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  2. Midpoint circle algorithm - Wikipedia

    en.wikipedia.org/wiki/Midpoint_circle_algorithm

    Because in a continuous function, the function for a sphere is the function for a circle with the radius dependent on z (or whatever the third variable is), it stands to reason that the algorithm for a discrete sphere would also rely on the midpoint circle algorithm. But when looking at a sphere, the integer radius of some adjacent circles is ...

  3. "Hello, World!" program - Wikipedia

    en.wikipedia.org/wiki/"Hello,_World!"_program

    For example, in Python, to print the string Hello, World! followed by a newline, one only needs to write print ("Hello, World!" In contrast, the equivalent code in C++ [ 7 ] requires the import of the input/output (I/O) software library , the manual declaration of an entry point , and the explicit instruction that the output string should be ...

  4. Message Passing Interface - Wikipedia

    en.wikipedia.org/wiki/Message_Passing_Interface

    The Message Passing Interface (MPI) is a portable message-passing standard designed to function on parallel computing architectures. [1] The MPI standard defines the syntax and semantics of library routines that are useful to a wide range of users writing portable message-passing programs in C , C++ , and Fortran .

  5. Quadtree - Wikipedia

    en.wikipedia.org/wiki/Quadtree

    A region quadtree may also be used as a variable resolution representation of a data field. For example, the temperatures in an area may be stored as a quadtree, with each leaf node storing the average temperature over the subregion it represents.

  6. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    MCA – format used by Minecraft for storing data for in-game worlds [34] MLOG – A file format intended to be used for Mindustry Logic; MPQ – MPQ Archives Used by Blizzard Entertainment; NBT – format used by Minecraft for storing program variables along with their (Java) type identifiers; NL2PKG – NoLimits 2 Package

  7. Endianness - Wikipedia

    en.wikipedia.org/wiki/Endianness

    Gulliver's Travels by Jonathan Swift, the novel from which the term was coined. In computing, endianness is the order in which bytes within a word of digital data are transmitted over a data communication medium or addressed (by rising addresses) in computer memory, counting only byte significance compared to earliness.

  8. Floating-point error mitigation - Wikipedia

    en.wikipedia.org/wiki/Floating-point_error...

    Variable-length arithmetic operations are considerably slower than fixed-length format floating-point instructions. When high performance is not a requirement, but high precision is, variable length arithmetic can prove useful, though the actual accuracy of the result may not be known.

  9. SHA-1 - Wikipedia

    en.wikipedia.org/wiki/SHA-1

    Pre-processing: append the bit '1' to the message e.g. by adding 0x80 if message length is a multiple of 8 bits. append 0 ≤ k < 512 bits '0', such that the resulting message length in bits is congruent to −64 ≡ 448 (mod 512) append ml, the original message length in bits, as a 64-bit big-endian integer. Thus, the total length is a ...