INT64 arithmetic in MATLAB

Version 1.13.0.0 (21 KB) by Petter
Enables int64 Addition, subtraction, multiplication, division and modulus.
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2.8K Downloads
Updated 5 Nov 2010

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This submission enables the following operations for the int64 and uint64 data types:
* Addition
* Subtraction
* Multiplication (element-wise and matrix)
* Division (element-wise only)
* mod, abs, bitshift

See the published file for more details.

Cite As

Petter (2026). INT64 arithmetic in MATLAB (https://www.mathworks.com/matlabcentral/fileexchange/24725-int64-arithmetic-in-matlab), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2007a
Compatible with any release
Platform Compatibility
Windows macOS Linux
Categories
Find more on Operators and Elementary Operations in Help Center and MATLAB Answers
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Version Published Release Notes
1.13.0.0

Removed the compiled *.mexw32 and *.mexw64
1.12.0.0

Added colon operator for 1:n constructs
1.11.0.0

Updating according to comments by Jan Simon. Thanks!
Nothing changes for the user except the behaviour of mod(i,0)
1.10.0.0

Added matrix multiplication (not fast compared to double)
1.8.0.0

*Added support for the uint64 datatype as well
*No longer accepts A*B is A and B are matrices
*Added binaries for Windows 64-bit
1.6.0.0

Description update
1.2.0.0

Added support for the bitshift function
1.1.0.0

Update according to suggestions from Bruno Luong: Out out memory check and requiring that the dimensions of the arrays matches exactly (not just number of elements).
1.0.0.0