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[Octave-bug-tracker] [bug #54414] Not recognizing that indices greater t
From: |
Dan Sebald |
Subject: |
[Octave-bug-tracker] [bug #54414] Not recognizing that indices greater than (roughly) 2^63 or 20 digits are too large |
Date: |
Tue, 31 Jul 2018 22:38:48 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0 |
URL:
<http://savannah.gnu.org/bugs/?54414>
Summary: Not recognizing that indices greater than (roughly)
2^63 or 20 digits are too large
Project: GNU Octave
Submitted by: sebald
Submitted on: Wed 01 Aug 2018 02:38:47 AM UTC
Category: Interpreter
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: GNU/Linux
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Details:
When a value input to zeros is larger than approximately 2^63, or maybe it is
20 digits, there is no warning about too big and instead the value is treated
as 0. E.g.,
octave:1> int64(inf)
ans = 9223372036854775807
octave:2> zeros(9223372036854775807)
ans = [](0x0)
octave:3> # Drop a digit
octave:3> zeros(922337203685477580)
error: out of memory or dimension too large for Octave's index type
octave:3>
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Dan Sebald <=