3 # Test broot function (and bsqrt() function, since it is used by broot()).
5 # It is too slow to be simple included in bigfltpm.inc, where it would get
8 # But it is better to test the numerical functionality, instead of not testing
17 # to locate the testing files
18 my $location = $0; $location =~ s/bigroot.t//i;
21 # testing with the core distribution
24 unshift @INC, '../lib';
29 unshift @INC, File::Spec->catdir(File::Spec->updir, $location);
33 unshift @INC, $location;
35 print "# INC = @INC\n";
43 my $cl = "Math::BigFloat";
44 my $c = "Math::BigInt";
47 # 1766847064778384329583297500742918515827483896875618958121606201292619776
50 #test_broot ('2','240', 8, undef, '1073741824');
51 #test_broot ('2','240', 9, undef, '106528681.3099908308759836475139583940127');
52 #test_broot ('2','120', 9, undef, '10321.27324073880096577298929482324664787');
53 #test_broot ('2','120', 17, undef, '133.3268493632747279600707813049418888729');
55 test_broot ('2','120', 8, undef, '32768');
56 test_broot ('2','60', 8, undef, '181.0193359837561662466161566988413540569');
57 test_broot ('2','60', 9, undef, '101.5936673259647663841091609134277286651');
58 test_broot ('2','60', 17, undef, '11.54672461623965153271017217302844672562');
62 my ($x,$n,$y,$scale,$result) = @_;
64 my $s = $scale || 'undef';
65 is ($cl->new($x)->bpow($n)->broot($y,$scale),$result, "Try: $cl $x->bpow($n)->broot($y,$s) == $result");
67 is ($c->new($x)->bpow($n)->broot($y,$scale),$result, "Try: $c $x->bpow($n)->broot($y,$s) == $result");