test/t7100-solver-blend.pl

   1 #!/usr/bin/perl -w
   2 # -----------------------------------------------------------------------------
   3
   4 use strict;
   5 use lib ($0 =~ m|^(.*/)| ? $1 : ".");
   6 use GnumericTest;
   7
   8 &GnumericTest::report_skip ("No linear solver found")
   9     unless &GnumericTest::has_linear_solver ();
  10
  11 my $file = "blend.mps";
  12 my $answer = -30.8121498458281;
  13 # lp_solve:  -30.81221619004;
  14 my $tol = 1e-4;
  15 &message ("Check solver on $file problem.");
  16 &test_sheet_calc ("$samples/solver/$file", ['--solve'], "B5",
  17                   sub {
  18                       chomp;
  19                       return (/^[-+]?(\d|\.\d)/ &&
  20                               abs ($answer - $_) < $tol);
  21                   });