diff options
author | Perl 5 Porters <perl5-porters@africa.nicoh.com> | 1997-04-03 10:03:25 +1200 |
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committer | Chip Salzenberg <chip@atlantic.net> | 1997-04-03 10:03:25 +1200 |
commit | 5aabfad66ac77650f584e2f07af91645e19fe296 (patch) | |
tree | ac96571984ba780e9ae7736cfe85dd17f6cfd865 /t/lib/trig.t | |
parent | 4a6725af9146bd7faaa10aa5429ff009d393fd6d (diff) | |
download | perl-5aabfad66ac77650f584e2f07af91645e19fe296.tar.gz |
[inseparable changes from match from perl-5.003_97 to perl-5.003_97a]
CORE PORTABILITY
Subject: Add support for Cygwin32 (GNU-Win32) -- very low impact
Date: Thu, 3 Apr 1997 09:21:17 +0100
From: John Cerney <j-cerney1@ti.com>
Files: MANIFEST README.cygwin32 cygwin32/cw32imp.h cygwin32/gcc2 cygwin32/ld2 cygwin32/perlgcc cygwin32/perlld ext/DynaLoader/dl_cygwin32.xs hints/cygwin32.sh perl.h pp_sys.c
Msg-ID: 199704030821.JAA08762@pluto.tiuk.ti.com
(applied based on p5p patch as commit 2a079e0090406b1b2e50643540f149206c9e9de8)
Subject: Win32 update (six patches)
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: MANIFEST README.win32 dosish.h t/io/fs.t t/io/tell.t t/lib/io_tell.t t/op/magic.t t/op/mkdir.t t/op/runlevel.t t/op/stat.t t/op/taint.t win32/Makefile win32/VC-2.0/pod.mak win32/makedef.pl win32/pod.mak win32/win32.c win32/win32.h win32/win32io.c win32/win32io.h win32/win32iop.h
LIBRARY AND EXTENSIONS
Subject: Math::Trig, based on (and from an author of) Math::Complex
From: Chip Salzenberg <chip@perl.com>
Files: MANIFEST lib/Math/Complex.pm lib/Math/Trig.pm pod/perldelta.pod t/lib/complex.t t/lib/trig.t
OTHER CORE CHANGES
Subject: Fix const-sub-related panic on C<sub foo { my $x; 0 } foo>
From: Chip Salzenberg <chip@perl.com>
Files: op.c
Subject: Fix warning for useless C<1..2>
From: Chip Salzenberg <chip@perl.com>
Files: op.c
Subject: Minor cleanups
Date: Thu, 03 Apr 1997 19:56:57 -0500
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: mg.c mg.h perl.c
Msg-ID: 199704040056.TAA22253@aatma.engin.umich.edu
(applied based on p5p patch as commit 609794497049cf42bdd2396c04cbb7728e10374d)
Subject: Eliminate unreliable warning with %SIG and strict refs
From: Chip Salzenberg <chip@perl.com>
Files: mg.c
Subject: Fix impossible test in vivification
From: Chip Salzenberg <chip@perl.com>
Files: mg.c
Diffstat (limited to 't/lib/trig.t')
-rw-r--r-- | t/lib/trig.t | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/t/lib/trig.t b/t/lib/trig.t new file mode 100644 index 0000000000..57746fdcd4 --- /dev/null +++ b/t/lib/trig.t @@ -0,0 +1,54 @@ +#!./perl + +# +# Regression tests for the Math::Trig package +# +# The tests are quite modest as the Math::Complex tests exercise +# these quite vigorously. +# +# -- Jarkko Hietaniemi, April 1997 + +BEGIN { + chdir 't' if -d 't'; + @INC = '../lib'; +} + +use Math::Trig; + +use strict; + +use vars qw($x $y $z); + +my $eps = 1e-11; + +sub near ($$;$) { + abs($_[0] - $_[1]) < (defined $_[2] ? $_[2] : $eps); +} + +print "1..6\n"; + +$x = 0.9; +print 'not ' unless (near(tan($x), sin($x) / cos($x))); +print "ok 1\n"; + +print 'not ' unless (near(sinh(2), 3.62686040784702)); +print "ok 2\n"; + +print 'not ' unless (near(acsch(0.1), 2.99822295029797)); +print "ok 3\n"; + +$x = asin(2); +print 'not ' unless (ref $x eq 'Math::Complex'); +print "ok 4\n"; + +# avoid using Math::Complex here +$x =~ /^([^-]+)(-[^i]+)i$/; +($y, $z) = ($1, $2); +print 'not ' unless (near($y, 1.5707963267949) and + near($z, -1.31695789692482)); +print "ok 5\n"; + +print 'not ' unless (near(deg_to_rad(90), pi/2)); +print "ok 6\n"; + +# eof |