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[Octave-bug-tracker] [bug #59955] dlmwrite fails silently for variables
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From: |
Rik |
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Subject: |
[Octave-bug-tracker] [bug #59955] dlmwrite fails silently for variables larger than 2^31 elements |
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Date: |
Thu, 28 Jan 2021 12:38:32 -0500 (EST) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36 |
Update of bug #59955 (project octave):
Status: None => Confirmed
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Follow-up Comment #1:
Confirmed. Likely that dlmwrite (which is quite old code) is somehow using
int or int32_t rather than octave_idx_type (which is configured as 64 or 32
bits). The modified test I used was
## FAILS
foo = ones (2^31, 1, "uint8"); # larger than 2^31 elements, fails
## WORKS
foo = ones (2^31-1, 1, "uint8"); # larger than 2^31 elements, fails
dlmwrite ("large_dlmwrite.txt", foo);
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