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-rw-r--r--lib/Math/BigInt/t/mbimbf.inc967
1 files changed, 0 insertions, 967 deletions
diff --git a/lib/Math/BigInt/t/mbimbf.inc b/lib/Math/BigInt/t/mbimbf.inc
deleted file mode 100644
index b057eee3ec..0000000000
--- a/lib/Math/BigInt/t/mbimbf.inc
+++ /dev/null
@@ -1,967 +0,0 @@
-# test rounding, accuracy, precicion and fallback, round_mode and mixing
-# of classes
-
-# Make sure you always quote any bare floating-point values, lest 123.46 will
-# be stringified to 123.4599999999 due to limited float prevision.
-
-use strict;
-my ($x,$y,$z,$u,$rc);
-
-###############################################################################
-# test defaults and set/get
-
-{
- no strict 'refs';
- ok_undef (${"$mbi\::accuracy"});
- ok_undef (${"$mbi\::precision"});
- ok_undef ($mbi->accuracy());
- ok_undef ($mbi->precision());
- ok (${"$mbi\::div_scale"},40);
- ok (${"$mbi\::round_mode"},'even');
- ok ($mbi->round_mode(),'even');
-
- ok_undef (${"$mbf\::accuracy"});
- ok_undef (${"$mbf\::precision"});
- ok_undef ($mbf->precision());
- ok_undef ($mbf->precision());
- ok (${"$mbf\::div_scale"},40);
- ok (${"$mbf\::round_mode"},'even');
- ok ($mbf->round_mode(),'even');
-}
-
-# accessors
-foreach my $class ($mbi,$mbf)
- {
- ok_undef ($class->accuracy());
- ok_undef ($class->precision());
- ok ($class->round_mode(),'even');
- ok ($class->div_scale(),40);
-
- ok ($class->div_scale(20),20);
- $class->div_scale(40); ok ($class->div_scale(),40);
-
- ok ($class->round_mode('odd'),'odd');
- $class->round_mode('even'); ok ($class->round_mode(),'even');
-
- ok ($class->accuracy(2),2);
- $class->accuracy(3); ok ($class->accuracy(),3);
- ok_undef ($class->accuracy(undef));
-
- ok ($class->precision(2),2);
- ok ($class->precision(-2),-2);
- $class->precision(3); ok ($class->precision(),3);
- ok_undef ($class->precision(undef));
- }
-
-{
- no strict 'refs';
- # accuracy
- foreach (qw/5 42 -1 0/)
- {
- ok (${"$mbf\::accuracy"} = $_,$_);
- ok (${"$mbi\::accuracy"} = $_,$_);
- }
- ok_undef (${"$mbf\::accuracy"} = undef);
- ok_undef (${"$mbi\::accuracy"} = undef);
-
- # precision
- foreach (qw/5 42 -1 0/)
- {
- ok (${"$mbf\::precision"} = $_,$_);
- ok (${"$mbi\::precision"} = $_,$_);
- }
- ok_undef (${"$mbf\::precision"} = undef);
- ok_undef (${"$mbi\::precision"} = undef);
-
- # fallback
- foreach (qw/5 42 1/)
- {
- ok (${"$mbf\::div_scale"} = $_,$_);
- ok (${"$mbi\::div_scale"} = $_,$_);
- }
- # illegal values are possible for fallback due to no accessor
-
- # round_mode
- foreach (qw/odd even zero trunc +inf -inf/)
- {
- ok (${"$mbf\::round_mode"} = $_,$_);
- ok (${"$mbi\::round_mode"} = $_,$_);
- }
- ${"$mbf\::round_mode"} = 'zero';
- ok (${"$mbf\::round_mode"},'zero');
- ok (${"$mbi\::round_mode"},'-inf'); # from above
-
- # reset for further tests
- ${"$mbi\::accuracy"} = undef;
- ${"$mbi\::precision"} = undef;
- ${"$mbf\::div_scale"} = 40;
-}
-
-# local copies
-$x = $mbf->new('123.456');
-ok_undef ($x->accuracy());
-ok ($x->accuracy(5),5);
-ok_undef ($x->accuracy(undef),undef);
-ok_undef ($x->precision());
-ok ($x->precision(5),5);
-ok_undef ($x->precision(undef),undef);
-
-{
- no strict 'refs';
- # see if MBF changes MBIs values
- ok (${"$mbi\::accuracy"} = 42,42);
- ok (${"$mbf\::accuracy"} = 64,64);
- ok (${"$mbi\::accuracy"},42); # should be still 42
- ok (${"$mbf\::accuracy"},64); # should be now 64
-}
-
-###############################################################################
-# see if creating a number under set A or P will round it
-
-{
- no strict 'refs';
- ${"$mbi\::accuracy"} = 4;
- ${"$mbi\::precision"} = undef;
-
- ok ($mbi->new(123456),123500); # with A
- ${"$mbi\::accuracy"} = undef;
- ${"$mbi\::precision"} = 3;
- ok ($mbi->new(123456),123000); # with P
-
- ${"$mbf\::accuracy"} = 4;
- ${"$mbf\::precision"} = undef;
- ${"$mbi\::precision"} = undef;
-
- ok ($mbf->new('123.456'),'123.5'); # with A
- ${"$mbf\::accuracy"} = undef;
- ${"$mbf\::precision"} = -1;
- ok ($mbf->new('123.456'),'123.5'); # with P from MBF, not MBI!
-
- ${"$mbf\::precision"} = undef; # reset
-}
-
-###############################################################################
-# see if MBI leaves MBF's private parts alone
-
-{
- no strict 'refs';
- ${"$mbi\::precision"} = undef; ${"$mbf\::precision"} = undef;
- ${"$mbi\::accuracy"} = 4; ${"$mbf\::accuracy"} = undef;
- ok ($mbf->new('123.456'),'123.456');
- ${"$mbi\::accuracy"} = undef; # reset
-}
-
-###############################################################################
-# see if setting accuracy/precision actually rounds the number
-
-$x = $mbf->new('123.456'); $x->accuracy(4); ok ($x,'123.5');
-$x = $mbf->new('123.456'); $x->precision(-2); ok ($x,'123.46');
-
-$x = $mbi->new(123456); $x->accuracy(4); ok ($x,123500);
-$x = $mbi->new(123456); $x->precision(2); ok ($x,123500);
-
-###############################################################################
-# test actual rounding via round()
-
-$x = $mbf->new('123.456');
-ok ($x->copy()->round(5),'123.46');
-ok ($x->copy()->round(4),'123.5');
-ok ($x->copy()->round(5,2),'NaN');
-ok ($x->copy()->round(undef,-2),'123.46');
-ok ($x->copy()->round(undef,2),120);
-
-$x = $mbi->new('123');
-ok ($x->round(5,2),'NaN');
-
-$x = $mbf->new('123.45000');
-ok ($x->copy()->round(undef,-1,'odd'),'123.5');
-
-# see if rounding is 'sticky'
-$x = $mbf->new('123.4567');
-$y = $x->copy()->bround(); # no-op since nowhere A or P defined
-
-ok ($y,123.4567);
-$y = $x->copy()->round(5);
-ok ($y->accuracy(),5);
-ok_undef ($y->precision()); # A has precedence, so P still unset
-$y = $x->copy()->round(undef,2);
-ok ($y->precision(),2);
-ok_undef ($y->accuracy()); # P has precedence, so A still unset
-
-# see if setting A clears P and vice versa
-$x = $mbf->new('123.4567');
-ok ($x,'123.4567');
-ok ($x->accuracy(4),4);
-ok ($x->precision(-2),-2); # clear A
-ok_undef ($x->accuracy());
-
-$x = $mbf->new('123.4567');
-ok ($x,'123.4567');
-ok ($x->precision(-2),-2);
-ok ($x->accuracy(4),4); # clear P
-ok_undef ($x->precision());
-
-# does copy work?
-$x = $mbf->new(123.456); $x->accuracy(4); $x->precision(2);
-$z = $x->copy(); ok_undef ($z->accuracy(),undef); ok ($z->precision(),2);
-
-# does $x->bdiv($y,d) work when $d > div_scale?
-$x = $mbf->new('0.008'); $x->accuracy(8);
-
-for my $e ( 4, 8, 16, 32 )
- {
- print "# Tried: $x->bdiv(3,$e)\n"
- unless ok (scalar $x->copy()->bdiv(3,$e), '0.002' . ('6' x ($e-2)) . '7');
- }
-
-# does accuracy()/precision work on zeros?
-foreach my $c ($mbi,$mbf)
- {
- $x = $c->bzero(); $x->accuracy(5); ok ($x->{_a},5);
- $x = $c->bzero(); $x->precision(5); ok ($x->{_p},5);
- $x = $c->new(0); $x->accuracy(5); ok ($x->{_a},5);
- $x = $c->new(0); $x->precision(5); ok ($x->{_p},5);
-
- $x = $c->bzero(); $x->round(5); ok ($x->{_a},5);
- $x = $c->bzero(); $x->round(undef,5); ok ($x->{_p},5);
- $x = $c->new(0); $x->round(5); ok ($x->{_a},5);
- $x = $c->new(0); $x->round(undef,5); ok ($x->{_p},5);
-
- # see if trying to increasing A in bzero() doesn't do something
- $x = $c->bzero(); $x->{_a} = 3; $x->round(5); ok ($x->{_a},3);
- }
-
-###############################################################################
-# test whether an opp calls objectify properly or not (or at least does what
-# it should do given non-objects, w/ or w/o objectify())
-
-foreach my $c ($mbi,$mbf)
- {
-# ${"$c\::precision"} = undef; # reset
-# ${"$c\::accuracy"} = undef; # reset
-
- ok ($c->new(123)->badd(123),246);
- ok ($c->badd(123,321),444);
- ok ($c->badd(123,$c->new(321)),444);
-
- ok ($c->new(123)->bsub(122),1);
- ok ($c->bsub(321,123),198);
- ok ($c->bsub(321,$c->new(123)),198);
-
- ok ($c->new(123)->bmul(123),15129);
- ok ($c->bmul(123,123),15129);
- ok ($c->bmul(123,$c->new(123)),15129);
-
-# ok ($c->new(15129)->bdiv(123),123);
-# ok ($c->bdiv(15129,123),123);
-# ok ($c->bdiv(15129,$c->new(123)),123);
-
- ok ($c->new(15131)->bmod(123),2);
- ok ($c->bmod(15131,123),2);
- ok ($c->bmod(15131,$c->new(123)),2);
-
- ok ($c->new(2)->bpow(16),65536);
- ok ($c->bpow(2,16),65536);
- ok ($c->bpow(2,$c->new(16)),65536);
-
- ok ($c->new(2**15)->brsft(1),2**14);
- ok ($c->brsft(2**15,1),2**14);
- ok ($c->brsft(2**15,$c->new(1)),2**14);
-
- ok ($c->new(2**13)->blsft(1),2**14);
- ok ($c->blsft(2**13,1),2**14);
- ok ($c->blsft(2**13,$c->new(1)),2**14);
- }
-
-###############################################################################
-# test wether operations round properly afterwards
-# These tests are not complete, since they do not excercise every "return"
-# statement in the op's. But heh, it's better than nothing...
-
-$x = $mbf->new('123.456');
-$y = $mbf->new('654.321');
-$x->{_a} = 5; # $x->accuracy(5) would round $x straightaway
-$y->{_a} = 4; # $y->accuracy(4) would round $x straightaway
-
-$z = $x + $y; ok ($z,'777.8');
-$z = $y - $x; ok ($z,'530.9');
-$z = $y * $x; ok ($z,'80780');
-$z = $x ** 2; ok ($z,'15241');
-$z = $x * $x; ok ($z,'15241');
-
-# not: $z = -$x; ok ($z,'-123.46'); ok ($x,'123.456');
-$z = $x->copy(); $z->{_a} = 2; $z = $z / 2; ok ($z,62);
-$x = $mbf->new(123456); $x->{_a} = 4;
-$z = $x->copy; $z++; ok ($z,123500);
-
-$x = $mbi->new(123456);
-$y = $mbi->new(654321);
-$x->{_a} = 5; # $x->accuracy(5) would round $x straightaway
-$y->{_a} = 4; # $y->accuracy(4) would round $x straightaway
-
-$z = $x + $y; ok ($z,777800);
-$z = $y - $x; ok ($z,530900);
-$z = $y * $x; ok ($z,80780000000);
-$z = $x ** 2; ok ($z,15241000000);
-# not yet: $z = -$x; ok ($z,-123460); ok ($x,123456);
-$z = $x->copy; $z++; ok ($z,123460);
-$z = $x->copy(); $z->{_a} = 2; $z = $z / 2; ok ($z,62000);
-
-$x = $mbi->new(123400); $x->{_a} = 4;
-ok ($x->bnot(),-123400); # not -1234001
-
-# both babs() and bneg() don't need to round, since the input will already
-# be rounded (either as $x or via new($string)), and they don't change the
-# value. The two tests below peek at this by using _a (illegally) directly
-$x = $mbi->new(-123401); $x->{_a} = 4; ok ($x->babs(),123401);
-$x = $mbi->new(-123401); $x->{_a} = 4; ok ($x->bneg(),123401);
-
-# test fdiv rounding to A and R (bug in v1.48 and maybe earlier versions)
-$mbf->round_mode('even');
-$x = $mbf->new('740.7')->fdiv('6',4,undef,'zero'); ok ($x,'123.4');
-
-$x = $mbi->new('123456'); $y = $mbi->new('123456'); $y->{_a} = 6;
-ok ($x->bdiv($y),1); ok ($x->{_a},6); # carried over
-
-$x = $mbi->new('123456'); $y = $mbi->new('123456'); $x->{_a} = 6;
-ok ($x->bdiv($y),1); ok ($x->{_a},6); # carried over
-
-$x = $mbi->new('123456'); $y = $mbi->new('223456'); $y->{_a} = 6;
-ok ($x->bdiv($y),0); ok ($x->{_a},6); # carried over
-
-$x = $mbi->new('123456'); $y = $mbi->new('223456'); $x->{_a} = 6;
-ok ($x->bdiv($y),0); ok ($x->{_a},6); # carried over
-
-###############################################################################
-# test that bop(0) does the same than bop(undef)
-
-$x = $mbf->new('1234567890');
-ok ($x->copy()->bsqrt(0),$x->copy()->bsqrt(undef));
-ok ($x->copy->bsqrt(0),'35136.41828644462161665823116758077037159');
-
-ok_undef ($x->{_a});
-
-# test that bsqrt() modifies $x and does not just return something else
-# (especially under BareCalc)
-$z = $x->bsqrt();
-ok ($z,$x); ok ($x,'35136.41828644462161665823116758077037159');
-
-$x = $mbf->new('1.234567890123456789');
-ok ($x->copy()->bpow('0.5',0),$x->copy()->bpow('0.5',undef));
-ok ($x->copy()->bpow('0.5',0),$x->copy()->bsqrt(undef));
-ok ($x->copy()->bpow('2',0),'1.524157875323883675019051998750190521');
-
-###############################################################################
-# test (also under Bare) that bfac() rounds at last step
-
-ok ($mbi->new(12)->bfac(),'479001600');
-ok ($mbi->new(12)->bfac(2),'480000000');
-$x = $mbi->new(12); $x->accuracy(2); ok ($x->bfac(),'480000000');
-$x = $mbi->new(13); $x->accuracy(2); ok ($x->bfac(),'6200000000');
-$x = $mbi->new(13); $x->accuracy(3); ok ($x->bfac(),'6230000000');
-$x = $mbi->new(13); $x->accuracy(4); ok ($x->bfac(),'6227000000');
-# this does 1,2,3...9,10,11,12...20
-$x = $mbi->new(20); $x->accuracy(1); ok ($x->bfac(),'2000000000000000000');
-
-###############################################################################
-# test bsqrt) rounding to given A/P/R (bug prior to v1.60)
-$x = $mbi->new('123456')->bsqrt(2,undef); ok ($x,'350'); # not 351
-$x = $mbi->new('3')->bsqrt(2,undef); ok ($x->accuracy(),2);
-
-$mbi->round_mode('even'); $x = $mbi->new('126025')->bsqrt(2,undef,'+inf');
-ok ($x,'360'); # not 355 nor 350
-
-$x = $mbi->new('126025')->bsqrt(undef,2); ok ($x,'400'); # not 355
-
-
-###############################################################################
-# test mixed arguments
-
-$x = $mbf->new(10);
-$u = $mbf->new(2.5);
-$y = $mbi->new(2);
-
-$z = $x + $y; ok ($z,12); ok (ref($z),$mbf);
-$z = $x / $y; ok ($z,5); ok (ref($z),$mbf);
-$z = $u * $y; ok ($z,5); ok (ref($z),$mbf);
-
-$y = $mbi->new(12345);
-$z = $u->copy()->bmul($y,2,undef,'odd'); ok ($z,31000);
-$z = $u->copy()->bmul($y,3,undef,'odd'); ok ($z,30900);
-$z = $u->copy()->bmul($y,undef,0,'odd'); ok ($z,30863);
-$z = $u->copy()->bmul($y,undef,1,'odd'); ok ($z,30863);
-$z = $u->copy()->bmul($y,undef,2,'odd'); ok ($z,30860);
-$z = $u->copy()->bmul($y,undef,3,'odd'); ok ($z,30900);
-$z = $u->copy()->bmul($y,undef,-1,'odd'); ok ($z,30862.5);
-
-my $warn = ''; $SIG{__WARN__} = sub { $warn = shift; };
-# these should no longer warn, even tho '3.17' is a NaN in BigInt (>= returns
-# now false, bug until v1.80)
-$warn = ''; eval "\$z = 3.17 <= \$y"; ok ($z, '');
-print "# Got: '$warn'\n" unless
-ok ($warn !~ /^Use of uninitialized value (\$y )?(in numeric le \(<=\) |)at/);
-$warn = ''; eval "\$z = \$y >= 3.17"; ok ($z, '');
-print "# Got: '$warn'\n" unless
-ok ($warn !~ /^Use of uninitialized value (\$y )?(in numeric ge \(>=\) |)at/);
-
-# XXX TODO breakage:
-# $z = $y->copy()->bmul($u,2,0,'odd'); ok ($z,31000);
-# $z = $y * $u; ok ($z,5); ok (ref($z),$mbi);
-# $z = $y + $x; ok ($z,12); ok (ref($z),$mbi);
-# $z = $y / $x; ok ($z,0); ok (ref($z),$mbi);
-
-###############################################################################
-# rounding in bdiv with fallback and already set A or P
-
-{
- no strict 'refs';
- ${"$mbf\::accuracy"} = undef;
- ${"$mbf\::precision"} = undef;
- ${"$mbf\::div_scale"} = 40;
-}
-
- $x = $mbf->new(10); $x->{_a} = 4;
- ok ($x->bdiv(3),'3.333');
- ok ($x->{_a},4); # set's it since no fallback
-
-$x = $mbf->new(10); $x->{_a} = 4; $y = $mbf->new(3);
-ok ($x->bdiv($y),'3.333');
-ok ($x->{_a},4); # set's it since no fallback
-
-# rounding to P of x
-$x = $mbf->new(10); $x->{_p} = -2;
-ok ($x->bdiv(3),'3.33');
-
-# round in div with requested P
-$x = $mbf->new(10);
-ok ($x->bdiv(3,undef,-2),'3.33');
-
-# round in div with requested P greater than fallback
-{
- no strict 'refs';
- ${"$mbf\::div_scale"} = 5;
- $x = $mbf->new(10);
- ok ($x->bdiv(3,undef,-8),'3.33333333');
- ${"$mbf\::div_scale"} = 40;
-}
-
-$x = $mbf->new(10); $y = $mbf->new(3); $y->{_a} = 4;
-ok ($x->bdiv($y),'3.333');
-ok ($x->{_a},4); ok ($y->{_a},4); # set's it since no fallback
-ok_undef ($x->{_p}); ok_undef ($y->{_p});
-
-# rounding to P of y
-$x = $mbf->new(10); $y = $mbf->new(3); $y->{_p} = -2;
-ok ($x->bdiv($y),'3.33');
-ok ($x->{_p},-2);
- ok ($y->{_p},-2);
-ok_undef ($x->{_a}); ok_undef ($y->{_a});
-
-###############################################################################
-# test whether bround(-n) fails in MBF (undocumented in MBI)
-eval { $x = $mbf->new(1); $x->bround(-2); };
-ok ($@ =~ /^bround\(\) needs positive accuracy/,1);
-
-# test whether rounding to higher accuracy is no-op
-$x = $mbf->new(1); $x->{_a} = 4;
-ok ($x,'1.000');
-$x->bround(6); # must be no-op
-ok ($x->{_a},4);
-ok ($x,'1.000');
-
-$x = $mbi->new(1230); $x->{_a} = 3;
-ok ($x,'1230');
-$x->bround(6); # must be no-op
-ok ($x->{_a},3);
-ok ($x,'1230');
-
-# bround(n) should set _a
-$x->bround(2); # smaller works
-ok ($x,'1200');
-ok ($x->{_a},2);
-
-# bround(-n) is undocumented and only used by MBF
-# bround(-n) should set _a
-$x = $mbi->new(12345);
-$x->bround(-1);
-ok ($x,'12300');
-ok ($x->{_a},4);
-
-# bround(-n) should set _a
-$x = $mbi->new(12345);
-$x->bround(-2);
-ok ($x,'12000');
-ok ($x->{_a},3);
-
-# bround(-n) should set _a
-$x = $mbi->new(12345); $x->{_a} = 5;
-$x->bround(-3);
-ok ($x,'10000');
-ok ($x->{_a},2);
-
-# bround(-n) should set _a
-$x = $mbi->new(12345); $x->{_a} = 5;
-$x->bround(-4);
-ok ($x,'0');
-ok ($x->{_a},1);
-
-# bround(-n) should be noop if n too big
-$x = $mbi->new(12345);
-$x->bround(-5);
-ok ($x,'0'); # scale to "big" => 0
-ok ($x->{_a},0);
-
-# bround(-n) should be noop if n too big
-$x = $mbi->new(54321);
-$x->bround(-5);
-ok ($x,'100000'); # used by MBF to round 0.0054321 at 0.0_6_00000
-ok ($x->{_a},0);
-
-# bround(-n) should be noop if n too big
-$x = $mbi->new(54321); $x->{_a} = 5;
-$x->bround(-6);
-ok ($x,'100000'); # no-op
-ok ($x->{_a},0);
-
-# bround(n) should set _a
-$x = $mbi->new(12345); $x->{_a} = 5;
-$x->bround(5); # must be no-op
-ok ($x,'12345');
-ok ($x->{_a},5);
-
-# bround(n) should set _a
-$x = $mbi->new(12345); $x->{_a} = 5;
-$x->bround(6); # must be no-op
-ok ($x,'12345');
-
-$x = $mbf->new('0.0061'); $x->bfround(-2); ok ($x,'0.01');
-$x = $mbf->new('0.004'); $x->bfround(-2); ok ($x,'0.00');
-$x = $mbf->new('0.005'); $x->bfround(-2); ok ($x,'0.00');
-
-$x = $mbf->new('12345'); $x->bfround(2); ok ($x,'12340');
-$x = $mbf->new('12340'); $x->bfround(2); ok ($x,'12340');
-
-# MBI::bfround should clear A for negative P
-$x = $mbi->new('1234'); $x->accuracy(3); $x->bfround(-2);
-ok_undef ($x->{_a});
-
-# test that bfround() and bround() work with large numbers
-
-$x = $mbf->new(1)->bdiv(5678,undef,-63);
-ok ($x, '0.000176118351532229658330398027474462839027826699542092286016203');
-
-$x = $mbf->new(1)->bdiv(5678,undef,-90);
-ok ($x, '0.000176118351532229658330398027474462839027826699542092286016202888340965128566396618527651');
-
-$x = $mbf->new(1)->bdiv(5678,80);
-ok ($x, '0.00017611835153222965833039802747446283902782669954209228601620288834096512856639662');
-
-###############################################################################
-# rounding with already set precision/accuracy
-
-$x = $mbf->new(1); $x->{_p} = -5;
-ok ($x,'1.00000');
-
-# further rounding donw
-ok ($x->bfround(-2),'1.00');
-ok ($x->{_p},-2);
-
-$x = $mbf->new(12345); $x->{_a} = 5;
-ok ($x->bround(2),'12000');
-ok ($x->{_a},2);
-
-$x = $mbf->new('1.2345'); $x->{_a} = 5;
-ok ($x->bround(2),'1.2');
-ok ($x->{_a},2);
-
-# mantissa/exponent format and A/P
-$x = $mbf->new('12345.678'); $x->accuracy(4);
-ok ($x,'12350'); ok ($x->{_a},4); ok_undef ($x->{_p});
-
-#ok_undef ($x->{_m}->{_a}); ok_undef ($x->{_e}->{_a});
-#ok_undef ($x->{_m}->{_p}); ok_undef ($x->{_e}->{_p});
-
-# check for no A/P in case of fallback
-# result
-$x = $mbf->new(100) / 3;
-ok_undef ($x->{_a}); ok_undef ($x->{_p});
-
-# result & reminder
-$x = $mbf->new(100) / 3; ($x,$y) = $x->bdiv(3);
-ok_undef ($x->{_a}); ok_undef ($x->{_p});
-ok_undef ($y->{_a}); ok_undef ($y->{_p});
-
-###############################################################################
-# math with two numbers with differen A and P
-
-$x = $mbf->new(12345); $x->accuracy(4); # '12340'
-$y = $mbf->new(12345); $y->accuracy(2); # '12000'
-ok ($x+$y,24000); # 12340+12000=> 24340 => 24000
-
-$x = $mbf->new(54321); $x->accuracy(4); # '12340'
-$y = $mbf->new(12345); $y->accuracy(3); # '12000'
-ok ($x-$y,42000); # 54320+12300=> 42020 => 42000
-
-$x = $mbf->new('1.2345'); $x->precision(-2); # '1.23'
-$y = $mbf->new('1.2345'); $y->precision(-4); # '1.2345'
-ok ($x+$y,'2.46'); # 1.2345+1.2300=> 2.4645 => 2.46
-
-###############################################################################
-# round should find and use proper class
-
-#$x = Foo->new();
-#ok ($x->round($Foo::accuracy),'a' x $Foo::accuracy);
-#ok ($x->round(undef,$Foo::precision),'p' x $Foo::precision);
-#ok ($x->bfround($Foo::precision),'p' x $Foo::precision);
-#ok ($x->bround($Foo::accuracy),'a' x $Foo::accuracy);
-
-###############################################################################
-# find out whether _find_round_parameters is doing what's it's supposed to do
-
-{
- no strict 'refs';
- ${"$mbi\::accuracy"} = undef;
- ${"$mbi\::precision"} = undef;
- ${"$mbi\::div_scale"} = 40;
- ${"$mbi\::round_mode"} = 'odd';
-}
-
-$x = $mbi->new(123);
-my @params = $x->_find_round_parameters();
-ok (scalar @params,1); # nothing to round
-
-@params = $x->_find_round_parameters(1);
-ok (scalar @params,4); # a=1
-ok ($params[0],$x); # self
-ok ($params[1],1); # a
-ok_undef ($params[2]); # p
-ok ($params[3],'odd'); # round_mode
-
-@params = $x->_find_round_parameters(undef,2);
-ok (scalar @params,4); # p=2
-ok ($params[0],$x); # self
-ok_undef ($params[1]); # a
-ok ($params[2],2); # p
-ok ($params[3],'odd'); # round_mode
-
-eval { @params = $x->_find_round_parameters(undef,2,'foo'); };
-ok ($@ =~ /^Unknown round mode 'foo'/,1);
-
-@params = $x->_find_round_parameters(undef,2,'+inf');
-ok (scalar @params,4); # p=2
-ok ($params[0],$x); # self
-ok_undef ($params[1]); # a
-ok ($params[2],2); # p
-ok ($params[3],'+inf'); # round_mode
-
-@params = $x->_find_round_parameters(2,-2,'+inf');
-ok (scalar @params,1); # error, A and P defined
-ok ($params[0],$x); # self
-
-{
- no strict 'refs';
- ${"$mbi\::accuracy"} = 1;
- @params = $x->_find_round_parameters(undef,-2);
- ok (scalar @params,1); # error, A and P defined
- ok ($params[0],$x); # self
- ok ($x->is_nan(),1); # and must be NaN
-
- ${"$mbi\::accuracy"} = undef;
- ${"$mbi\::precision"} = 1;
- @params = $x->_find_round_parameters(1,undef);
- ok (scalar @params,1); # error, A and P defined
- ok ($params[0],$x); # self
- ok ($x->is_nan(),1); # and must be NaN
-
- ${"$mbi\::precision"} = undef; # reset
-}
-
-###############################################################################
-# test whether bone/bzero take additional A & P, or reset it etc
-
-foreach my $c ($mbi,$mbf)
- {
- $x = $c->new(2)->bzero(); ok_undef ($x->{_a}); ok_undef ($x->{_p});
- $x = $c->new(2)->bone(); ok_undef ($x->{_a}); ok_undef ($x->{_p});
- $x = $c->new(2)->binf(); ok_undef ($x->{_a}); ok_undef ($x->{_p});
- $x = $c->new(2)->bnan(); ok_undef ($x->{_a}); ok_undef ($x->{_p});
-
- $x = $c->new(2); $x->{_a} = 1; $x->{_p} = 2; $x->bnan();
- ok_undef ($x->{_a}); ok_undef ($x->{_p});
- $x = $c->new(2); $x->{_a} = 1; $x->{_p} = 2; $x->binf();
- ok_undef ($x->{_a}); ok_undef ($x->{_p});
-
- $x = $c->new(2,1); ok ($x->{_a},1); ok_undef ($x->{_p});
- $x = $c->new(2,undef,1); ok_undef ($x->{_a}); ok ($x->{_p},1);
-
- $x = $c->new(2,1)->bzero(); ok ($x->{_a},1); ok_undef ($x->{_p});
- $x = $c->new(2,undef,1)->bzero(); ok_undef ($x->{_a}); ok ($x->{_p},1);
-
- $x = $c->new(2,1)->bone(); ok ($x->{_a},1); ok_undef ($x->{_p});
- $x = $c->new(2,undef,1)->bone(); ok_undef ($x->{_a}); ok ($x->{_p},1);
-
- $x = $c->new(2); $x->bone('+',2,undef); ok ($x->{_a},2); ok_undef ($x->{_p});
- $x = $c->new(2); $x->bone('+',undef,2); ok_undef ($x->{_a}); ok ($x->{_p},2);
- $x = $c->new(2); $x->bone('-',2,undef); ok ($x->{_a},2); ok_undef ($x->{_p});
- $x = $c->new(2); $x->bone('-',undef,2); ok_undef ($x->{_a}); ok ($x->{_p},2);
-
- $x = $c->new(2); $x->bzero(2,undef); ok ($x->{_a},2); ok_undef ($x->{_p});
- $x = $c->new(2); $x->bzero(undef,2); ok_undef ($x->{_a}); ok ($x->{_p},2);
- }
-
-###############################################################################
-# test whether bone/bzero honour globals
-
-for my $c ($mbi,$mbf)
- {
- $c->accuracy(2);
- $x = $c->bone(); ok ($x->accuracy(),2);
- $x = $c->bzero(); ok ($x->accuracy(),2);
- $c->accuracy(undef);
-
- $c->precision(-2);
- $x = $c->bone(); ok ($x->precision(),-2);
- $x = $c->bzero(); ok ($x->precision(),-2);
- $c->precision(undef);
- }
-
-###############################################################################
-# check whether mixing A and P creates a NaN
-
-# new with set accuracy/precision and with parameters
-{
- no strict 'refs';
- foreach my $c ($mbi,$mbf)
- {
- ok ($c->new(123,4,-3),'NaN'); # with parameters
- ${"$c\::accuracy"} = 42;
- ${"$c\::precision"} = 2;
- ok ($c->new(123),'NaN'); # with globals
- ${"$c\::accuracy"} = undef;
- ${"$c\::precision"} = undef;
- }
-}
-
-# binary ops
-foreach my $class ($mbi,$mbf)
- {
- foreach (qw/add sub mul pow mod/)
- #foreach (qw/add sub mul div pow mod/)
- {
- my $try = "my \$x = $class->new(1234); \$x->accuracy(5); ";
- $try .= "my \$y = $class->new(12); \$y->precision(-3); ";
- $try .= "\$x->b$_(\$y);";
- $rc = eval $try;
- print "# Tried: '$try'\n" if !ok ($rc, 'NaN');
- }
- }
-
-# unary ops
-foreach (qw/new bsqrt/)
- {
- my $try = 'my $x = $mbi->$_(1234,5,-3); ';
- $rc = eval $try;
- print "# Tried: '$try'\n" if !ok ($rc, 'NaN');
- }
-
-# see if $x->bsub(0) and $x->badd(0) really round
-foreach my $class ($mbi,$mbf)
- {
- $x = $class->new(123); $class->accuracy(2); $x->bsub(0);
- ok ($x,120);
- $class->accuracy(undef);
- $x = $class->new(123); $class->accuracy(2); $x->badd(0);
- ok ($x,120);
- $class->accuracy(undef);
- }
-
-###############################################################################
-# test whether shortcuts returning zero/one preserve A and P
-
-my ($ans1,$f,$a,$p,$xp,$yp,$xa,$ya,$try,$ans,@args);
-my $CALC = Math::BigInt->config()->{lib};
-while (<DATA>)
- {
- $_ =~ s/[\n\r]//g; # remove newlines
- next if /^\s*(#|$)/; # skip comments and empty lines
- if (s/^&//)
- {
- $f = $_; next; # function
- }
- @args = split(/:/,$_,99);
- my $ans = pop(@args);
-
- ($x,$xa,$xp) = split (/,/,$args[0]);
- $xa = $xa || ''; $xp = $xp || '';
- $try = "\$x = $mbi->new('$x'); ";
- $try .= "\$x->accuracy($xa); " if $xa ne '';
- $try .= "\$x->precision($xp); " if $xp ne '';
-
- ($y,$ya,$yp) = split (/,/,$args[1]);
- $ya = $ya || ''; $yp = $yp || '';
- $try .= "\$y = $mbi->new('$y'); ";
- $try .= "\$y->accuracy($ya); " if $ya ne '';
- $try .= "\$y->precision($yp); " if $yp ne '';
-
- $try .= "\$x->$f(\$y);";
-
- # print "trying $try\n";
- $rc = eval $try;
- # convert hex/binary targets to decimal
- if ($ans =~ /^(0x0x|0b0b)/)
- {
- $ans =~ s/^0[xb]//;
- $ans = $mbi->new($ans)->bstr();
- }
- print "# Tried: '$try'\n" if !ok ($rc, $ans);
- # check internal state of number objects
- is_valid($rc,$f) if ref $rc;
-
- # now check whether A and P are set correctly
- # only one of $a or $p will be set (no crossing here)
- $a = $xa || $ya; $p = $xp || $yp;
-
- # print "Check a=$a p=$p\n";
- # print "# Tried: '$try'\n";
- if ($a ne '')
- {
- if (!(ok ($x->{_a}, $a) && ok_undef ($x->{_p})))
- {
- print "# Check: A=$a and P=undef\n";
- print "# Tried: '$try'\n";
- }
- }
- if ($p ne '')
- {
- if (!(ok ($x->{_p}, $p) && ok_undef ($x->{_a})))
- {
- print "# Check: A=undef and P=$p\n";
- print "# Tried: '$try'\n";
- }
- }
- }
-
-# all done
-1;
-
-###############################################################################
-###############################################################################
-# Perl 5.005 does not like ok ($x,undef)
-
-sub ok_undef
- {
- my $x = shift;
-
- ok (1,1) and return 1 if !defined $x;
- ok ($x,'undef');
- print "# Called from ",join(' ',caller()),"\n";
- return 0;
- }
-
-###############################################################################
-# sub to check validity of a BigInt internally, to ensure that no op leaves a
-# number object in an invalid state (f.i. "-0")
-
-sub is_valid
- {
- my ($x,$f) = @_;
-
- my $e = 0; # error?
- # ok as reference?
- $e = 'Not a reference' if !ref($x);
-
- # has ok sign?
- $e = "Illegal sign $x->{sign} (expected: '+', '-', '-inf', '+inf' or 'NaN'"
- if $e eq '0' && $x->{sign} !~ /^(\+|-|\+inf|-inf|NaN)$/;
-
- $e = "-0 is invalid!" if $e ne '0' && $x->{sign} eq '-' && $x == 0;
- $e = $CALC->_check($x->{value}) if $e eq '0';
-
- # test done, see if error did crop up
- ok (1,1), return if ($e eq '0');
-
- ok (1,$e." after op '$f'");
- }
-
-# format is:
-# x,A,P:x,A,P:result
-# 123,,3 means 123 with precision 3 (A is undef)
-# the A or P of the result is calculated automatically
-__DATA__
-&badd
-123,,:123,,:246
-123,3,:0,,:123
-123,,-3:0,,:123
-123,,:0,3,:123
-123,,:0,,-3:123
-&bmul
-123,,:1,,:123
-123,3,:0,,:0
-123,,-3:0,,:0
-123,,:0,3,:0
-123,,:0,,-3:0
-123,3,:1,,:123
-123,,-3:1,,:123
-123,,:1,3,:123
-123,,:1,,-3:123
-1,3,:123,,:123
-1,,-3:123,,:123
-1,,:123,3,:123
-1,,:123,,-3:123
-&bdiv
-123,,:1,,:123
-123,4,:1,,:123
-123,,:1,4,:123
-123,,:1,,-4:123
-123,,-4:1,,:123
-1,4,:123,,:0
-1,,:123,4,:0
-1,,:123,,-4:0
-1,,-4:123,,:0
-&band
-1,,:3,,:1
-1234,1,:0,,:0
-1234,,:0,1,:0
-1234,,-1:0,,:0
-1234,,:0,,-1:0
-0xFF,,:0x10,,:0x0x10
-0xFF,2,:0xFF,,:250
-0xFF,,:0xFF,2,:250
-0xFF,,1:0xFF,,:250
-0xFF,,:0xFF,,1:250
-&bxor
-1,,:3,,:2
-1234,1,:0,,:1000
-1234,,:0,1,:1000
-1234,,3:0,,:1000
-1234,,:0,,3:1000
-0xFF,,:0x10,,:239
-# 250 ^ 255 => 5
-0xFF,2,:0xFF,,:5
-0xFF,,:0xFF,2,:5
-0xFF,,1:0xFF,,:5
-0xFF,,:0xFF,,1:5
-# 250 ^ 4095 = 3845 => 3800
-0xFF,2,:0xFFF,,:3800
-# 255 ^ 4100 = 4347 => 4300
-0xFF,,:0xFFF,2,:4300
-0xFF,,2:0xFFF,,:3800
-# 255 ^ 4100 = 10fb => 4347 => 4300
-0xFF,,:0xFFF,,2:4300
-&bior
-1,,:3,,:3
-1234,1,:0,,:1000
-1234,,:0,1,:1000
-1234,,3:0,,:1000
-1234,,:0,,3:1000
-0xFF,,:0x10,,:0x0xFF
-# FF | FA = FF => 250
-250,2,:0xFF,,:250
-0xFF,,:250,2,:250
-0xFF,,1:0xFF,,:250
-0xFF,,:0xFF,,1:250
-&bpow
-2,,:3,,:8
-2,,:0,,:1
-2,2,:0,,:1
-2,,:0,2,:1
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