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bug#7852: 23.1; Calc binary xor truncating results
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From: |
Jay Belanger |
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Subject: |
bug#7852: 23.1; Calc binary xor truncating results |
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Date: |
Mon, 17 Jan 2011 15:20:02 -0600 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
> Run the calculator with M-x calc, and enter two large
> numbers.
...
> Then, calculate the binary xor of the two numbers with b x. You will
> see that the result is truncated to a 32-bit number (32 numbers in
> binary, 8 numbers in hex).
That's expected behavior; the binary operations automatically clip their
results to the current word size and the default word size is 32.
The word size can be changed (for a single operation) with a prefix
`C-u 100 b x' or permanently with `b w'.
(See the Calc section "Binary Functions".)
Jay