On 09/02/2011 04:59 PM, Doug Hunt wrote:
Hi Orion, all: I've just uploaded a new version of PDL-Graphics-PLplot to CPAN
(v 0.57) which incorporates some fixes recently merged in from the the PDL
source tree and also includes an improved plplot_library_tests.t.
This test now compiles and runs the C sources
from the plplot examples directory and compares them to the perl equivalent
output instead of using canned C output for comparison.
Okay, I'm running into a interesting failure on i686 only:
# Failed test 'Output file x28p.svg.1 matches C output'
# at t/plplot_library_tests.t line 65.
# Failed test 'Output file x28p.svg.2 matches C output'
# at t/plplot_library_tests.t line 65.
# Failed test 'Output file x28p.svg.4 matches C output'
# at t/plplot_library_tests.t line 65.
# Looks like you failed 3 tests of 242.
t/plplot_library_tests.t ..
The difference in all three are like the following:
$ diff x28[cp].svg.1
991c991
< transform="matrix(0.728866 0.165055 -0.000000 -1.000000 222.106388
332.170782)"
---
> transform="matrix(0.728866 0.165055 0.000000 -1.000000 222.106388
332.170782)"
a difference in the sign of 0. The -0 result appears to be more "correct" in
that that is what is present in both the C and perl x86_64 tests. This is
pretty baffling to me. Thoughts?
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA/CoRA Division FAX: 303-415-9702
3380 Mitchell Lane [email protected]
Boulder, CO 80301 http://www.cora.nwra.com
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