view test/bug-46330.tst @ 30893:e1788b1a315f

maint: Use "fcn" as preferred abbreviation for "function" in m-files. * accumarray.m, accumdim.m, quadl.m, quadv.m, randi.m, structfun.m, __is_function__.m, uigetfile.m, uimenu.m, uiputfile.m, doc_cache_create.m, colorspace_conversion_input_check.m, imageIO.m, argnames.m, vectorize.m, vectorize.m, normest1.m, inputname.m, nthargout.m, display_info_file.m, decic.m, ode15i.m, ode15s.m, ode23.m, ode23s.m, ode45.m, odeset.m, check_default_input.m, integrate_adaptive.m, ode_event_handler.m, runge_kutta_23.m, runge_kutta_23s.m, runge_kutta_45_dorpri.m, runge_kutta_interpolate.m, starting_stepsize.m, __all_opts__.m, fminbnd.m, fminsearch.m, fminunc.m, fsolve.m, fzero.m, sqp.m, fplot.m, plotyy.m, __bar__.m, __ezplot__.m, flat_entry.html, profexport.m, movfun.m, bicg.m, bicgstab.m, cgs.m, eigs.m, gmres.m, pcg.m, __alltohandles__.m, __sprand__.m, qmr.m, tfqmr.m, dump_demos.m: Replace "func", "fun", "fn" in documentation and variable names with "fcn".
author Rik <rik@octave.org>
date Mon, 04 Apr 2022 18:14:56 -0700
parents 796f54d4ddbf
children 597f3ee61a48
line wrap: on
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########################################################################
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########################################################################

## bug #46330: segfault with matrices containing Inf & NaN

%!warning
%! a = [-0.46E-01,            0.10681415316, 0.0,   -0.17121680433;
%!      -0.1675901504661613, -0.515,         1.0,    0.6420630320636088E-02;
%!       0.1543104215347786, -0.547945,     -0.906, -0.1521689385990753E-02;
%!       0.0,                 0.0,           1.0,    0.0];
%!
%! b = [0.1602300107479095,      0.2111848453E-02;
%!      0.8196877780963616E-02, -0.3025E-01;
%!      0.9173594317692437E-01, -0.75283075;
%!      0.0,                     0.0];
%!
%! c = [1.0, 0.0, 0.0, 0.0;
%!      0.0, 0.0, 0.0, 1.0];
%!
%! ## This statement caused an error in LAPACK and eventually caused
%! ## a segmentation fault.
%! ## Triggers "warning: matrix singular to machine precision"
%! assert (c / (i * Inf * eye (4) - a) * b, zeros (2, 2))