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#!/usr/bin/perl -w
# test 'fallback' for overload cos/sin/atan2/exp
use Test;
use strict;
BEGIN
{
$| = 1;
# to locate the testing files
my $location = $0; $location =~ s/fallback.t//i;
if ($ENV{PERL_CORE})
{
# testing with the core distribution
@INC = qw(../t/lib);
}
unshift @INC, qw(../lib); # to locate the modules
if (-d 't')
{
chdir 't';
require File::Spec;
unshift @INC, File::Spec->catdir(File::Spec->updir, $location);
}
else
{
unshift @INC, $location;
}
print "# INC = @INC\n";
plan tests => 12;
}
# The tests below test that cos(BigInt) = cos(Scalar) which is DWIM, but not
# exactly right, ideally cos(BigInt) should truncate to int() and cos(BigFloat)
# should calculate the result to X digits accuracy. For now, this is better
# than die()ing...
use Math::BigInt;
use Math::BigFloat;
my $bi = Math::BigInt->new(1);
ok (cos($bi), cos(1));
ok (sin($bi), sin(1));
ok (exp($bi), exp(1));
ok (atan2($bi,$bi), atan2(1,1));
my $bf = Math::BigInt->new(0);
ok (cos($bf), cos(0));
ok (sin($bf), sin(0));
ok (exp($bf), exp(0));
ok (atan2($bi,$bf), atan2(1,0));
ok (atan2($bf,$bi), atan2(0,1));
my $bone = Math::BigInt->new(1);
ok (cos($bone), cos(1));
ok (sin($bone), sin(1));
ok (exp($bone), exp(1));
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