https://bugs.kde.org/show_bug.cgi?id=393487
Bug ID: 393487
Summary: range(0, 1, 0.2) fails test on x86 (misses 1)
Product: analitza
Version: unspecified
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: core
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I'm the KDE maintainer for the Adélie Linux distro, a newer distribution (based
on Alpine) that uses the musl libc. While building analitza 17.12.2 for the
32-bit x86 architecture:
********* Start testing of CommandsTest *********
Config: Using QtTest library 5.9.3, Qt 5.9.3 (i386-little_endian-ilp32 shared
(dynamic) release build; by GCC 6.4.0)
PASS : CommandsTest::initTestCase()
PASS : CommandsTest::testCorrect(simple range)
PASS : CommandsTest::testCorrect(range(a,b))
FAIL! : CommandsTest::testCorrect(range(a,b)) Compared values are not the same
Actual (last.toString()): "list { 0, 0.2, 0.4, 0.6, 0.8 }"
Expected (result) : "list { 0, 0.2, 0.4, 0.6, 0.8, 1 }"
Loc:
[/usr/src/packages/user/analitza/src/analitza-17.12.2/analitza/tests/commandstest.cpp(422)]
This is the only test that fails. Trying a simple C program:
#include <stdio.h>
int main(void)
{
for(double x = 0.0; x <= 1.0; x += 0.2)
printf("%.02f\n", x);
return 0;
}
does produce the intended result:
0.00
0.20
0.40
0.60
0.80
1.00
so it doesn't seem like the architecture itself is the problem. I will note
that Analitza passes its test suite successfully on x86_64, 32-bit PowerPC, and
64-bit PowerPC. I'm not sure how else to help debug this failure.
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