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This queue is for tickets about the PDL-Graphics-Gnuplot CPAN distribution.

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The Basics
Id: 127954
Status: new
Priority: 0/
Queue: PDL-Graphics-Gnuplot
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Owner: Nobody in particular
Requestors: SREZIC [...] cpan.org
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AdminCc:
Bug Information
Severity: (no value)
Broken in: 2.011_02
Fixed in: (no value)

History Show all quoted text
  Fri Dec 07 02:17:54 2018 SREZIC [...] cpan.org - Ticket created
Subject: t/plot.t fails on Ubuntu 18.04
On my Ubuntu 18.04 smoker the test suite fails (with various perl versions): ... # # P::G::G v2.01102, gnuplot v5.2, Perl v5.026001, /opt/perl-5.26.1/bin/perl on linux # INFO: Plotting to 'Plot-1.txt' at t/plot.t line 537. INFO: Plotting to 'Plot-1.txt' at t/plot.t line 548. INFO: Plotting to 'Plot-1.txt' at t/plot.t line 556. ****************************** Skipping 27 interactive tests. Set the environment variable GNUPLOT_INTERACTIVE to enable them. ****************************** # Failed test 'Setting empty plot title sets an empty title' # at t/plot.t line 862. Gnuplot warning: empty y range [0:0], adjusting to [-1:1] at t/plot.t line 969. INFO: Plotting to 'Plot-1.txt' at t/plot.t line 1059. INFO: Plotting to 'Plot-2.txt' at t/plot.t line 1062. # Looks like you failed 1 test of 185. t/plot.t ...... Failed 1/185 subtests (less 32 skipped subtests: 152 okay) ...
  Fri Dec 07 02:57:20 2018 SREZIC [...] cpan.org - Correspondence added
On 2018-12-07 02:17:54, SREZIC wrote: Show quoted text
> On my Ubuntu 18.04 smoker the test suite fails (with various perl > versions): > > ... > # > # P::G::G v2.01102, gnuplot v5.2, Perl v5.026001, /opt/perl- > 5.26.1/bin/perl on linux # > INFO: Plotting to 'Plot-1.txt' > at t/plot.t line 537. > INFO: Plotting to 'Plot-1.txt' > at t/plot.t line 548. > INFO: Plotting to 'Plot-1.txt' > at t/plot.t line 556. > > > ****************************** > Skipping 27 interactive tests. > Set the environment variable GNUPLOT_INTERACTIVE to enable them. > ****************************** > > > # Failed test 'Setting empty plot title sets an empty title' > # at t/plot.t line 862. > Gnuplot warning: empty y range [0:0], adjusting to [-1:1] > at t/plot.t line 969. > INFO: Plotting to 'Plot-1.txt' > at t/plot.t line 1059. > INFO: Plotting to 'Plot-2.txt' > at t/plot.t line 1062. > # Looks like you failed 1 test of 185. > t/plot.t ...... > Failed 1/185 subtests > (less 32 skipped subtests: 152 okay) > ...
The test fails also on other systems. Currently it looks like the problem is gnuplot 5.2. Statistical analysis (in this case theta=0 means "bad"): **************************************************************** Regression 'qr:gnuplot v([^,]+)' **************************************************************** Name Theta StdErr T-stat [0='const'] 0.0000 0.0000 7.87 [1='eq_4.6'] 1.0000 0.0000 20175114162040816.00 [2='eq_5.0'] 1.0000 0.0000 20218736081426804.00 [3='eq_5.2'] -0.0000 0.0000 -5.29 R^2= 1.000, N= 68, K= 4 ****************************************************************