of primorial primes
- Set consolidation
- Set of real numbers
- Set puzzle
- Shoelace formula for polygonal area
- Sierpinski carpet
- Sierpinski pentagon
- Sierpinski triangle/Graphical
- Sieve of Eratosthenes
- Simple database
- Simulate input/Keyboard
- Simulate input/Mouse
- Sokoban
- Solve a Hidato puzzle
- Solve a Holy Knight's tour
- Solve a Hopido puzzle
- Solve a Numbrix puzzle
- Solve the no connection puzzle
- Sort disjoint sublist
- Sorting algorithms/Cocktail sort
- Sorting algorithms/Comb sort
- Sorting algorithms/Counting sort
- Sorting algorithms/Heapsort
- Sorting algorithms/Insertion sort
- Sorting algorithms/Pancake sort
- Sorting algorithms/Radix sort
- Sorting algorithms/Selection sort
- Sorting algorithms/Shell sort
- Sorting algorithms/Stooge sort
- Sorting algorithms/Strand sort
- Soundex
- Sparkline in unicode
- Special characters
- Special variables
- Speech synthesis
- Spiral matrix
- Stable marriage problem
- Stack traces
- Stair-climbing puzzle
- Start from a main routine
- State name puzzle
- Statistics/Normal distribution
- Stem-and-leaf plot
- Stern-Brocot sequence
- Straddling checkerboard
- Stream Merge
- String matching
- Strip block comments
- Strip comments from a string
- Subleq
- Subtractive generator
- Sudoku
- Sum and Product Puzzle
- Sum to 100
- Superellipse
- Sutherland-Hodgman polygon clipping
- Synchronous concurrency
T
- Table creation/Postal addresses
- Taxicab numbers
- Terminal control/Clear the screen
- Terminal control/Coloured text
- Terminal control/Cursor movement
- Terminal control/Cursor positioning
- Terminal control/Dimensions
- Terminal control/Display an extended character
- Terminal control/Hiding the cursor
- Terminal control/Inverse video
- Terminal control/Positional read
- Terminal control/Preserve screen
- Terminal control/Ringing the terminal bell
- Terminal control/Unicode output
- Text processing/1
- Text processing/2
- Textonyms
- The ISAAC Cipher
- Thiele's interpolation formula
- Tic-tac-toe
- Tokenize a string with escaping
- Topic variable
- Topological sort
- Topswops
- Total circles area
- Trigonometric functions
- Truncate a file
- Twelve statements
U
V
- Validate International Securities Identification Number
- Van der Corput sequence
- Variable-length quantity
- Variable size/Get
- Variable size/Set
- Verify distribution uniformity/Chi-squared test
- Video display modes
- Vigenère cipher/Cryptanalysis
- Visualize a tree
- Vogel's approximation method
- Voronoi diagram
W
Draft tasks without implementation[edit]
These tasks as drafts, meaning they largely need more work to turn them into full tasks. Perhaps you can help by trying to implement them in Factor (after all, one of the key requirements for a task being non-draft is multiple implementations, preferably in widely different languages) but be aware that this may be difficult because of lack of definition of the task itself.
A
- A* search algorithm
- ASCII art diagram converter
- Abbreviations, automatic
- Abbreviations, simple
- Addition-chain exponentiation
- Addition chains
- Arithmetic coding/As a generalized change of radix
- Aspect Oriented Programming
- Assertions in design by contract
- AudioAlarm
- Audio Overlap Loop
- Audio frequency generator
B
C
- Cantor set
- Card shuffles
- Chebyshev coefficients
- Check input device is a terminal
- Chess player
- Chess player/Move generation
- Chess player/Program options and user interface
- Chess player/Search and evaluation
- Cipolla's algorithm
- Code segment unload
- Color wheel
- Combinations with repetitions/Square Digit Chain
- Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N)
- Continued fraction/Arithmetic/G(matrix NG, Contined Fraction N1, Contined Fraction N2)
- Convex hull
- Create an object/Native demonstration
- Cycle detection
D
E
F
- Faulhaber's formula
- Faulhaber's triangle
- Feigenbaum constant calculation
- Fibonacci heap
- File extension is in extensions list
- File size distribution
- Find URI in text
- Find duplicate files
- Find first and last set bit of a long integer
- Find the intersection of a line with a plane
- Finite state machine
- Fivenum
- Four is the number of letters in the ...
- Free polyominoes enumeration
- French Republican calendar
- Functional coverage tree
G
I
L
M
- Make a backup file
- Markov chain text generator
- Mastermind
- Matrix chain multiplication
- Mersenne primes
- Modular arithmetic
- Monads/List monad
- Monads/Maybe monad
- Monads/Writer monad
- Montgomery reduction
- Morpion solitaire
- Most frequent k chars distance
- Multi-dimensional array
- Multidimensional Newton-Raphson method
- Musical scale
O
P
R
- Railway circuit
- Ramsey's theorem
- Readline interface
- Recursive descent parser generator
- Remote agent/Agent interface
- Remote agent/Agent logic
- Remote agent/Simulation
- Reverse the gender of a string
- Robots
- Rosetta Code/List authors of task descriptions
- Rosetta Code/Rank languages by number of users
- Rosetta Code/Run examples
- Rosetta Code/Tasks sorted by average lines of code
- Rosetta Code/Tasks without examples
- Run as a daemon or service
S
- Selective File Copy
- Self-hosting compiler
- Separate the house number from the street name
- Shortest common supersequence
- Simulated annealing
- Sine wave
- Singly-linked list/Element removal
- Snake
- Snake And Ladder
- Solve a Rubik's Cube
- Solving coin problems
- Sorting Algorithms/Circle Sort
- Sorting algorithms/Cycle sort
- Sorting algorithms/Patience sort
- Sorting algorithms/Tree sort on a linked list
- Spelling of ordinal numbers
- Spinning rod animation/Text
- Spoof game
- Starting a web browser
- Subset sum problem
- Substitution Cipher
- Suffix tree
- Superpermutation minimisation
T
- Table creation
- Tamagotchi emulator
- Tarjan
- Terminal control/Restricted width positional input/No wrapping
- Terminal control/Restricted width positional input/With wrapping
- Tetris
- Text between
- Text to HTML
- Time-based One-time Password Algorithm
- Tonelli-Shanks algorithm
- Topological sort/Extracted top item
- Transportation problem
- Two Sum
U
V
W
Requiring Attention[edit]
Examples[edit]
These tasks have implementations in Factor, but somebody, somewhere, decided that the example implementation was faulty or in some other way requiring attention. If you're familiar with the task and language, please consider reviewing/correcting the example and removing the notice.
Other pages[edit]
These are other pages related to Factor which require attention; with your knowledge and assistance, we can improve the quality of the site's content.
No pages found.
Not Considered[edit]
These tasks are not generally counted toward "unimplemented", as somebody, somewhere, decided that Factor was inappropriate for these tasks, or implementations of them would be unenlightening. Feel free to try your hand at them anyway.
A
C
M
O
P
End of List[edit]
Again, feel free to try your hand at any of the tasks listed on this page.
