NaN results from the CPAN

perl
# fit into your memory (just think of 1e123456789012345678901234567890 + 1!)
# anyway. We don't test everything here, but let's make sure it just basically
# works.

my $monster = '1e1234567890123456789012345678901234567890';

# new and exponent
is($CLASS->new($monster)->bsstr(),
   '1e+1234567890123456789012345678901234567890',
   qq|$CLASS->new("$monster")->bsstr()|);
is($CLASS->new($monster)->exponent(),
   '1234567890123456789012345678901234567890',
   qq|$CLASS->new("$monster")->exponent()|);

# cmp
is($CLASS->new($monster) > 0, 1, qq|$CLASS->new("$monster") > 0|);

# sub/mul
is($CLASS->new($monster)->bsub($monster), 0,
  qq|$CLASS->new("$monster")->bsub("$monster")|);
is($CLASS->new($monster)->bmul(2)->bsstr(),
   '2e+1234567890123456789012345678901234567890',
   qq|$CLASS->new("$monster")->bmul(2)->bsstr()|);

# mantissa
$monster = '1234567890123456789012345678901234567890e2';
is($CLASS->new($monster)->mantissa(),
   '123456789012345678901234567890123456789',
   qq|$CLASS->new("$monster")->mantissa()|);

###############################################################################
# zero, inf, one, nan

$x = $CLASS->new(2);
$x->bzero();
is($x->{_a}, undef, qq|\$x = $CLASS->new(2); \$x->bzero(); \$x->{_a}|);
is($x->{_p}, undef, qq|\$x = $CLASS->new(2); \$x->bzero(); \$x->{_p}|);

$x = $CLASS->new(2);
$x->binf();
is($x->{_a}, undef, qq|\$x = $CLASS->new(2); \$x->binf(); \$x->{_a}|);
is($x->{_p}, undef, qq|\$x = $CLASS->new(2); \$x->binf(); \$x->{_p}|);

$x = $CLASS->new(2);
$x->bone();
is($x->{_a}, undef, qq|\$x = $CLASS->new(2); \$x->bone(); \$x->{_a}|);
is($x->{_p}, undef, qq|\$x = $CLASS->new(2); \$x->bone(); \$x->{_p}|);

$x = $CLASS->new(2);
$x->bnan();
is($x->{_a}, undef, qq|\$x = $CLASS->new(2); \$x->bnan(); \$x->{_a}|);
is($x->{_p}, undef, qq|\$x = $CLASS->new(2); \$x->bnan(); \$x->{_p}|);

###############################################################################
# bone/binf etc as plain calls (Lite failed them)

is($CLASS->bzero(),      0,      qq|$CLASS->bzero()|);
is($CLASS->bone(),       1,      qq|$CLASS->bone()|);
is($CLASS->bone("+"),    1,      qq|$CLASS->bone("+")|);
is($CLASS->bone("-"),    -1,     qq|$CLASS->bone("-")|);
is($CLASS->bnan(),       "NaN",  qq|$CLASS->bnan()|);
is($CLASS->binf(),       "inf",  qq|$CLASS->binf()|);
is($CLASS->binf("+"),    "inf",  qq|$CLASS->binf("+")|);
is($CLASS->binf("-"),    "-inf", qq|$CLASS->binf("-")|);
is($CLASS->binf("-inf"), "-inf", qq|$CLASS->binf("-inf")|);

$CLASS->accuracy(undef);        # reset
$CLASS->precision(undef);       # reset

###############################################################################
# bsqrt() with set global A/P or A/P enabled on $x, also a test whether bsqrt()
# correctly modifies $x

$x = $CLASS->new(12);
$CLASS->precision(-2);
$x->bsqrt();
is($x, '3.46',
   qq|\$x = $CLASS->new(12); $CLASS->precision(-2); \$x->bsqrt();|);

$CLASS->precision(undef);
$x = $CLASS->new(12);
$CLASS->precision(0);
$x->bsqrt();
is($x, '3',
   qq|$CLASS->precision(undef); \$x = $CLASS->new(12);| .
   qq| $CLASS->precision(0); \$x->bsqrt();|);

$CLASS->precision(-3);
$x = $CLASS->new(12);
$x->bsqrt();
is($x, '3.464',
   qq|$CLASS->precision(-3); \$x = $CLASS->new(12); \$x->bsqrt();|);

{
    no strict 'refs';
    # A and P set => NaN
    ${${CLASS}.'::accuracy'} = 4;
    $x = $CLASS->new(12);
    $x->bsqrt(3);
    is($x, 'NaN', "A and P set => NaN");

    # supplied arg overrides set global
    $CLASS->precision(undef);
    $x = $CLASS->new(12);
    $x->bsqrt(3);
    is($x, '3.46', "supplied arg overrides set global");

    # reset for further tests
    $CLASS->accuracy(undef);
    $CLASS->precision(undef);
}

#############################################################################
# can we call objectify (broken until v1.52)

{
    no strict;
    $try = '@args'
         . " = $CLASS"
         . "::objectify(2, $CLASS, 4, 5);"
         . ' join(" ", @args);';
    $want = eval $try;
    is($want, "$CLASS 4 5", $try);
}

#############################################################################
# is_one('-') (broken until v1.64)

is($CLASS->new(-1)->is_one(),    0, qq|$CLASS->new(-1)->is_one()|);
is($CLASS->new(-1)->is_one("-"), 1, qq|$CLASS->new(-1)->is_one("-")|);

#############################################################################
# bug 1/0.5 leaving 2e-0 instead of 2e0

is($CLASS->new(1)->bdiv("0.5")->bsstr(), "2e+0",
   qq|$CLASS->new(1)->bdiv("0.5")->bsstr()|);

###############################################################################
# [perl #30609] bug with $x -= $x not being 0, but 2*$x

$x = $CLASS->new(3);
$x -= $x;
is($x, 0, qq|\$x = $CLASS->new(3); \$x -= \$x;|);

$x = $CLASS->new(-3);
$x -= $x;
is($x, 0, qq|\$x = $CLASS->new(-3); \$x -= \$x;|);

$x = $CLASS->new(3);
$x += $x;
is($x, 6, qq|\$x = $CLASS->new(3); \$x += \$x;|);

$x = $CLASS->new(-3);
$x += $x;
is($x, -6, qq|\$x = $CLASS->new(-3); \$x += \$x;|);

$x = $CLASS->new("NaN");
$x -= $x;
is($x->is_nan(), 1, qq|\$x = $CLASS->new("NaN"); \$x -= \$x;|);

$x = $CLASS->new("inf");
$x -= $x;
is($x->is_nan(), 1, qq|\$x = $CLASS->new("inf"); \$x -= \$x;|);

$x = $CLASS->new("-inf");
$x -= $x;
is($x->is_nan(), 1, qq|\$x = $CLASS->new("-inf"); \$x -= \$x;|);

$x = $CLASS->new("NaN");
$x += $x;
is($x->is_nan(), 1, qq|\$x = $CLASS->new("NaN"); \$x += \$x;|);

$x = $CLASS->new("inf");
$x += $x;
is($x->is_inf(), 1, qq|\$x = $CLASS->new("inf"); \$x += \$x;|);

$x = $CLASS->new("-inf");
$x += $x;
is($x->is_inf("-"), 1, qq|\$x = $CLASS->new("-inf"); \$x += \$x;|);

$x = $CLASS->new("3.14");
$x -= $x;
is($x, 0, qq|\$x = $CLASS->new("3.14"); \$x -= \$x;|);

$x = $CLASS->new("-3.14");
$x -= $x;
is($x, 0, qq|\$x = $CLASS->new("-3.14"); \$x -= \$x;|);

$x = $CLASS->new("3.14");
$x += $x;
is($x, "6.28", qq|$x = $CLASS->new("3.14"); $x += $x;|);

$x = $CLASS->new("-3.14");
$x += $x;
is($x, "-6.28", qq|$x = $CLASS->new("-3.14"); $x += $x;|);

$x = $CLASS->new("3.14");
$x *= $x;
is($x, "9.8596", qq|$x = $CLASS->new("3.14"); $x *= $x;|);

$x = $CLASS->new("-3.14");
$x *= $x;
is($x, "9.8596", qq|$x = $CLASS->new("-3.14"); $x *= $x;|);

$x = $CLASS->new("3.14");
$x /= $x;
is($x, "1", qq|$x = $CLASS->new("3.14"); $x /= $x;|);

$x = $CLASS->new("-3.14");
$x /= $x;
is($x, "1", qq|$x = $CLASS->new("-3.14"); $x /= $x;|);

$x = $CLASS->new("3.14");
$x %= $x;
is($x, "0", qq|$x = $CLASS->new("3.14"); $x %= $x;|);

$x = $CLASS->new("-3.14");
$x %= $x;
is($x, "0", qq|$x = $CLASS->new("-3.14"); $x %= $x;|);

###############################################################################
# the following two were reported by "kenny" via hotmail.com:

#perl -MMath::BigFloat -wle 'print Math::BigFloat->new(0)->bpow(".1")'
#Use of uninitialized value in numeric le (<=) at BigFloat.pm line 1851.

$x = $CLASS->new(0);
$y = $CLASS->new("0.1");
is($x ** $y, 0,
   qq|\$x = $CLASS->new(0); \$y = $CLASS->new("0.1"); \$x ** \$y|);

#perl -MMath::BigFloat -lwe 'print Math::BigFloat->new(".222222222222222222222222222222222222222222")->bceil()'
#Use of uninitialized value in numeric le (<=) at BigFloat.pm line 1851.

$x = $CLASS->new(".222222222222222222222222222222222222222222");
is($x->bceil(), 1,
   qq|$x = $CLASS->new(".222222222222222222222222222222222222222222");| .
   qq| $x->bceil();|);

###############################################################################
# test **=, <<=, >>=

# ((2**148)+1)/17
$x = $CLASS->new(2);
$x **= 148;
$x++;
$x->bdiv(17, 60)->bfloor();
$x->accuracy(undef);
is($x, "20988936657440586486151264256610222593863921",
   "value of ((2**148)+1)/17");
is($x->length(), length("20988936657440586486151264256610222593863921"),
   "number of digits in ((2**148)+1)/17");

$x = $CLASS->new("2");
$y = $CLASS->new("18");
is($x <<= $y, 2 << 18,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18");|
   . q| $x <<= $y|);
is($x, 2 << 18,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18");|
   . q| $x <<= $y; $x|);
is($x >>= $y, 2,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18");|
   . q| $x <<= $y; $x >>= $y|);
is($x, 2,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18");|
   . q| $x <<= $y; $x >>= $y; $x|);

$x = $CLASS->new("2");
$y = $CLASS->new("18.2");

# 2 * (2 ** int(18.2));
$x <<= $y;
is($x->copy()->bfround(-9), "602248.763144685",
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18.2");| .
   q| $x <<= $y; $x->copy()->bfround(-9);|);

# 2 * (2 ** 18.2) / (2 ** 18.2) => 2
is($x >>= $y, 2,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18.2");| .
   q| $x <<= $y; $x->copy()->bfround(-9); $x >>= $y|);
is($x, 2,
   qq|\$x = $CLASS->new("2"); \$y = $CLASS->new("18.2");| .
   q| $x <<= $y; $x->copy()->bfround(-9); $x >>= $y; $x|);

__DATA__

&bgcd
inf:12:NaN
-inf:12:NaN
12:inf:NaN
12:-inf:NaN
inf:inf:NaN
inf:-inf:NaN
-inf:-inf:NaN
abc:abc:NaN
abc:+0:NaN
+0:abc:NaN
+0:+0:0
+0:+1:1
+1:+0:1
+1:+1:1
+2:+3:1
+3:+2:1
-3:+2:1
-3:-2:1
-144:-60:12
144:-60:12
144:60:12
100:625:25
4096:81:1
1034:804:2
27:90:56:1
27:90:54:9

&blcm
abc:abc:NaN
abc:+0:NaN
+0:abc:NaN
+0:+0:NaN
+1:+0:0
+0:+1:0
+27:+90:270
+1034:+804:415668
$div_scale = 40

&bcos
NaN:10:NaN
+inf:10:NaN
-inf:10:NaN
1.2:10:0.3623577545
2.4:12:-0.737393715541
0:10:1.000000000
0:20:1.0000000000000000000
1:10:0.5403023059
1:12:0.540302305868

&bsin
NaN:10:NaN
+inf:10:NaN
-inf:10:NaN
1:10:0.8414709848
0:10:0
0:20:0
2.1:12:0.863209366649
1.2:13:0.9320390859672
0.2:13:0.1986693307951
3.2:12:-0.0583741434276

&batan
NaN:10:NaN
inf:14:1.5707963267949
-inf:14:-1.5707963267949
0:14:0
0:10:0
0.1:14:0.099668652491162
0.2:13:0.1973955598499
0.2:14:0.19739555984988
0.5:14:0.46364760900081
1:14:0.78539816339744
-1:14:-0.78539816339744
1.5:14:0.98279372324732
2.0:14:1.1071487177941
2.5:14:1.1902899496825
3.0:14:1.2490457723982
6.0:14:1.4056476493803
12:14:1.4876550949064
24:14:1.5291537476963
48:14:1.5499660067587

&batan2

NaN:1:10:NaN
NaN:NaN:10:NaN
1:NaN:10:NaN

-inf:-inf:14:-2.3561944901923
-inf:-1:14:-1.5707963267949
-inf:0:14:-1.5707963267949
-inf:+1:14:-1.5707963267949
-inf:+inf:14:-0.78539816339745

-1:-inf:14:-3.1415926535898
-1:-1:14:-2.3561944901923
-1:0:14:-1.5707963267949
-1:+1:14:-0.78539816339745
-1:+inf:14:0

0:-inf:14:3.1415926535898
0:-1:14:3.1415926535898
0:0:14:0
0:+1:14:0
0:+inf:14:0

+1:-inf:14:3.1415926535898
+1:-1:14:2.3561944901923
+1:0:14:1.5707963267949
+1:+1:14:0.78539816339745
+1:+inf:14:0

+inf:-inf:14:2.3561944901923
+inf:-1:14:1.5707963267949
+inf:0:14:1.5707963267949
+inf:+1:14:1.5707963267949
+inf:+inf:14:0.78539816339745

1:5:13:0.1973955598499
1:5:14:0.19739555984988
0:2:14:0
5:0:14:1.5707963267949
-1:0:11:-1.5707963268
-2:0:77:-1.5707963267948966192313216916397514420985846996875529104874722961539082031431
2:0:77:1.5707963267948966192313216916397514420985846996875529104874722961539082031431
-1:5:14:-0.19739555984988
1:5:14:0.19739555984988
-1:8:14:-0.12435499454676
1:8:14:0.12435499454676
# test an argument X > 1 and one X < 1
1:2:24:0.463647609000806116214256
2:1:14:1.1071487177941
-2:1:14:-1.1071487177941

&bpi
150:3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223172535940813
77:3.1415926535897932384626433832795028841971693993751058209749445923078164062862
+0:3.141592653589793238462643383279502884197
11:3.1415926536

&bnok
+inf:10:inf
NaN:NaN:NaN
NaN:1:NaN
1:NaN:NaN
1:1:1
# k > n
1:2:0
2:3:0
# k < 0
1:-2:0
# 7 over 3 = 35
7:3:35
7:6:7
100:90:17310309456440
100:95:75287520
2:0:1
7:0:1
2:1:2

&blog
0::-inf
-1::NaN
-2::NaN
# base > 0, base != 1
2:-1:NaN
2:0:0
2:1:NaN
# log(1)
1::0
1:1:NaN
1:2:0
2::0.6931471805599453094172321214581765680755
2.718281828::0.9999999998311266953289851340574956564911
$div_scale = 20
2.718281828::0.99999999983112669533
$div_scale = 15
123::4.81218435537242
10::2.30258509299405
1000::6.90775527898214
100::4.60517018598809
2::0.693147180559945
3.1415::1.14470039286086
12345::9.42100640177928
0.001::-6.90775527898214
# bug until v1.71:
10:10:1
100:100:1
# reset for further tests
$div_scale = 40
1::0

&brsft
invalid:2:NaN
0:2:0
1:1:0.5
2:1:1
4:1:2
123:1:61.5
32:3:4

&blsft
invalid:0:NaN
2:1:4
4:3:32
5:3:40
1:2:4
0:5:0

&bnorm
1:1
-0:0
invalid:NaN
+inf:inf
-inf:-inf
123:123
-123.4567:-123.4567
# invalid inputs
.2E-3.:NaN
1e3e4:NaN
# strange, but valid
.2E2:20
1.E3:1000
# some inputs that result in zero
0e0:0
+0e0:0
+0e+0:0
-0e+0:0
0e-0:0
-0e-0:0
+0e-0:0
000:0
00e2:0
00e02:0
000e002:0
000e1230:0
00e-3:0
00e+3:0
00e-03:0
00e+03:0
-000:0
-00e2:0
-00e02:0
-000e002:0
-000e1230:0
-00e-3:0
-00e+3:0
-00e-03:0
-00e+03:0

&as_number
0:0
1:1
1.2:1
2.345:2
-2:-2
-123.456:-123
-200:-200
-inf:-inf
inf:inf
NaN:NaN
71243225429896467497217836789578596379:71243225429896467497217836789578596379
# test for bug in brsft() not handling cases that return 0
0.000641:0
0.0006412:0
0.00064123:0
0.000641234:0
0.0006412345:0
0.00064123456:0
0.000641234567:0
0.0006412345678:0
0.00064123456789:0
0.1:0
0.01:0
0.001:0
0.0001:0
0.00001:0
0.000001:0
0.0000001:0
0.00000001:0
0.000000001:0
0.0000000001:0
0.00000000001:0
0.12345:0
0.123456:0
0.1234567:0
0.12345678:0
0.123456789:0

&binf
1:+:inf
2:-:-inf
3:abc:inf

&as_hex
128:0x80
-128:-0x80
0:0x0
-0:0x0
1:0x1
0x123456789123456789:0x123456789123456789
+inf:inf
-inf:-inf
invalid:NaN

&as_bin
128:0b10000000
-128:-0b10000000
0:0b0
-0:0b0
1:0b1
0b1010111101010101010110110110110110101:0b1010111101010101010110110110110110101
0x123456789123456789:0b100100011010001010110011110001001000100100011010001010110011110001001
+inf:inf
-inf:-inf
invalid:NaN

&as_oct
128:0200
-128:-0200
0:00
-0:00
1:01
0b1010111101010101010110110110110110101:01275252666665
0x123456789123456789:044321263611044321263611
+inf:inf
-inf:-inf
invalid:NaN

&to_hex
128:80
-128:-80
0:0
-0:0
1:1
0x123456789123456789:123456789123456789
+inf:inf
-inf:-inf
invalid:NaN

&to_bin
128:10000000
-128:-10000000
0:0
-0:0
1:1
0b1010111101010101010110110110110110101:1010111101010101010110110110110110101
0x123456789123456789:100100011010001010110011110001001000100100011010001010110011110001001
+inf:inf
-inf:-inf
invalid:NaN

&to_oct
128:200
-128:-200
0:0
-0:0
1:1
0b1010111101010101010110110110110110101:1275252666665
0x123456789123456789:44321263611044321263611
+inf:inf
-inf:-inf
invalid:NaN

&numify
# uses bsstr() so 5 => 5e+0 to be compatible w/ Perls output
0:0
+1:1
1234:1234
-5:-5
100:100
-100:-100

&bnan
abc:NaN
2:NaN
-2:NaN
0:NaN

&bone
2:+:1
-2:-:-1
-2:+:1
2:-:-1
0::1
-2::1
abc::1
2::1

&bsstr
+inf:inf
-inf:-inf
abcfsstr:NaN
-abcfsstr:NaN
1234.567:1234567e-3
123:123e+0
-5:-5e+0
-100:-1e+2

&bstr
+inf:::inf
-inf:::-inf
abcfstr:::NaN
1234.567:9::1234.56700
1234.567::-6:1234.567000
12345:5::12345
0.001234:6::0.00123400
0.001234::-8:0.00123400
0:4::0
0::-4:0.0000

&bnorm
inf:inf
+inf:inf
-inf:-inf
+infinity:inf
+-inf:NaN
abc:NaN
   1 a:NaN
1bcd2:NaN
11111b:NaN
+1z:NaN
-1z:NaN
0e999:0
0e-999:0
-0e999:0
-0e-999:0
0:0
+0:0
+00:0
+0_0_0:0
000000_0000000_00000:0
-0:0
-0000:0
+1:1
+01:1
+001:1
+00000100000:100000
123456789:123456789
-1:-1
-01:-1
-001:-1
-123456789:-123456789
-00000100000:-100000
123.456a:NaN
123.456:123.456
0.01:0.01
.002:0.002
+.2:0.2
-0.0003:-0.0003
-.0000000004:-0.0000000004
123456E2:12345600
123456E-2:1234.56
-123456E2:-12345600
-123456E-2:-1234.56
1e1:10
2e-11:0.00000000002
# exercise _split
  .02e-1:0.002
   000001:1
   -00001:-1
   -1:-1
  000.01:0.01
   -000.0023:-0.0023
  1.1e1:11
-3e111:-3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-4e-1111:-0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

&bpow
#
abc:123.456:NaN
123.456:abc:NaN
#
-inf:-inf:0
-inf:-3:0
-inf:-2:0
-inf:-1.5:0
-inf:-1:0
-inf:-0.5:0
-inf:0:NaN
-inf:0.5:inf    # directed infinity
-inf:1:-inf
-inf:1.5:inf    # directed infinity
-inf:2:inf
-inf:3:-inf
-inf:inf:inf    # complex infinity
-inf:NaN:NaN
#
-3:-inf:0
-3:-3:-0.03703703703703703703703703703703703703704
-3:-2:0.1111111111111111111111111111111111111111
-3:-1.5:NaN
-3:-1:-0.3333333333333333333333333333333333333333
-3:-0.5:NaN
-3:0:1
-3:0.5:NaN
-3:1:-3
-3:1.5:NaN
-3:2:9
-3:3:-27
-3:inf:inf      # complex infinity
-3:NaN:NaN
#
-2:-inf:0
-2:-3:-0.125
-2:-2:0.25
-2:-1.5:NaN
-2:-1:-0.5
-2:-0.5:NaN
-2:0:1
-2:0.5:NaN
-2:1:-2
-2:1.5:NaN
-2:2:4
-2:3:-8
-2:inf:inf      # complex infinity
-2:NaN:NaN
#
-1.5:-inf:0
-1.5:-3:-0.2962962962962962962962962962962962962963
-1.5:-2:0.4444444444444444444444444444444444444444
-1.5:-1.5:NaN
-1.5:-1:-0.6666666666666666666666666666666666666667
-1.5:-0.5:NaN
-1.5:0:1
-1.5:0.5:NaN
-1.5:1:-1.5
-1.5:1.5:NaN
-1.5:2:2.25
-1.5:3:-3.375
-1.5:inf:inf    # complex infinity
-1.5:NaN:NaN
#
-1:-inf:NaN
-1:-3:-1
-1:-2:1
-1:-1.5:NaN
-1:-1:-1
-1:-0.5:NaN
-1:0:1
-1:0.5:NaN
-1:1:-1
-1:1.5:NaN
-1:2:1
-1:3:-1
-1:inf:NaN
-1:NaN:NaN
#
-0.5:-inf:inf   # complex infinity
-0.5:-3:-8
-0.5:-2:4
-0.5:-1.5:NaN
-0.5:-1:-2
-0.5:-0.5:NaN
-0.5:0:1
-0.5:0.5:NaN
-0.5:1:-0.5
-0.5:1.5:NaN
-0.5:2:0.25
-0.5:3:-0.125
-0.5:inf:0
-0.5:NaN:NaN
#
0:-inf:inf      # complex infinity
0:-3:inf        # complex infinity
0:-2:inf        # complex infinity
0:-1.5:inf      # complex infinity
0:-1:inf        # complex infinity
0:-0.5:inf      # complex infinity
0:0:1
0:0.5:0
0:1:0
0:1.5:0
0:2:0
0:3:0
0:inf:0
0:NaN:NaN
#
0.5:-inf:inf
0.5:-3:8
0.5:-2:4
0.5:-1.5:2.828427124746190097603377448419396157139
0.5:-1:2
0.5:-0.5:1.41421356237309504880168872420969807857
0.5:0:1
0.5:0.5:0.7071067811865475244008443621048490392848
0.5:1:0.5
0.5:1.5:0.3535533905932737622004221810524245196424
0.5:2:0.25
0.5:3:0.125
0.5:inf:0
0.5:NaN:NaN
#
1:-inf:1
1:-3:1
1:-2:1
1:-1.5:1
1:-1:1
1:-0.5:1
1:0:1
1:0.5:1
1:1:1
1:1.5:1
1:2:1
1:3:1
1:inf:1
1:NaN:NaN
#
1.5:-inf:0
1.5:-3:0.2962962962962962962962962962962962962963
1.5:-2:0.4444444444444444444444444444444444444444
1.5:-1.5:0.5443310539518173551549520166013091982147
1.5:-1:0.6666666666666666666666666666666666666667
1.5:-0.5:0.816496580927726032732428024901963797322
1.5:0:1
1.5:0.5:1.224744871391589049098642037352945695983
1.5:1:1.5
1.5:1.5:1.837117307087383573647963056029418543974
1.5:2:2.25
1.5:3:3.375
1.5:inf:inf
1.5:NaN:NaN
#
2:-inf:0
2:-3:0.125
2:-2:0.25
2:-1.5:0.3535533905932737622004221810524245196424
2:-1:0.5
2:-0.5:0.7071067811865475244008443621048490392848
2:0:1
2:0.5:1.41421356237309504880168872420969807857
2:1:2
2:1.5:2.828427124746190097603377448419396157139
2:2:4
2:3:8
2:inf:inf
2:NaN:NaN
#
3:-inf:0
3:-3:0.03703703703703703703703703703703703703704
3:-2:0.1111111111111111111111111111111111111111
3:-1.5:0.1924500897298752548363829268339858185492
3:-1:0.3333333333333333333333333333333333333333
3:-0.5:0.5773502691896257645091487805019574556476
3:0:1
3:0.5:1.732050807568877293527446341505872366943
3:1:3
3:1.5:5.196152422706631880582339024517617100828
3:2:9
3:3:27
3:inf:inf
3:NaN:NaN
#
inf:-inf:0
inf:-3:0
inf:-2:0
inf:-1.5:0
inf:-1:0
inf:-0.5:0
inf:0:NaN
inf:0.5:inf
inf:1:inf
inf:1.5:inf
inf:2:inf
inf:3:inf
inf:inf:inf
inf:NaN:NaN
#
NaN:-inf:NaN
NaN:-3:NaN
NaN:-2:NaN
NaN:-1.5:NaN
NaN:-1:NaN
NaN:-0.5:NaN
NaN:0:NaN
NaN:0.5:NaN
NaN:1:NaN
NaN:1.5:NaN
NaN:2:NaN
NaN:3:NaN
NaN:inf:NaN
NaN:NaN:NaN
#
123.456:2:15241.383936
128:-2:0.00006103515625
#
+inf:123.45:inf
-inf:123.45:inf     # directed infinity
+inf:-123.45:0
-inf:-123.45:0
#2:0.2:1.148698354997035006798626946777927589444
#6:1.5:14.6969384566990685891837044482353483518
$div_scale = 20
#62.5:12.5:26447206647554886213592.3959144
$div_scale = 40

&bneg
invalid:NaN
+inf:-inf
-inf:inf
+0:0
+1:-1
-1:1
+123456789:-123456789
-123456789:123456789
+123.456789:-123.456789
-123456.789:123456.789

&babs
invalid:NaN
+inf:inf
-inf:inf
+0:0
+1:1
-1:1
+123456789:123456789
-123456789:123456789
+123.456789:123.456789
-123456.789:123456.789

&bround
$round_mode = "trunc"
+inf:5:inf
-inf:5:-inf
0:5:0
invalid:5:NaN
+10123456789:5:10123000000
-10123456789:5:-10123000000
+10123456789.123:5:10123000000
-10123456789.123:5:-10123000000
+10123456789:9:10123456700
-10123456789:9:-10123456700
+101234500:6:101234000
-101234500:6:-101234000
$round_mode = "zero"
+20123456789:5:20123000000
-20123456789:5:-20123000000
+20123456789.123:5:20123000000
-20123456789.123:5:-20123000000
+20123456789:9:20123456800
-20123456789:9:-20123456800
+201234500:6:201234000
-201234500:6:-201234000
$round_mode = "+inf"
+30123456789:5:30123000000
-30123456789:5:-30123000000
+30123456789.123:5:30123000000
-30123456789.123:5:-30123000000
+30123456789:9:30123456800
-30123456789:9:-30123456800
+301234500:6:301235000
-301234500:6:-301234000
$round_mode = "-inf"
+40123456789:5:40123000000
-40123456789:5:-40123000000
+40123456789.123:5:40123000000
-40123456789.123:5:-40123000000
+40123456789:9:40123456800
-40123456789:9:-40123456800
+401234500:6:401234000
-401234500:6:-401235000
$round_mode = "odd"
+50123456789:5:50123000000
-50123456789:5:-50123000000
+50123456789.123:5:50123000000
-50123456789.123:5:-50123000000
+50123456789:9:50123456800
-50123456789:9:-50123456800
+501234500:6:501235000
-501234500:6:-501235000
$round_mode = "even"
+60123456789:5:60123000000
-60123456789:5:-60123000000
+60123456789:9:60123456800
-60123456789:9:-60123456800
+601234500:6:601234000
-601234500:6:-601234000
+60123456789.0123:5:60123000000
-60123456789.0123:5:-60123000000
$round_mode = "common"
+60123456789:5:60123000000
-60123456789:5:-60123000000
+60123456789:6:60123500000
-60123456789:6:-60123500000
+60123456789:9:60123456800
-60123456789:9:-60123456800
+601234500:6:601235000
-601234500:6:-601235000
+601234400:6:601234000
-601234400:6:-601234000
+601234600:6:601235000
-601234600:6:-601235000
+601234300:6:601234000
+60123456789.0123:5:60123000000
-60123456789.0123:5:-60123000000

&bfround
$round_mode = "trunc"
+inf:5:inf
-inf:5:-inf
0:5:0
invalid:5:NaN
+1.23:-1:1.2
+1.234:-1:1.2
+1.2345:-1:1.2
+1.23:-2:1.23
+1.234:-2:1.23
+1.2345:-2:1.23
+1.23:-3:1.230
+1.234:-3:1.234
+1.2345:-3:1.234
-1.23:-1:-1.2
+1.27:-1:1.2
-1.27:-1:-1.2
+1.25:-1:1.2
-1.25:-1:-1.2
+1.35:-1:1.3
-1.35:-1:-1.3
-0.0061234567890:-1:0.0
-0.0061:-1:0.0
-0.00612:-1:0.0
-0.00612:-2:0.00
-0.006:-1:0.0
-0.006:-2:0.00
-0.0006:-2:0.00
-0.0006:-3:0.000
-0.0065:-3:/-0\.006|-6e-03
-0.0065:-4:/-0\.006(?:5|49{5}\d+)|-6\.5e-03
-0.0065:-5:/-0\.006(?:5|49{5}\d+)|-6\.5e-03
0.05:0:0
0.5:0:0
0.51:0:0
0.41:0:0
$round_mode = "zero"
+2.23:-1:/2.2(?:0{5}\d+)?
-2.23:-1:/-2.2(?:0{5}\d+)?
+2.27:-1:/2.(?:3|29{5}\d+)
-2.27:-1:/-2.(?:3|29{5}\d+)
+2.25:-1:/2.2(?:0{5}\d+)?
-2.25:-1:/-2.2(?:0{5}\d+)?
+2.35:-1:/2.(?:3|29{5}\d+)
-2.35:-1:/-2.(?:3|29{5}\d+)
-0.0065:-1:0.0
-0.0065:-2:/-0\.01|-1e-02
-0.0065:-3:/-0\.006|-6e-03
-0.0065:-4:/-0\.006(?:5|49{5}\d+)|-6\.5e-03
-0.0065:-5:/-0\.006(?:5|49{5}\d+)|-6\.5e-03
0.05:0:0
0.5:0:0
0.51:0:1
0.41:0:0
$round_mode = "+inf"
+3.23:-1:/3.2(?:0{5}\d+)?
-3.23:-1:/-3.2(?:0{5}\d+)?
+3.27:-1:/3.(?:3|29{5}\d+)
-3.27:-1:/-3.(?:3|29{5}\d+)
+3.25:-1:/3.(?:3|29{5}\d+)
-3.25:-1:/-3.2(?:0{5}\d+)?
+3.35:-1:/3.(?:4|39{5}\d+)
-3.35:-1:/-3.(?:3|29{5}\d+)
-0.0065:-1:0.0
-0.0065:-2:/-0\.01|-1e-02
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